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Rojas-Castillo OA, Kepfer Rojas S, Juen L, Montag LFDA, Carvalho FG, Mendes TP, Chua KWJ, Wilkinson CL, Amal MNA, Fahmi-Ahmad M, Jacobsen D. Meta-analysis contrasting freshwater biodiversity in forests and oil palm plantations with and without riparian buffers. Conserv Biol 2024; 38:e14172. [PMID: 37650444 DOI: 10.1111/cobi.14172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 08/01/2023] [Accepted: 08/14/2023] [Indexed: 09/01/2023]
Abstract
The expansion of oil palm plantations has led to land-use change and deforestation in the tropics, which has affected biodiversity. Although the impacts of the crop on terrestrial biodiversity have been extensively reviewed, its effects on freshwater biodiversity remain relatively unexplored. We reviewed the research assessing the impacts of forest-to-oil palm conversion on freshwater biota and the mitigating effect of riparian buffers on these impacts. We searched for studies comparing taxa richness, species abundance, and community composition of macroinvertebrates, amphibians, and fish in streams in forests (primary and disturbed) and oil palm plantations with and without riparian buffers. Then, we conducted a meta-analysis to quantify the overall effect of the land-use change on the 3 taxonomic groups. Twenty-nine studies fulfilled the inclusion criteria. On average, plantations lacking buffers hosted 44% and 19% fewer stream taxa than primary and disturbed forests, respectively. Stream taxa on plantations with buffers were 24% lower than in primary forest and did not differ significantly from disturbed forest. In contrast, stream community composition differed between forests and plantations regardless of the presence of riparian buffers. These differences were attributed to agrochemical use and altered environmental conditions in the plantations, including temperature changes, worsened water conditions, microhabitat loss, and food and shelter depletion. On aggregate, abundance did not differ significantly among land uses because increases in generalist species offset the population decline of vulnerable forest specialists in the plantation. Our results reveal significant impacts of forest-to-oil palm conversion on freshwater biota, particularly taxa richness and composition (but not aggregate abundance). Although preserving riparian buffers in the plantations can mitigate the loss of various aquatic species, it cannot conserve primary forest communities. Therefore, safeguarding primary forests from the oil palm expansion is crucial, and further research is needed to address riparian buffers as a promising mitigation strategy in agricultural areas.
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Affiliation(s)
- Oscar Alberto Rojas-Castillo
- Freshwater Biology Section, Department of Biology, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Sebastian Kepfer Rojas
- Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
| | - Leandro Juen
- Laboratório de Ecologia e Conservação, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | | | | | - Thiago Pereira Mendes
- Programa de Pós-Graduação em Agricultura e Ambiente, Laboratório de Ciências Ambientais e Biodiversidade, Universidade Estadual do Maranhão, São Luís, Brazil
| | - Kenny Wei Jie Chua
- Department of Biological Sciences, National University of Singapore, Singapore, Republic of Singapore
| | - Clare L Wilkinson
- Department of Biological Sciences, National University of Singapore, Singapore, Republic of Singapore
| | | | - Muhammad Fahmi-Ahmad
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Terengganu, Malaysia
| | - Dean Jacobsen
- Freshwater Biology Section, Department of Biology, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
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da Silva Giehl NF, Fonseca PVB, Dias-Silva K, Mendes TP, Cabette HSR. Environmental and Seasonal Effects on Gerridae Assemblages (Heteroptera: Gerromorpha) from a Stream in Brazilian Savannah. Neotrop Entomol 2022; 51:376-385. [PMID: 35298776 DOI: 10.1007/s13744-022-00952-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
Our aim here was to assess the seasonal (dry, ebb, and rainy seasons), spatial (upstream, intermediate, and downstream), and environmental effects on the dynamics of Gerridae assemblages (Heteroptera: Gerromorpha) in a Cerrado stream, in central-western Brazil. We sampled the insects on the water line between May 2011 and April 2014 with an 18 cm diameter sieve. We used the scanning method in 100 m of stream in each sampled locality. We sampled 3690 individuals of 19 species. There was a seasonal difference in abundance, which was a result of a lower abundance in the rainy season, but this did not differ between different environments. The estimated species richness was lower upstream and in the rainy season. Species composition was different between the upstream and downstream portions. It was also different among all seasons, with the greatest difference occurring between the rainy and dry seasons. The abiotic factors were responsible for structuring the assemblages in different seasons. The observed differences among seasons in abundance, richness, and species composition have implications for conservation since changes in the structure of the vegetation in the stream edges change the hydrological cycle of streams, and consequently the diversity of the Gerridae assemblages. There was variation in richness and composition between such small distances (upstream and downstream). This shows how sensitive this system can be, and how important elements of the stream's trophic, with the Gerromorpha, can be easily altered.
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Affiliation(s)
- Núbia França da Silva Giehl
- Laboratório de Entomologia, Universidade do Estado de Mato Grosso - UNEMAT, Nova Xavantina, MT, Brazil
- Laboratório de Ecologia de Bentos, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Paula V B Fonseca
- Laboratório de Entomologia, Universidade do Estado de Mato Grosso - UNEMAT, Nova Xavantina, MT, Brazil
- Programa de Pós-Graduação em Ciências Ambientais, UNEMAT, