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V M Starling MC, Rodrigues DAS, Miranda GA, Jo S, Amorim CC, Ankley GT, Simcik M. Occurrence and potential ecological risks of PFAS in Pampulha Lake, Brazil, a UNESCO world heritage site. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174586. [PMID: 38997014 DOI: 10.1016/j.scitotenv.2024.174586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/30/2024] [Accepted: 07/05/2024] [Indexed: 07/14/2024]
Abstract
Per- and polyfluoroalkyl substances (PFAS) comprise >4000 synthetic substances used in industrial applications and consumer products. PFAS used daily in households and manufacturing plants end up in domestic sewage, and industrial effluents can be discharged to surface water. Urban watersheds located in low and middle-income countries (LMIC), which lack sanitation infrastructure, are potential recipients of waste containing PFAS. Yet, only a few studies report PFAS occurrence in urban reservoirs and lakes, especially those located in the Global South due to resource limitations. This is the first study aimed to assess PFAS occurrence and ecological risks in Pampulha Lake, Brazil, a site which represents the reality of many other urban watersheds in LMIC as it is surrounded by densely populated areas and manufacturing plants. Surface water samples were collected monthly for 1 year from four sampling points at Pampulha Lake. Sample analysis was based on US Environmental Protection Agency Method 1633, which employs solid phase extraction followed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). Species sensitivity distribution (SSD) curves were built to identify potentially susceptible species based on detected water concentrations. Bioaccumulation was estimated for fish tissue. Short-chain (perfluorobutanesulfonic acid, PFBS and perfluorohexanoic acid, PFHxA) and long-chain PFAS (perfluorodecanoic acid, PFDA; perfluorooctanoic acid, PFOA; perfluorododecanoic acid, PFDoA; and perfluorooctanesulfonic acid, PFOS) were detected at the μg L-1 range. Total PFAS concentrations in the wet season were generally higher than in the dry season, likely due to limited capacity of the treatment plant processing water from tributaries which receive raw sewage. More than 5 % of aquatic species are potentially susceptible to chronic effects of PFOS at detected concentrations (0.2-2.2 μg L-1). Predicted bioaccumulation of PFOS in fish was above advisory diet intake levels for humans. Results emphasize the need for studies related to PFAS occurrence in watersheds located in LMIC.
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Affiliation(s)
- Maria Clara V M Starling
- Universidade Federal de Minas Gerais, Department of Sanitary and Environmental Engineering, Research Group on Environmental Applications of Advanced Oxidation Processes, Av. Presidente Antônio Carlos 6627, Escola de Engenharia, Belo Horizonte 31270-901, MG, Brazil.
| | - Daniel A S Rodrigues
- Universidade Federal de Minas Gerais, Department of Sanitary and Environmental Engineering, Research Group on Environmental Applications of Advanced Oxidation Processes, Av. Presidente Antônio Carlos 6627, Escola de Engenharia, Belo Horizonte 31270-901, MG, Brazil
| | - Gisele A Miranda
- Universidade Federal de Minas Gerais, Department of Sanitary and Environmental Engineering, Research Group on Environmental Applications of Advanced Oxidation Processes, Av. Presidente Antônio Carlos 6627, Escola de Engenharia, Belo Horizonte 31270-901, MG, Brazil
| | - Suna Jo
- University of Minnesota, School of Public Health, 420 Delaware St SE, MMC 807, Minneapolis, MN 55455, USA
| | - Camila C Amorim
- Universidade Federal de Minas Gerais, Department of Sanitary and Environmental Engineering, Research Group on Environmental Applications of Advanced Oxidation Processes, Av. Presidente Antônio Carlos 6627, Escola de Engenharia, Belo Horizonte 31270-901, MG, Brazil
| | - Gerald T Ankley
- US Environmental Protection Agency, Office of Research and Development, Great Lakes Toxicology and Ecology Division, 6201 Congdon Blvd, Duluth, MN 55804, USA
| | - Matt Simcik
- University of Minnesota, School of Public Health, 420 Delaware St SE, MMC 807, Minneapolis, MN 55455, USA
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Machado JT, Kim G. Ecological landscape assessment of restored urban stream to guide adaptive management. Heliyon 2024; 10:e33880. [PMID: 39071587 PMCID: PMC11283097 DOI: 10.1016/j.heliyon.2024.e33880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 05/12/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
Image 1.
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Affiliation(s)
- Jessica Tavares Machado
- Graduate School of Urban Studies, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Gunwoo Kim
- Graduate School of Urban Studies, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
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Sexton AN, Beisel JN, Staentzel C, Wolter C, Tales E, Belliard J, Buijse AD, Martínez Fernández V, Wantzen KM, Jähnig SC, Garcia de Leaniz C, Schmidt-Kloiber A, Haase P, Forio MAE, Archambaud G, Fruget JF, Dohet A, Evtimova V, Csabai Z, Floury M, Goethals P, Várbiró G, Cañedo-Argüelles M, Larrañaga A, Maire A, Schäfer RB, Sinclair JS, Vannevel R, Welti EAR, Jeliazkov A. Inland navigation and land use interact to impact European freshwater biodiversity. Nat Ecol Evol 2024; 8:1098-1108. [PMID: 38773326 DOI: 10.1038/s41559-024-02414-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 04/10/2024] [Indexed: 05/23/2024]
Abstract
Inland navigation in Europe is proposed to increase in the coming years, being promoted as a low-carbon form of transport. However, we currently lack knowledge on how this would impact biodiversity at large scales and interact with existing stressors. Here we addressed this knowledge gap by analysing fish and macroinvertebrate community time series across large European rivers comprising 19,592 observations from 4,049 sampling sites spanning the past 32 years. We found ship traffic to be associated with biodiversity declines, that is, loss of fish and macroinvertebrate taxonomic richness, diversity and trait richness. Ship traffic was also associated with increases in taxonomic evenness, which, in concert with richness decreases, was attributed to losses in rare taxa. Ship traffic was especially harmful for benthic taxa and those preferring slow flows. These effects often depended on local land use and riparian degradation. In fish, negative impacts of shipping were highest in urban and agricultural landscapes. Regarding navigation infrastructure, the negative impact of channelization on macroinvertebrates was evident only when riparian degradation was also high. Our results demonstrate the risk of increasing inland navigation on freshwater biodiversity. Integrative waterway management accounting for riparian habitats and landscape characteristics could help to mitigate these impacts.
