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Liu H, Zhang G, Guo H, Wang Z, Ge Q. Occurrences of nitrate-contaminated groundwater in the piedmont aquifers: hydrogeochemical characteristics and health risks. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:366. [PMID: 39162847 DOI: 10.1007/s10653-024-02166-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 08/07/2024] [Indexed: 08/21/2024]
Abstract
Groundwater nitrate (NO3-) contamination is a global concern. The distribution patterns, enrichment mechanisms, and human health risks of NO3- contaminated groundwater were investigated using 144 groundwater samples collected from domestic and irrigation wells in the piedmonts of the North China Plain (Beijing and Shijiazhuang areas). The results showed that the groundwater was neutral to weakly alkaline, and 47% of the groundwater samples had NO3- concentrations exceeding 50 mg/L, a threshold proposed by world health organization to threaten infants up to 3 months. Groundwater NO3- concentrations were generally higher in the Beijing piedmont than in the Shijiazhuang piedmont and decreased with depth in both piedmonts. High-NO3- (> 50 mg/L) groundwater was distributed sporadically spatially and mainly was of Ca-Mg-HCO3 hydrochemical facies. Stable isotopes (D and 18O) compositions and NO3-/Cl- ratios indicated that NO3- accumulation in groundwater was primarily due to use of N-fertilizers under agricultural practices, and was associated with groundwater recharge sources such as septic tank leakage and re-infiltration of reclaimed irrigation water. Water quality evaluation showed that groundwater quality was highly dependent on NO3- concentration, with entropy-weighted water quality index values increasing linearly with increasing NO3- concentrations. The potential health risk of high-NO3- groundwater was the most serious for infants in both the piedmonts. Therefore, reducing NO3- input from sources and drinking water intake is recommended to minimize the human health risk.
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Affiliation(s)
- Haiyan Liu
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, 418 Guanglan Road, Jingkai District, Nanchang, 330013, People's Republic of China.
- Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution and School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, 330013, People's Republic of China.
| | - Guanglu Zhang
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, 418 Guanglan Road, Jingkai District, Nanchang, 330013, People's Republic of China
- Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution and School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, 330013, People's Republic of China
| | - Huaming Guo
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, 418 Guanglan Road, Jingkai District, Nanchang, 330013, People's Republic of China
- Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution and School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, 330013, People's Republic of China
- School of Water Resources and Environment, China University of Geosciences (Beijing), Beijing, 100083, People's Republic of China
| | - Zhen Wang
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, 418 Guanglan Road, Jingkai District, Nanchang, 330013, People's Republic of China
- Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution and School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, 330013, People's Republic of China
| | - Qin Ge
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, 418 Guanglan Road, Jingkai District, Nanchang, 330013, People's Republic of China
- Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution and School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, 330013, People's Republic of China
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Puigserver D, Herrero J, Carmona JM. Nitrate removal by combining chemical and biostimulation approaches using micro-zero valent iron and lactic acid. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 843:156841. [PMID: 35750160 DOI: 10.1016/j.scitotenv.2022.156841] [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: 03/10/2022] [Revised: 06/07/2022] [Accepted: 06/16/2022] [Indexed: 06/15/2023]
Abstract
The occurrence of nitrate is the most significant type of pollution affecting groundwater globally, being a major contributor to the poor condition of water bodies. This pollution is related to livestock-agricultural and urban activities, and the nitrate presence in drinking water has a clear impact on human health. For example, it causes the blue child syndrome. Moreover, the high nitrate content in aquifers and surface waters significantly affects aquatic ecosystems since it is responsible for the eutrophication of surface water bodies. A treatability test was performed in the laboratory to study the decrease of nitrate in the capture zone of water supply wells. For this purpose, two boreholes were drilled from which groundwater and sediments were collected to conduct the test. The goal was to demonstrate that nitrate in groundwater can be decreased much more efficiently using combined abiotic and biotic methods with micro-zero valent iron and biostimulation with lactic acid, respectively, than when both strategies are used separately. The broader implications of this goal derive from the fact that the separate use of these reagents decreases the efficiency of nitrate removal. Thus, while nitrate is removed using micro-valent iron, high concentrations of harmful ammonium are also generated. Furthermore, biostimulation alone leads to overgrowth of other microorganisms that do not result in denitrification, therefore complete denitrification requires more time to occur. In contrast, the combined strategy couples abiotic denitrification of nitrate with biostimulation of microorganisms capable of biotically transforming the abiotically generated harmful ammonium. The treatability test shows that the remediation strategy combining in situ chemical reduction using micro-zero valent iron and biostimulation with lactic acid could be a viable strategy for the creation of a reactive zone around supply wells located in regions where groundwater and porewater in low permeability layers are affected by diffuse nitrate contamination.
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Affiliation(s)
- Diana Puigserver
- Department of Mineralogy, Petrology and Applied Geology, Faculty of Earth Sciences, University of Barcelona (UB), Water Research Institute (IdRA-UB), C/ Martí i Franquès, s/n, E-08028 Barcelona, Spain.
| | - Jofre Herrero
- Department of Mineralogy, Petrology and Applied Geology, Faculty of Earth Sciences, University of Barcelona (UB), Water Research Institute (IdRA-UB), C/ Martí i Franquès, s/n, E-08028 Barcelona, Spain.
| | - José M Carmona
- Department of Mineralogy, Petrology and Applied Geology, Faculty of Earth Sciences, University of Barcelona (UB), Water Research Institute (IdRA-UB), C/ Martí i Franquès, s/n, E-08028 Barcelona, Spain.
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Mammola S, Meierhofer MB, Borges PA, Colado R, Culver DC, Deharveng L, Delić T, Di Lorenzo T, Dražina T, Ferreira RL, Fiasca B, Fišer C, Galassi DMP, Garzoli L, Gerovasileiou V, Griebler C, Halse S, Howarth FG, Isaia M, Johnson JS, Komerički A, Martínez A, Milano F, Moldovan OT, Nanni V, Nicolosi G, Niemiller ML, Pallarés S, Pavlek M, Piano E, Pipan T, Sanchez‐Fernandez D, Santangeli A, Schmidt SI, Wynne JJ, Zagmajster M, Zakšek V, Cardoso P. Towards evidence-based conservation of subterranean ecosystems. Biol Rev Camb Philos Soc 2022; 97:1476-1510. [PMID: 35315207 PMCID: PMC9545027 DOI: 10.1111/brv.12851] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 02/22/2022] [Accepted: 03/01/2022] [Indexed: 12/18/2022]
Abstract
Subterranean ecosystems are among the most widespread environments on Earth, yet we still have poor knowledge of their biodiversity. To raise awareness of subterranean ecosystems, the essential services they provide, and their unique conservation challenges, 2021 and 2022 were designated International Years of Caves and Karst. As these ecosystems have traditionally been overlooked in global conservation agendas and multilateral agreements, a quantitative assessment of solution-based approaches to safeguard subterranean biota and associated habitats is timely. This assessment allows researchers and practitioners to understand the progress made and research needs in subterranean ecology and management. We conducted a systematic review of peer-reviewed and grey literature focused on subterranean ecosystems globally (terrestrial, freshwater, and saltwater systems), to quantify the available evidence-base for the effectiveness of conservation interventions. We selected 708 publications from the years 1964 to 2021 that discussed, recommended, or implemented 1,954 conservation interventions in subterranean ecosystems. We noted a steep increase in the number of studies from the 2000s while, surprisingly, the proportion of studies quantifying the impact of conservation interventions has steadily and significantly decreased in recent years. The effectiveness of 31% of conservation interventions has been tested statistically. We further highlight that 64% of the reported research occurred in the Palearctic and Nearctic biogeographic regions. Assessments of the effectiveness of conservation interventions were heavily biased towards indirect measures (monitoring and risk assessment), a limited sample of organisms (mostly arthropods and bats), and more accessible systems (terrestrial caves). Our results indicate that most conservation science in the field of subterranean biology does not apply a rigorous quantitative approach, resulting in sparse evidence for the effectiveness of interventions. This raises the important question of how to make conservation efforts more feasible to implement, cost-effective, and long-lasting. Although there is no single remedy, we propose a suite of potential solutions to focus our efforts better towards increasing statistical testing and stress the importance of standardising study reporting to facilitate meta-analytical exercises. We also provide a database summarising the available literature, which will help to build quantitative knowledge about interventions likely to yield the greatest impacts depending upon the subterranean species and habitats of interest. We view this as a starting point to shift away from the widespread tendency of recommending conservation interventions based on anecdotal and expert-based information rather than scientific evidence, without quantitatively testing their effectiveness.