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Affiliation(s)
- Aaron N Sexton
- Fondation pour la Recherche sur la Biodiversité, Centre de Synthèse et d'Analyse sur la Biodiversité, Montpellier, France.
| | | | - Cybill Staentzel
- Université de Strasbourg, ENGEES, CNRS, LIVE UMR 7362, Strasbourg, France
| | - Christian Wolter
- Department of Fish Biology, Fisheries and Aquaculture, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany
| | - Evelyne Tales
- University of Paris-Saclay, INRAE, HYCAR, Antony, France
| | | | - Anthonie D Buijse
- Department of Freshwater Ecology and Water Quality, Deltares, Delft, the Netherlands
- Aquaculture and Fisheries Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Vanesa Martínez Fernández
- Departamento de Sistemas y Recursos Naturales, E.T.S. Ingeniería de Montes, Forestal y del Medio Natural, Universidad Politécnica de Madrid, Madrid, Spain
| | - Karl M Wantzen
- UNESCO Chair 'Fleuves et Patrimoine', CNRS UMRS CITERES, Tours University, Tours, France
- CNRS UMR LIVE, Strasbourg University, Strasbourg, France
| | - Sonja C Jähnig
- Department of Community and Ecosystem Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany
- Geography Department, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Carlos Garcia de Leaniz
- Centre for Sustainable Aquatic Research, Department of Biosciences, Swansea University, Swansea, UK
- CIM Marine Reseach Center, University of Vigo, Vigo, Spain
| | - Astrid Schmidt-Kloiber
- Institute of Hydrobiology and Aquatic Ecosystem Management, University of Natural Resources and Life Sciences, BOKU Vienna, Vienna, Austria
| | - Peter Haase
- Department of River Ecology and Conservation, Senckenberg Research Institute and Natural History Museum Frankfurt, Gelnhausen, Germany
- Faculty of Biology, University of Duisburg, Essen, Germany
| | | | - Gait Archambaud
- INRAE, Aix Marseille University, RECOVER, Aix-en-Provence, France
| | | | - Alain Dohet
- Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Vesela Evtimova
- Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Zoltán Csabai
- Department of Hydrobiology, University of Pécs, Pécs, Hungary
- HUN-REN Balaton Limnological Research Institute, Tihany, Hungary
| | - Mathieu Floury
- University of Paris-Saclay, INRAE, HYCAR, Antony, France
| | - Peter Goethals
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Ghent, Belgium
| | - Gábor Várbiró
- Department of Tisza Research, Institute of Aquatic Ecology, Centre for Ecological Research, Debrecen, Hungary
| | - Miguel Cañedo-Argüelles
- FEHM Lab, Institute of Environmental Assessment and Water Research IDAEA, CSIC, Barcelona, Spain
| | - Aitor Larrañaga
- Department of Plant Biology and Ecology, University of the Basque Country, Leioa, Spain
| | - Anthony Maire
- Laboratoire National d'Hydraulique et Environnement, EDF R&D, Chatou, France
| | - Ralf B Schäfer
- Faculty of Biology, University of Duisburg, Essen, Germany
- University Alliance Ruhr, Research Center One Health Ruhr, Essen, Germany
| | - James S Sinclair
- Department of River Ecology and Conservation, Senckenberg Research Institute and Natural History Museum Frankfurt, Gelnhausen, Germany
| | - Rudy Vannevel
- Department of Animal Sciences and Aquatic Ecology, Ghent University, Ghent, Belgium
- Environment Agency, VMM Flanders, Aalst, Belgium
| | - Ellen A R Welti
- Conservation Ecology Center, Smithsonian's National Zoo and Conservation Biology Institute, Front Royal, VA, USA
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Madureira KH, Ferreira V, Callisto M. Rehabilitation of tropical urban streams improves their structure and functioning. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171935. [PMID: 38527547 DOI: 10.1016/j.scitotenv.2024.171935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/19/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
Urban streams are affected by a complex combination of stressors, which modify physical habitat structure, flow regime, water quality, biological community composition, and ecosystem processes and services, thereby altering ecosystem structure and functioning. Rehabilitation projects have been undertaken in several countries to rehabilitate urban streams. However, stream rehabilitation is still rarely reported for neotropical regions. In addition, most studies focus on structural aspects, such as water quality, sediment control, and flood events, without considering ecosystem function indicators. Here, we evaluated the structure and functioning of three 15-y old rehabilitated urban stream sites in comparison with three stream sites in the best available ecological condition (reference), three sites with moderate habitat alteration, and three severely degraded sites. Compared to degraded streams, rehabilitated streams had higher habitat diversity, sensitive macroinvertebrate taxa richness, and biotic index scores, and lower biochemical oxygen demand, primary production, sediment deposition, and siltation. However, rehabilitated streams had higher primary production than moderate and reference streams, and lower canopy cover, habitat diversity, sensitive macroinvertebrate taxa richness, and biotic index scores than reference streams. These results indicate that rehabilitated streams have better structural and functional condition than degraded streams, but do not strongly differ from moderately altered streams, nor have they reached reference stream condition. Nonetheless, we conclude that rehabilitation is effective in removing streams from a degraded state by improving ecosystem structure and functioning. Furthermore, the combined use of functional and structural indicators facilitated an integrative assessment of stream ecological condition and distinguished stream conditions beyond those based on water quality indicators.
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Affiliation(s)
- Karoline H Madureira
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Genética, Ecologia e Evolução, Laboratório de Ecologia de Bentos, Avenida Antônio Carlos, 6627, CP 486, CEP 31270-901 Belo Horizonte, Minas Gerais, Brazil.
| | - Verónica Ferreira
- MARE - Marine and Environmental Sciences Centre, ARNET - Aquatic Research Network, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal.
| | - Marcos Callisto
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Genética, Ecologia e Evolução, Laboratório de Ecologia de Bentos, Avenida Antônio Carlos, 6627, CP 486, CEP 31270-901 Belo Horizonte, Minas Gerais, Brazil.
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Enu KB, Zingraff-Hamed A, Boafo YA, Rahman MA, Pauleit S. Citizens' acceptability and preferred nature-based solutions for mitigating hydro-meteorological risks in Ghana. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 352:120089. [PMID: 38228045 DOI: 10.1016/j.jenvman.2024.120089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 12/30/2023] [Accepted: 01/08/2024] [Indexed: 01/18/2024]
Affiliation(s)
- Kirk B Enu
- School of Life Sciences, Chair for Strategic Landscape Planning and Management, Technical University of Munich, Emil-Ramann-Str. 6, 85354, Freising, Germany.
| | - Aude Zingraff-Hamed
- ENGEES National School for Water and Environmental Engineering, 1 cour des cigarières, CS 61039, 67070, Strasbourg, France; Université de Strasbourg, CNRS, ENGEES, UMR 7362 LIVE (Image, City, Environment Laboratory), 3 rue de l'Argonne, 67000, Strasbourg, France
| | - Yaw Agyeman Boafo
- Center for Climate Change and Sustainability Studies, College of Basic and Applied Science, University of Ghana, P.O. Box LG 25, Accra, Ghana
| | - Mohammad A Rahman
- School of Life Sciences, Chair for Strategic Landscape Planning and Management, Technical University of Munich, Emil-Ramann-Str. 6, 85354, Freising, Germany
| | - Stephan Pauleit
- School of Life Sciences, Chair for Strategic Landscape Planning and Management, Technical University of Munich, Emil-Ramann-Str. 6, 85354, Freising, Germany
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Cao Y, Chen WY, Wantzen KM. 'One River, Two Systems': Hong Kong's River Management. ENVIRONMENTAL MANAGEMENT 2024; 73:81-101. [PMID: 38078964 DOI: 10.1007/s00267-023-01923-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/26/2023] [Indexed: 01/13/2024]
Abstract
Hong Kong (HK), one of the world's most densely populated metropolises, is home to over 200 rivers and streams extending about 2500 km in length. During the 1970s-1990s, most of these rivers were converted into artificial canals, to which the local society pays little attention. Since the 2010s, the HK government has initiated river revitalization to enhance the social-environmental roles of rivers. This study employed a mixed research method, including literature and policy analysis, expert interviews, field visits, and a public survey, to identify key challenges in HK's Integrated River Basin Management (IRBM). The findings highlighted the lack of IRBM's institutional arrangements in HK, characterized by a fragmented 'one river, two systems' approach without both coordination and collaboration. The Water Supplies Department (WSD) impounds upland streams as reservoirs for securing the local water supply, while the Drainage Service Department (DSD) manages heavily channelized, culverted downstream serving as storm drains with diminished ecological functionality. One significant barrier to the implementation of IRBM in HK was the limited public participation, although our survey revealed a high level of public willingness to participate in river management. Presently, river revitalization efforts have achieved limited success, with ecological measures appearing mostly "cosmetic" and the conservation of freshwater biodiversity neglected. This further underscored the pressing need for the embracement of IRBM in HK to safeguard basin-wide freshwater ecosystems. Our survey also indicated low public awareness of river revitalization initiatives and widespread dissatisfaction with their outcomes. In conclusion, we proposed the development of IRBM in HK by instituting river basin coordination, prioritizing river ecosystem restoration in revitalization projects, and involving the public through tailored strategies.
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Affiliation(s)
- Yixin Cao
- Interdisciplinary Research Center of Cities, Territories, Environment and Society (UMR CNRS 7324 CITERES), University of Tours, 37204, Tours, France.
| | - Wendy Yan Chen
- Department of Geography, The University of Hong Kong, Hong Kong, PR China
| | - Karl Matthias Wantzen
- Interdisciplinary Research Center of Cities, Territories, Environment and Society (UMR CNRS 7324 CITERES), University of Tours, 37204, Tours, France
- UNESCO Chair "River Culture-Fleuves et Patrimoine", University of Tours, 37204, Tours, France
- UNESCO Chair "Rivers and Heritage", Institut Terre et Environnement de Strasbourg (ITES) (CNRS UMR7063), Université de Strasbourg / KIT Karlsruhe, 67000, Strasbourg, France
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Nahli A, Oubraim S, Chlaida M. Monitoring structural and functional responses of the macroinvertebrate community in a resilient stream after its depollution (Casablanca, Morocco). ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 195:210. [PMID: 36534270 DOI: 10.1007/s10661-022-10812-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
This study evaluates the changes in the structure of the macroinvertebrate functional feeding groups (FFGs) of the Hassar Stream (northeast of Casablanca) following the installation of Mediouna's wastewater treatment plant (WWTP). Data on water quality and the macroinvertebrate fauna were collected at seven sample points from November 2013 to October 2014. Macroinvertebrates were used to assess the impact of physicochemical and hydromorphological properties on the FFG organization and resilience. Redundancy analysis (RDA) was employed to examine the distribution of FFGs along this stream. Based on the FFGs' relative abundance, collector-gatherers account for 39.06% of the macroinvertebrates' assemblage, followed by shredders (28.41%), collector-filters (18.76%), scrapers (7.16%), and predators (6.6%). The FFG ratios revealed that the environment was highly heterotrophic (P/R < 0.75), and all studied stations had relatively stable substrates. In addition, the ratios indicated that the studied stations had a functional riparian zone (CPOM/FPOM > 0.25), except for stations S1 and S2. Simultaneously, the RDA model revealed that the distribution of the FFGs closely followed fluctuations in the water quality (BOD5, NH4+, PO43-, EC, and Cl-) and hydromorphic properties (flow and depth). These findings highlight the importance of studying macroinvertebrate FFGs as a complementary way to assess the aquatic ecosystems' ecological integrity and resilience following anthropogenic impact reduction.
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Affiliation(s)
- Abdelmottalib Nahli
- Ecology and Environment Laboratory, Faculty of Sciences Ben M'sik, Hassan II University of Casablanca, Sidi Othmane, 7955, Casablanca, PB, Morocco.