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Affiliation(s)
- Stefano Mammola
- Laboratory for Integrative Biodiversity Research (LIBRe)Finnish Museum of Natural History (LUOMUS), University of HelsinkiPohjoinen Rautatiekatu 13Helsinki00100Finland
- Molecular Ecology Group (dark‐MEG)Water Research Institute (IRSA), National Research Council (CNR)Largo Tonolli, 50Verbania‐Pallanza28922Italy
| | - Melissa B. Meierhofer
- BatLab Finland, Finnish Museum of Natural History Luomus (LUOMUS)University of HelsinkiPohjoinen Rautatiekatu 13Helsinki00100Finland
| | - Paulo A.V. Borges
- cE3c—Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group / CHANGE – Global Change and Sustainability InstituteUniversity of Azores, Faculty of Agrarian Sciences and Environment (FCAA), Rua Capitão João d'ÀvilaPico da Urze, 9700‐042 Angra do HeroísmoAzoresPortugal
| | - Raquel Colado
- Departament of Ecology and HidrologyUniversity of MurciaMurcia30100Spain
| | - David C. Culver
- Department of Environmental ScienceAmerican University4400 Massachusetts Avenue, N.WWashingtonDC20016U.S.A.
| | - Louis Deharveng
- Institut de Systématique, Evolution, Biodiversité (ISYEB), CNRS UMR 7205, MNHN, UPMC, EPHEMuseum National d'Histoire Naturelle, Sorbonne UniversitéParisFrance
| | - Teo Delić
- SubBio Lab, Department of Biology, Biotechnical FacultyUniversity of LjubljanaJamnikarjeva 101Ljubljana1000Slovenia
| | - Tiziana Di Lorenzo
- Research Institute on Terrestrial Ecosystems (IRET‐CNR), National Research CouncilVia Madonna del Piano 10, 50019 Sesto FiorentinoFlorenceItaly
| | - Tvrtko Dražina
- Division of Zoology, Department of BiologyFaculty of Science, University of ZagrebRooseveltov Trg 6Zagreb10000Croatia
- Croatian Biospeleological SocietyRooseveltov Trg 6Zagreb10000Croatia
| | - Rodrigo L. Ferreira
- Center of Studies in Subterranean Biology, Biology Department, Federal University of LavrasCampus universitário s/n, Aquenta SolLavrasMG37200‐900Brazil
| | - Barbara Fiasca
- Department of Life, Health and Environmental SciencesUniversity of L'AquilaVia Vetoio 1, CoppitoL'Aquila67100Italy
| | - Cene Fišer
- SubBio Lab, Department of Biology, Biotechnical FacultyUniversity of LjubljanaJamnikarjeva 101Ljubljana1000Slovenia
| | - Diana M. P. Galassi
- Department of Life, Health and Environmental SciencesUniversity of L'AquilaVia Vetoio 1, CoppitoL'Aquila67100Italy
| | - Laura Garzoli
- Molecular Ecology Group (dark‐MEG)Water Research Institute (IRSA), National Research Council (CNR)Largo Tonolli, 50Verbania‐Pallanza28922Italy
| | - Vasilis Gerovasileiou
- Department of Environment, Faculty of EnvironmentIonian University, M. Minotou‐Giannopoulou strPanagoulaZakynthos29100Greece
- Hellenic Centre for Marine Research (HCMR), Institute of Marine BiologyBiotechnology and Aquaculture (IMBBC)Thalassocosmos, GournesCrete71500Greece
| | - Christian Griebler
- Department of Functional and Evolutionary Ecology, Division of LimnologyUniversity of ViennaDjerassiplatz 1Vienna1030Austria
| | - Stuart Halse
- Bennelongia Environmental Consultants5 Bishop StreetJolimontWA6014Australia
| | | | - Marco Isaia
- Department of Life Sciences and Systems BiologyUniversity of TurinVia Accademia Albertina, 13TorinoI‐10123Italy
| | - Joseph S. Johnson
- Department of Biological SciencesOhio University57 Oxbow TrailAthensOH45701U.S.A.