| | - Said Oubraim
- Ecology and Environment Laboratory, Faculty of Sciences Ben M'sik, Hassan II University of Casablanca, Sidi Othmane, 7955, Casablanca, PB, Morocco
| | - Mohamed Chlaida
- Ecology and Environment Laboratory, Faculty of Sciences Ben M'sik, Hassan II University of Casablanca, Sidi Othmane, 7955, Casablanca, PB, Morocco
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Wantzen KM, Piednoir T, Cao Y, Vazhayil AM, Tan C, Kari FG, Lagerström M, Gerner NV, Sommerhäuser MM. Back to the surface – Daylighting urban streams in a Global North–South comparison. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.838794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Many urban streams have vanished from the surface as a collateral effect of urban growth. Often, these buried streams have been forgotten, and only street names remind us of their existence. Reasons for stream burial include the gain of space for road or house construction or the use of stream water to transport wastewater. Today, restoration efforts to bring back fully canalized streams to the surface and to restore their stream bed (so-called daylighting) are being increasingly integrated into urban blue-green space planning, recognizing the high ecological and social value of urban streams, especially to support resilience against climate change impacts in cities. In this paper, we briefly revise the impacts of stream burial, present a series of case studies of daylighting from Europe (France, Switzerland, and Germany), and compare them with case studies from Asia (China, India, Taiwan). We found that high real estate prices, limited buffer riparian zone and resistance by the inhabitants were the greatest obstacles to stream daylighting projects. In contrast, economic gains from separating wastewater from rainwater and revival of cultural linkages with water were the strongest drivers to restore these streams. We then present methods on how to identify buried streams as candidates for daylighting and deliver criteria to select the most promising candidates. Acknowledging that each restoration project requires to be adapted to the local biophysical and local setting, we deliver a preliminary decision support system and a guideline for identifying the best candidate streams for daylighting projects, including the arguments in favor of restoration, the caveats, the social processes of decision-making, and perspectives for the integration of stream daylighting into urban climate change mitigation and adaptation concepts, in a Global North-South comparison.
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Lei C, Wang Q, Wang Y, Han L, Yuan J, Yang L, Xu Y. Spatially non-stationary relationships between urbanization and the characteristics and storage-regulation capacities of river systems in the Tai Lake Plain, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153684. [PMID: 35134417 DOI: 10.1016/j.scitotenv.2022.153684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 01/25/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
Given environmental or hydrological functions influenced by changing river networks in the development of rapid urbanization, a clear understanding of the relationships between comprehensive urbanization (CUB) and river network characteristics (RNC), storage capacity (RSC), and regulation capacity (RRC) is urgently needed. In the rapidly urbanized Tai Lake Plain (TLP), China, various methods and multisource data were integrated to estimate the dynamics of RNC, RSC, and RRC as well as their interactions with urbanization. The bivariate Moran's I methods were applied to detect and visualize the spatial dependency of RNC, RSC, or RRC on urbanization. Geographically weighted regression (GWR) model was set up to characterize spatial heterogeneity of urbanization influences on RNC, RSC and RRC. Our results indicated that RNC, RSC and RRC variables each showed an overall decreasing trend across space from 1960s to 2010s, particularly in those of tributary rivers. RNC, RSC, or RRC had globally negative correlations with CUB, respectively, but looking at local scale the spatial correlations between each pair were categorized as four types: high-high, high-low, low-low, and low-high. GWR was identified to accurately predict the response of most RNC, RSC, or RRC variables to CUB (R2: 0.6-0.8). The predictive ability of GWR was spatially non-stationary. The obtained relationships presented different directions and strength in space. All variables except for the water surface ratio (Wp) were more positively affected by CUB in the middle eastern parts of TLP. Drainage density, RSC and RRC variables were more negatively influenced by CUB in the northeast compared to other parts. The quantitative results of spatial relationships between urbanization and RNC, RSC or RRC can provide location-specific guidance for river environment protection and regional flood risk management.
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Affiliation(s)
- Chaogui Lei
- Department of Hydrology and Water Resources Management, Institute for Natural Resource Conservation, Kiel University, Olshausenstr. 75, 24118 Kiel, Germany; School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China.
| | - Qiang Wang
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Yuefeng Wang
- School of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China
| | - Longfei Han
- College of Geographic Science, Hunan Normal University, Changsha 410081, China
| | - Jia Yuan
- School of History Culture and Tourism, Fuyang Normal University, Fuyang 236037, China
| | - Liu Yang
- College of Geography and Tourism, Hengyang Normal University, Hengyang 421002, China
| | - Youpeng Xu
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
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Obubu JP, Odong R, Alamerew T, Fetahi T, Mengistou S. Application of DPSIR model to identify the drivers and impacts of land use and land cover changes and climate change on land, water, and livelihoods in the L. Kyoga basin: implications for sustainable management. ENVIRONMENTAL SYSTEMS RESEARCH 2022; 11:11. [PMID: 35607482 PMCID: PMC9118187 DOI: 10.1186/s40068-022-00254-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/10/2022] [Indexed: 06/15/2023]
Abstract
Land use, land cover, and climate change impacts are current global challenges that are affecting many sectors, like agricultural production, socio-economic development, water quality, and causing land fragmentation. In developing countries like Uganda, rural areas with high populations dependent on agriculture are the most affected. The development of sustainable management measures requires proper identification of drivers and impacts on the environment and livelihoods of the affected communities. This study applied drivers, pressure, state, impact, and response model in the L. Kyoga basin to determine the drivers and impacts of land use, land cover, and climate change on livelihoods and the environment. The objective of this study was to determine the drivers and impacts of land use, land cover, and climate changes on the environment and livelihoods in the L. Kyoga basin and suggest sustainable mitigation measures. Focus group discussions, key informant interviews, field observations, and literature reviews were used to collect data. Population increase and climate change were the leading drivers, while agriculture and urbanization were the primary pressures, leading to degraded land, wetlands, and forests; loss of soil fertility, hunger, poverty, poor water quality, which are getting worse. The local communities, government, and non-government institutions had responses to impacts, including agrochemicals, restoration, and conservation approaches. Although most responses were at a small/pilot scale level, most responses had promising results. The application of policies and regulations to manage impacts was also found to be weak. Land use, land cover changes, and climate change occur in the L. Kyoga basin with major impacts on land, water, and community livelihoods. With the observed increase in climate change and population growth, drivers and impacts are potentially getting worse. Therefore, it is essential to expand interventions, provide relief, review policies and regulations, and enforce them. The findings are helpful for decisions and policy-makers to design appropriate management options.
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Affiliation(s)
- John Peter Obubu
- African Centre of Excellence for Water Management, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
- Department of Water Quality Management, Directorate of Water Resources Management, Ministry of Water and Environment, P. O. Box 20026, Kampala, Uganda
| | - Robinson Odong
- Department of Zoology, Entomology and Fisheries Sciences, College of Natural Sciences, Makerere University, Kampala, Uganda
| | - Tena Alamerew
- Ethiopian Institute of Water Resource, Addis Ababa University, Addis Ababa, Ethiopia
| | - Tadesse Fetahi
- African Centre of Excellence for Water Management, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
| | - Seyoum Mengistou
- African Centre of Excellence for Water Management, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
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Garello N, Blettler MCM, Espínola LA, Wantzen KM, González-Fernández D, Rodrigues S. The role of hydrodynamic fluctuations and wind intensity on the distribution of plastic debris on the sandy beaches of Paraná River, Argentina. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 291:118168. [PMID: 34536647 DOI: 10.1016/j.envpol.2021.118168] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 06/13/2023]
Abstract
Plastic in the environment is considered an emerging pollutant of global concern. In spite of intensive research, many questions remain open, such as the processes that drive the deposition and remobilization of plastic debris on river beaches. The objectives of this study were: i) to analyze the influence of the natural hydrological fluctuations and wind intensity on the distribution of mesoplastic (0.5-2.5 cm) and macroplastic (>2.5 cm) debris in beach sediments of a large river, ii) to describe the type of plastic debris found and iii) to explore potential relations between the number of items and weight of macro- and mesoplastics. Our results suggest that, during lowering water levels, flow removes the plastic debris and transports it further downstream. Conversely, when the beach sediments remain exposed during long periods, the plastic debris accumulates considerably. Nevertheless, the influence of wind intensity on plastic debris transport was comparatively negligible. In other words, in our study the water flow had a greater capacity to remobilize and transport plastic debris than the wind. The most abundant mesoplastic items were foam, hard plastic, film and small fragments of fishing line. The dominant macroplastic items recorded were pieces of fishing line (nylon) and cigarette filters (cellulose acetate), typically discarded by beach users. Other items found in large quantities were soft packaging elements (expanded polystyrene), hard plastic containers (polystyrene, polyethylene terephthalate) and beverage bottles (polyethylene terephthalate), typical items of domestic use in the Paraná River region. Finally, we found that the density of macroplastic items is highly correlated to the density of mesoplastic items, serving as surrogate for further estimations. Our results could help to develop better mitigation strategies in seasonal riverscapes, based on the influence of the hydrological cycle and the characteristics of the most abundant meso- and macroplastics.
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Affiliation(s)
- Nicolás Garello
- The National Institute of Limnology (INALI; CONICET-UNL), Ciudad Universitaria (3000), Santa Fe, Argentina.
| | - Martín C M Blettler
- The National Institute of Limnology (INALI; CONICET-UNL), Ciudad Universitaria (3000), Santa Fe, Argentina.
| | - Luis A Espínola
- The National Institute of Limnology (INALI; CONICET-UNL), Ciudad Universitaria (3000), Santa Fe, Argentina.
| | - Karl M Wantzen
- UNESCO Chair River Culture, UMR CNRS 7324 CITERES, University of Tours, and CNRS UMR LIVE, Strasbourg University, France.
| | - Daniel González-Fernández
- Department of Biology, Institute of Marine Research, University of Cádiz and European University of the Seas, Puerto Real, Spain.
| | - Stephane Rodrigues
- UMR 7324 CNRS CITERES and Graduate School of Engineering Polytech Tours, University of Tours, France.
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12
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Anthropogenic Actions and Socioenvironmental Changes in Lake of Juá, Brazilian Amazonia. SUSTAINABILITY 2021. [DOI: 10.3390/su13169134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The Amazonia rainforest has natural spaces that have undergone extensive and intense transformations, mainly to meet economic demands, camouflaged in biological and social needs. As one of the consequences of this process, the production and expansion of the urban space stand out. In this context, this research describes the historical, spatial, and temporal aspects of land use and occupation in the surroundings of Lake of Juá, located in the municipality of Santarém, west of the State of Pará, Brazil, in order to highlight the main changes in the landscape and socioenvironmental changes arising from this dynamic. The study was conducted based on photographic records, elaboration, and analysis of cartographic data, in addition to the perceptions of residents and fishermen located in the study area, which, together, contributed to the understanding of the historical and spatial changes that led to the current socioenvironmental transformations in the surroundings of the lake. The residents and local fishermen of Lake of Juá, through semi-structured interviews, listed several socioenvironmental overlapping problems that had many impacts on this lake ecosystem, such as deforestation, silting, contamination of water resources and, consequently, fishing resources, loss of biodiversity and conflict of interest. The degradation and decharacterization of the landscape around the lake has compromised the maintenance of this lake ecosystem, as significant and even irreversible transformations have been caused in the community and in the ecological environment, especially when taking into account the absence of public policies or their inefficiency.
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13
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Pradilla G, Lamberty G, Hamhaber J. Hydromorphological and socio-cultural assessment of urban rivers to promote nature-based solutions in Jarabacoa, Dominican Republic. AMBIO 2021; 50:1414-1430. [PMID: 34061346 PMCID: PMC8249590 DOI: 10.1007/s13280-021-01565-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 11/05/2020] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
In Latin America and the Caribbean, river restoration projects are increasing, but many lack strategic planning and monitoring. We tested the applicability of a rapid visual social-ecological stream assessment method for restoration planning, complemented by a citizen survey on perceptions and uses of blue and green infrastructure. We applied the method at three urban streams in Jarabacoa (Dominican Republic) to identify and prioritize preferred areas for nature-based solutions. The method provides spatially explicit information for strategic river restoration planning, and its efficiency makes it suitable for use in data-poor contexts. It identifies well-preserved, moderately altered, and critically impaired areas regarding their hydromorphological and socio-cultural conditions, as well as demands on green and blue infrastructure. The transferability of the method can be improved by defining reference states for assessing the hydromorphology of tropical rivers, refining socio-cultural parameters to better address river services and widespread urban challenges, and balancing trade-offs between ecological and social restoration goals.