| | - Ana Komerički
- Croatian Biospeleological SocietyRooseveltov Trg 6Zagreb10000Croatia
| | - Alejandro Martínez
- Molecular Ecology Group (dark‐MEG)Water Research Institute (IRSA), National Research Council (CNR)Largo Tonolli, 50Verbania‐Pallanza28922Italy
| | - Filippo Milano
- Department of Life Sciences and Systems BiologyUniversity of TurinVia Accademia Albertina, 13TorinoI‐10123Italy
| | - Oana T. Moldovan
- Emil Racovita Institute of SpeleologyClinicilor 5Cluj‐Napoca400006Romania
- Romanian Institute of Science and TechnologySaturn 24‐26Cluj‐Napoca400504Romania
| | - Veronica Nanni
- Department of Life Sciences and Systems BiologyUniversity of TurinVia Accademia Albertina, 13TorinoI‐10123Italy
| | - Giuseppe Nicolosi
- Department of Life Sciences and Systems BiologyUniversity of TurinVia Accademia Albertina, 13TorinoI‐10123Italy
| | - Matthew L. Niemiller
- Department of Biological SciencesThe University of Alabama in Huntsville301 Sparkman Drive NWHuntsvilleAL35899U.S.A.
| | - Susana Pallarés
- Departamento de Biogeografía y Cambio GlobalMuseo Nacional de Ciencias Naturales, CSICCalle de José Gutiérrez Abascal 2Madrid28006Spain
| | - Martina Pavlek
- Croatian Biospeleological SocietyRooseveltov Trg 6Zagreb10000Croatia
- Ruđer Bošković InstituteBijenička cesta 54Zagreb10000Croatia
| | - Elena Piano
- Department of Life Sciences and Systems BiologyUniversity of TurinVia Accademia Albertina, 13TorinoI‐10123Italy
| | - Tanja Pipan
- ZRC SAZUKarst Research InstituteNovi trg 2Ljubljana1000Slovenia
- UNESCO Chair on Karst EducationUniversity of Nova GoricaGlavni trg 8Vipava5271Slovenia
| | | | - Andrea Santangeli
- Research Centre for Ecological Change, Organismal and Evolutionary Biology Research ProgrammeUniversity of HelsinkiViikinkaari 1Helsinki00014Finland
| | - Susanne I. Schmidt
- Institute of Hydrobiology, Biology Centre CASNa Sádkách 702/7České Budějovice370 05Czech Republic
- Department of Lake ResearchHelmholtz Centre for Environmental ResearchBrückstraße 3aMagdeburg39114Germany
| | - J. Judson Wynne
- Department of Biological SciencesCenter for Adaptable Western Landscapes, Box 5640, Northern Arizona UniversityFlagstaffAZ86011U.S.A.
| | - Maja Zagmajster
- SubBio Lab, Department of Biology, Biotechnical FacultyUniversity of LjubljanaJamnikarjeva 101Ljubljana1000Slovenia
| | - Valerija Zakšek
- SubBio Lab, Department of Biology, Biotechnical FacultyUniversity of LjubljanaJamnikarjeva 101Ljubljana1000Slovenia
| | - Pedro Cardoso
- Laboratory for Integrative Biodiversity Research (LIBRe)Finnish Museum of Natural History (LUOMUS), University of HelsinkiPohjoinen Rautatiekatu 13Helsinki00100Finland
- cE3c—Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group / CHANGE – Global Change and Sustainability InstituteUniversity of Azores, Faculty of Agrarian Sciences and Environment (FCAA), Rua Capitão João d'ÀvilaPico da Urze, 9700‐042 Angra do HeroísmoAzoresPortugal
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Hose GC, Chariton A, Daam MA, Di Lorenzo T, Galassi DMP, Halse SA, Reboleira ASPS, Robertson AL, Schmidt SI, Korbel KL. Invertebrate traits, diversity and the vulnerability of groundwater ecosystems. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- G. C. Hose
- Department of Biological Sciences Macquarie University NSW 2109 Australia
| | - A. Chariton
- Department of Biological Sciences Macquarie University NSW 2109 Australia
| | - M. A. Daam
- CENSE ‐ Center for Environmental and Sustainability Research NOVA School of Science and Technology NOVA University Lisbon, 2829‐516 Caparica Portugal
| | - T. Di Lorenzo
- Research Institute on Terrestrial Ecosystems of the National Research Council Via Madonna del Piano 10, 50019, Sesto Fiorentino Firenze Italy
- Emil Racovita Institute of Speleology Romanian Academy, Clinicilor 5, Cluj Napoca 400006 Romania
| | - D. M. P. Galassi
- Department of Life, Health and Environmental Sciences University of L'Aquila Via Vetoio, Coppito, 67100 L'Aquila Italy
| | - S. A. Halse
- Bennelongia Environmental Consultants, Jolimont WA 6014 Australia
| | - A. S. P. S. Reboleira
- Centre for Ecology, Evolution and Environmental Changes (cE3c), Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa Lisbon Portugal
- Natural History Museum of Life and Health Sciences Denmark and University of Copenhagen Universitetsparken 15, 2100 Copenhagen Denmark
| | - A. L. Robertson
- School of Life and Health Sciences University of Roehampton, Holybourne Avenue, London SW15 4JD UK
| | - S. I. Schmidt