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Affiliation(s)
- Gonzalo Pradilla
- Institute of Applied Geosciences, Technische Universität Darmstadt, Schnittspahnstrasse 9, 64287 Darmstadt, Germany
| | - Georg Lamberty
- Faculty of Spatial Development and Infrastructure Systems, Cologne University of Applied Sciences, Robertstrasse 2, 53111 Cologne, Germany
| | - Johannes Hamhaber
- Faculty of Spatial Development and Infrastructure Systems, Cologne University of Applied Sciences, Robertstrasse 2, 53111 Cologne, Germany
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14
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Perosa F, Fanger S, Zingraff-Hamed A, Disse M. A meta-analysis of the value of ecosystem services of floodplains for the Danube River Basin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 777:146062. [PMID: 33677306 DOI: 10.1016/j.scitotenv.2021.146062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 02/17/2021] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
Floodplains provide ecosystem services (ES). Their evaluation is complex and integrative assessment remains challenging for sciences and practices. Studies have been published in the last two decades reporting ES monetary values of floodplains. Since ES are site-specific, we focus on those studies regarding the Europe's second largest river basin, namely the Danube River Basin (DRB). By analyzing these studies, we aim to answer the questions: "Do the significant predictor variables differ from previous meta-analyses?" and "Does the spatial database improve the meta-analysis?" In this context, we conducted a systematic review on Scopus and Web of Science combining the four themes "value", "ES", "floodplain", and "location". We conducted a meta-analysis of the Danube floodplains' ES values with different sub-groups based on the ES classes (provisioning, regulating, and cultural) and implemented model selection based on the corrected Akaike Information Criterion. We selected 251 entries from 25 studies to set up with a PostgreSQL spatial database, which provides limitless possibilities to enrich the information on the study areas. We observed that the most important variables to describe ES values of DRB floodplains depend on the ES class, but in general the area proportions of water bodies and riparian landscapes are important, together with the valuation method and the chemical or ecological status of the corresponding river section. Finally, we provided two versions of unconditional benefit-transfer functions to evaluate provisioning, regulating, and cultural ES. This paper complements previously conducted meta-analyses to recognize significant characteristics to value ES and it is a valid basis to help determine the ES value of Danube floodplains.
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Affiliation(s)
- Francesca Perosa
- Chair of Hydrology and River Basin Management, Technical University of Munich, Munich 80333, Germany.
| | - Sami Fanger
- Chair of Hydrology and River Basin Management, Technical University of Munich, Munich 80333, Germany
| | - Aude Zingraff-Hamed
- Chair for Strategic Landscape Planning and Management, Technical University of Munich, Freising 85354, Germany
| | - Markus Disse
- Chair of Hydrology and River Basin Management, Technical University of Munich, Munich 80333, Germany
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15
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Influence of Altruistic Motives on Organic Food Purchase: Theory of Planned Behavior. SUSTAINABILITY 2021. [DOI: 10.3390/su13116023] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Marketing campaigns of organic food emphasize utilitarian benefits and psychological benefits as well as consumer culture to enhance environmental sustainability. In order to study the purchase intention of organic food, the authors developed a model using antecedents like warm glow, subjective norm, attitude and perceived behavioral control. This study examines the model for the Indian and the USA samples and thus integrated using three theories: Theory of Planned Behavior (TPB), Pro-Social Behavior (PSB) Theory with the interaction of Consumer Culture Theory. The model is estimated using the multi-group Partial Least Square Structural Equation Modeling (PLS-SEM) technique using R software with samples from India (n = 692) and the USA (n = 640). Results differ for Indian and USA samples. The expectation of the “warm glow” resulted from an environmentally friendly purchase as having a higher influence on Indian samples than that of the USA. Further, the attitude towards organic food purchase intention is stronger for US samples than the Indian, and the group difference is significant, while all the relationships that take warm glow as an antecedent have higher β for Indian samples. Moreover, the study found that attitude towards organic food is a major element for US subsamples, whereas subjective norm plays a major role in Indian samples to adopt organic food. Managerially, the present study suggests that a firm marketing its organic food must concentrate more on “warm glow” for Indian consumers in order to improve their market share.
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16
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Graziano M, Giorgi A, Feijoó C. Multiple stressors and social-ecological traps in Pampean streams (Argentina): A conceptual model. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 765:142785. [PMID: 33097269 DOI: 10.1016/j.scitotenv.2020.142785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/05/2020] [Accepted: 10/01/2020] [Indexed: 06/11/2023]
Abstract
Fluvial systems are particularly sensitive to changes in the terrestrial ecosystems where they are embedded, receiving simultaneously the impact of multiple stressors. The design of adequate management policies requires analyzing fluvial systems as social-ecological systems, because the decoupling of natural and social systems can lead to a severe mismatch between maintaining ecological integrity and the pursuit of human well-being. Pampean streams are especially prone to the impact of human activities because they are located in a region that provides almost half of the agricultural production of Argentina and concentrates 66% of the whole population of the country. In the present work, we conceived a general social-ecological framework that links the occurrence of multiple stressors and their impacts on ecosystem services, with changes in environmental perception of streams, which in turn feedback over institutional actions at the watershed's governance. We identified four current key drivers of the dynamics in Pampean streams: a dominant agro-industrial model for the region, a command-and-control governance regime mainly based on an engineering hydraulic perspective, the real estate market speculation of surrounding lands, and the persistence of structural poverty in urban areas. The resulting dynamics resembles the occurrence of different kinds of social-ecological traps, i.e., a highly stable but undesirable state of the system that is difficult to escape. Based on this analysis, we provide a leverage point perspective to avoid this trap. Together, this approach could be applied to other fluvial systems of the world to link the ecological and social domains to multiple stressors analysis, and to improve institutional fit for the sustainability of fluvial social-ecological systems.
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Affiliation(s)
- Martín Graziano
- Instituto de Ecología, Genética y Evolución de Buenos Aires (IEGEBA, CONICET-UBA), and Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Adonis Giorgi
- INEDES (UNLu-CONICET) and Departamento de Ciencias Básicas, Universidad Nacional de Luján, Luján, Buenos Aires, Argentina
| | - Claudia Feijoó
- INEDES (UNLu-CONICET) and Departamento de Ciencias Básicas, Universidad Nacional de Luján, Luján, Buenos Aires, Argentina.
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17
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Feio MJ, Hughes RM, Callisto M, Nichols SJ, Odume ON, Quintella BR, Kuemmerlen M, Aguiar FC, Almeida SF, Alonso-EguíaLis P, Arimoro FO, Dyer FJ, Harding JS, Jang S, Kaufmann PR, Lee S, Li J, Macedo DR, Mendes A, Mercado-Silva N, Monk W, Nakamura K, Ndiritu GG, Ogden R, Peat M, Reynoldson TB, Rios-Touma B, Segurado P, Yates AG. The Biological Assessment and Rehabilitation of the World's Rivers: An Overview. WATER 2021; 13:371. [PMID: 33868721 PMCID: PMC8048141 DOI: 10.3390/w13030371] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
The biological assessment of rivers i.e., their assessment through use of aquatic assemblages, integrates the effects of multiple-stressors on these systems over time and is essential to evaluate ecosystem condition and establish recovery measures. It has been undertaken in many countries since the 1990s, but not globally. And where national or multi-national monitoring networks have gathered large amounts of data, the poor water body classifications have not necessarily resulted in the rehabilitation of rivers. Thus, here we aimed to identify major gaps in the biological assessment and rehabilitation of rivers worldwide by focusing on the best examples in Asia, Europe, Oceania, and North, Central, and South America. Our study showed that it is not possible so far to draw a world map of the ecological quality of rivers. Biological assessment of rivers and streams is only implemented officially nation-wide and regularly in the European Union, Japan, Republic of Korea, South Africa, and the USA. In Australia, Canada, China, New Zealand, and Singapore it has been implemented officially at the state/province level (in some cases using common protocols) or in major catchments or even only once at the national level to define reference conditions (Australia). In other cases, biological monitoring is driven by a specific problem, impact assessments, water licenses, or the need to rehabilitate a river or a river section (as in Brazil, South Korea, China, Canada, Japan, Australia). In some countries monitoring programs have only been explored by research teams mostly at the catchment or local level (e.g., Brazil, Mexico, Chile, China, India, Malaysia, Thailand, Vietnam) or implemented by citizen science groups (e.g., Southern Africa, Gambia, East Africa, Australia, Brazil, Canada). The existing large-extent assessments show a striking loss of biodiversity in the last 2-3 decades in Japanese and New Zealand rivers (e.g., 42% and 70% of fish species threatened or endangered, respectively). A poor condition (below Good condition) exists in 25% of South Korean rivers, half of the European water bodies, and 44% of USA rivers, while in Australia 30% of the reaches sampled were significantly impaired in 2006. Regarding river rehabilitation, the greatest implementation has occurred in North America, Australia, Northern Europe, Japan, Singapore, and the Republic of Korea. Most rehabilitation measures have been related to improving water quality and river connectivity for fish or the improvement of riparian vegetation. The limited extent of most rehabilitation measures (i.e., not considering the entire catchment) often constrains the improvement of biological condition. Yet, many rehabilitation projects also lack pre-and/or post-monitoring of ecological condition, which prevents assessing the success and shortcomings of the recovery measures. Economic constraints are the most cited limitation for implementing monitoring programs and rehabilitation actions, followed by technical limitations, limited knowledge of the fauna and flora and their life-history traits (especially in Africa, South America and Mexico), and poor awareness by decision-makers. On the other hand, citizen involvement is recognized as key to the success and sustainability of rehabilitation projects. Thus, establishing rehabilitation needs, defining clear goals, tracking progress towards achieving them, and involving local populations and stakeholders are key recommendations for rehabilitation projects (Table 1). Large-extent and long-term monitoring programs are also essential to provide a realistic overview of the condition of rivers worldwide. Soon, the use of DNA biological samples and eDNA to investigate aquatic diversity could contribute to reducing costs and thus increase monitoring efforts and a more complete assessment of biodiversity. Finally, we propose developing transcontinental teams to elaborate and improve technical guidelines for implementing biological monitoring programs and river rehabilitation and establishing common financial and technical frameworks for managing international catchments. We also recommend providing such expert teams through the United Nations Environment Program to aid the extension of biomonitoring, bioassessment, and river rehabilitation knowledge globally.
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Affiliation(s)
- Maria João Feio
- Department of Life Sciences, MARE-Marine and Environmental Sciences Centre, University of Coimbra, 3000-456 Coimbra, Portugal
| | - Robert M. Hughes
- Amnis Opes Institute, Corvallis, OR 97333, USA
- Department of Fisheries & Wildlife, Oregon State University, Corvallis, OR 97331, USA
| | - Marcos Callisto
- Laboratory of Ecology of Benthos, Department of Genetic, Ecology and Evolution, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, CEP 31270-901 Belo Horizonte, MG, Brazil
| | - Susan J. Nichols
- Centre for Applied Water Science, Institute for Applied Ecology, University of Canberra, 2601 Canberra, Australia
| | - Oghenekaro N. Odume
- Unilever Centre for Environmental Water Quality, Institute for Water Research, Rhodes University, P.O. Box 94, Grahamstown 6140, South Africa
| | - Bernardo R. Quintella
- MARE—Marine and Environmental Sciences Centre, University of Évora, 7000-812 Évora, Portugal
- Department of Animal Biology, Faculty of Sciences of the University of Lisbon, Campo Grande, 1749-016 Lisboa, Portugal
| | - Mathias Kuemmerlen
- Department of Zoology, School of Natural Sciences, Trinity Centre for the Environment, Trinity College Dublin, The University of Dublin, College Green, Dublin 2, Ireland
| | - Francisca C. Aguiar
- Centro de Estudos Florestais, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, Portugal
| | - Salomé F.P. Almeida
- Department of Biology and GeoBioTec—GeoBioSciences, GeoTechnologies and GeoEngineering Research Centre, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - Perla Alonso-EguíaLis
- Mexican Institute of Water Technology, Bioindicators Laboratory, Jiutepec Morelos 62550, Mexico
| | - Francis O. Arimoro
- Department of Animal and Environmental Biology (Applied Hydrobiology Unit), Federal University of Technology, P.M.B. 65 Minna, Nigeria
| | - Fiona J. Dyer
- Centre for Applied Water Science, Institute for Applied Ecology, University of Canberra, 2601 Canberra, Australia
| | - Jon S. Harding
- School of Biologcal Sciences, University of Canterbury, 8140 Christchurch, New Zealand
| | - Sukhwan Jang
- Department of Civil Engineering, Daejin University, Hoguk-ro, Pocheon-si 1007, Gyeonggi-do, Korea
| | - Philip R. Kaufmann
- Department of Fisheries & Wildlife, Oregon State University, Corvallis, OR 97331, USA
- Pacific Ecological Systems Division, Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Corvallis, OR 97333, USA
| | - Samhee Lee
- Korea Institute of Civil Engineering and Building Technology (KICT), 283 Goyangdaero, Ilsanseo-gu, Goyang-si 10223, Gyeonggi-do, Korea
| | - Jianhua Li
- Key Laboratory of Yangtze River Water Environment, Ministry of Education of China, Tongji University, Shanghai 200092, China