- Biology Centre of the Czech Academy of Sciences Institute of Hydrobiology Na Sádkách 7, 37005 České Budějovice Czech Republic
- Present address: Department of Lake Research, Helmholtz Centre for Environmental Research Magdeburg Germany
| | - K. L. Korbel
- Department of Biological Sciences Macquarie University NSW 2109 Australia
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Becher J, Englisch C, Griebler C, Bayer P. Groundwater fauna downtown - Drivers, impacts and implications for subsurface ecosystems in urban areas. JOURNAL OF CONTAMINANT HYDROLOGY 2022; 248:104021. [PMID: 35605354 DOI: 10.1016/j.jconhyd.2022.104021] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/07/2022] [Accepted: 05/01/2022] [Indexed: 06/15/2023]
Abstract
Groundwater fauna (stygofauna) comprises organisms that have adapted to the dark subterranean environment over a course of thousands and millions of years, typically having slow metabolisms and long life cycles. They are crucial players in the groundwater of oxygenic aquifers, and contribute to various ecosystem services. Today's knowledge of their sensitivity to anthropogenic impacts is incomplete and a critical analysis of the general relevance of local findings is lacking. In this review, we focus on those areas with the highest interference between humans and stygofauna: cities. Here is where local pollution by various contaminants and heat strongly stresses the unique groundwater ecosystems. It is demonstrated that it is difficult to discern the influence of individual factors from the findings reported in field studies, and to extrapolate laboratory results to field conditions. The effects of temperature increase and chemical pollution vary strongly between tested species and test conditions. In general, previous findings indicate that heating, especially in the long-term, will increase mortality, and less adapted species are at risk of vanishing from their habitats. The same may be true for salinity caused by road de-icing in cold urban areas. Furthermore, high sensitivities were shown for ammonium, which will probably be even more pronounced with rising temperatures resulting in altered biodiversity patterns. Toxicity of heavy metals, for a variety of invertebrates, increases with time and chronic exposure. Our current knowledge reveals diverse potential impacts on groundwater fauna by urban pollution, but our insights gained so far can only be validated by standardized and long-term test concepts.
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Affiliation(s)
- Julia Becher
- Martin Luther University Halle-Wittenberg, Institute of Geosciences and Geography, Department of Applied Geology, Von-Seckendorff-Platz 3, 06120 Halle, Germany.
| | - Constanze Englisch
- University of Vienna, Department of Functional and Evolutionary Ecology, Division of Limnology, Djerassiplatz 1, 1030 Vienna, Austria
| | - Christian Griebler
- University of Vienna, Department of Functional and Evolutionary Ecology, Division of Limnology, Djerassiplatz 1, 1030 Vienna, Austria
| | - Peter Bayer
- Martin Luther University Halle-Wittenberg, Institute of Geosciences and Geography, Department of Applied Geology, Von-Seckendorff-Platz 3, 06120 Halle, Germany
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Abstract
We carried out an overview of the studies on the traits of the meiofauna of the littoral zone of lakes to investigate the question relating to the Raunkiaeran shortfall (lack of knowledge on biological traits). For this purpose, we selected a series of keywords associated with response and effect traits (feeding habits, locomotion and substrate relation, body size, shape and mass, life history, reproductive strategy, respiration and thermal tolerance) and we counted the relative frequency of occurrence in a set of scientific papers retrieved from Web of Science. The results showed that, except for the traits related to diet and feeding habits, the Raunkiaeran shortfall is very pronounced for all meiofaunal taxa of the littoral zone of lakes, especially for those related to soft-bodied organisms. The reason behind this deficiency concerns many aspects ranging from the high taxonomic expertise required to the intrinsic difficulties of observing organisms of such a small size. The relationship with temperature has not been sufficiently explored and formalized in any of the examined traits; this research aspect needs to be rapidly addressed since the prospects of climate change impacts on lake littorals are expected to be particularly severe.
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