| | - Diego R. Macedo
- Department of Geography, Geomorphology and Water Resources Laboratory, Institute of Geosciences, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, CEP 31270-901 Belo Horizonte, MG, Brazil
| | - Ana Mendes
- MED—Instituto Mediterrâneo para a Agricultura, Ambiente e Desenvolvimento, LabOr—Laboratório de Ornitologia, Universidade de Évora, Polo da Mitra, 7002-774 Évora, Portugal
| | - Norman Mercado-Silva
- Centro de Investigación en Biodiversidad y Conservacíon, Universidad Autónoma del Estado de Morelos, Cuernavaca, 62209 Morelos, Mexico
| | - Wendy Monk
- Environment and Climate Change Canada and, Canadian Rivers Institute, Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
| | - Keigo Nakamura
- Water Environment Research Group, Public Works Research Institute, 1-6 Minamihara, Tsukuba 305-8516, Japan
| | - George G. Ndiritu
- School of Natural Resources and Environmental Studies, Karatina University, P.O. Box 1957, 10101 Karatina, Kenya
| | - Ralph Ogden
- Environment, Planning and Sustainable Development Directorate, 2601 Canberra, Australia
| | - Michael Peat
- Wetlands, Policy and Northern Water Use Branch, Commonwealth Environmental Water Office, 2601 Canberra, Australia
| | | | - Blanca Rios-Touma
- Grupo de Investigación en Biodiversidad, Medio Ambiente y Salud (BIOMAS), Facultad de Ingenierías y Ciencias Aplicadas, Ingeniería Ambiental, Universidad de Las Américas, Vía Nayón S/N, 170503 Quito, Ecuador
| | - Pedro Segurado
- Department of Animal Biology, Faculty of Sciences of the University of Lisbon, Campo Grande, 1749-016 Lisboa, Portugal
| | - Adam G. Yates
- Department of Geography, Western University and Canadian Rivers Institute, London, ON N6A 5C2, Canada
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18
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Mello KD, Taniwaki RH, Paula FRD, Valente RA, Randhir TO, Macedo DR, Leal CG, Rodrigues CB, Hughes RM. Multiscale land use impacts on water quality: Assessment, planning, and future perspectives in Brazil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 270:110879. [PMID: 32721318 DOI: 10.1016/j.jenvman.2020.110879] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 03/23/2020] [Accepted: 05/28/2020] [Indexed: 06/11/2023]
Abstract
Brazil contains the largest volume of freshwater of any nation in the world; however, this essential natural resource is threatened by rapid increases in water consumption and water quality degradation, mainly as a result of anthropogenic pressures. Declining water quality has become an increasingly more significant global concern as economic activities and human populations expand and climate change markedly alters hydrological cycles. Changes in land-use/land-cover (LULC) pattern have been recognized as a major driver of water quality degradation, however different LULC types and intensities affect water quality in different ways. In addition, the relationships between LULC and water quality may differ for different spatial and temporal scales. The increase in deforestation, agricultural expansion, and urban sprawl in Brazil highlights the need for water quality protection to ensure immediate human needs and to maintain the quality of water supplies in the long-term. Thus, this manuscript provides an overview of the relationships between LULC and water quality in Brazil, aiming at understanding the effects of different LULC types on water quality, how spatial and temporal scales contribute to these effects, and how such knowledge can improve watershed management and future projections. In general, agriculture and urban areas are the main LULCs responsible for water quality degradation in Brazil. However, although representing a small percentage of the territory, mining has a high impact on water quality. Water quality variables respond differently at different spatial scales, so spatial extent is an important aspect to be considered in studies and management. LULC impacts on water quality also vary seasonally and lag effects mean they take time to occur. Forest restoration can improve water quality and multicriteria evaluation has been applied to identify priority areas for forest restoration and conservation aiming at protecting water quality, but both need further exploration. Watershed modelling has been applied to simulate future impacts of LULC change on water quality, but data availability must be improved to increase the number, locations and duration of studies. Because of the international nature of watersheds and the consistent relationships between land use and water quality in Brazil, we believe our results will also aid water management in other countries.
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Affiliation(s)
- Kaline de Mello
- Department of Ecology, Institute of Biosciences, University of São Paulo, R. do Matão, 321, São Paulo, SP, Brazil.
| | - Ricardo Hideo Taniwaki
- Engineering, Modelling and Applied Social Sciences Center, Federal University of ABC, Av. dos Estados, 5001, Santo Andre, SP, Brazil.
| | - Felipe Rossetti de Paula
- Department of Forest Sciences, "Luiz de Queiroz" College of Agriculture, University of São Paulo, R. Padua Dias, 11, Piracicaba, SP, Brazil.
| | - Roberta Averna Valente
- Department of Environmental Science, Federal University of São Carlos, Sorocaba Campus, Rodovia João Leme dos Santos (SP-264), km 110, Sorocaba, SP, Brazil.
| | - Timothy O Randhir
- Department of Environmental Conservation, University of Massachusetts, 160 Holdsworth Way, Holdsworth Hall, Amherst, MA, USA.
| | - Diego Rodrigues Macedo
- Department of Geography, Institute of Geosciences, Federal University of Minas Gerais, Av. Antônio Carlos, 6627, Belo Horizonte, MG, CEP 31.270-901, Brazil.
| | - Cecília Gontijo Leal
- Department of Forest Sciences, "Luiz de Queiroz" College of Agriculture, University of São Paulo, R. Padua Dias, 11, Piracicaba, SP, Brazil.
| | | | - Robert M Hughes
- Amnis Opes Institute and Department of Fisheries & Wildlife, Oregon State University, 104 Nash Hall, Corvallis, OR, 7331-3803, USA.
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19
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The Fit of Urban Waterfront Interventions: Matters of Size, Money and Function. SUSTAINABILITY 2020. [DOI: 10.3390/su12104079] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Urban riverfront interventions are ubiquitous throughout the developed world, and increasingly also in the Global South. Many have failed spectacularly. We conducted a systematic review of failed riverfront interventions to draw lessons that could improve future projects. Learning from past mistakes may be more important than observing successes, because successful elements in one city may not be repeatable elsewhere, as the context and opportunity could be specific to that one city. Recognizing what did not work elsewhere may provide clues needed to improve future projects. Our results show that poorly designed riverfront interventions typically fail on several levels: a bad program, with the wrong budget and timing, no concern for local needs or context, results in an unattractive and costly intervention, with reduced to no social or environmental benefit. To create more successful interventions in the future, we should acknowledge the local context, the morphology of the river valley, the time and budget a set of solutions entail, and select uses and functions that work for a diverse crowd and provide multiple benefits, including good flood management performance and the restoration of the rivers’ natural connectivity.
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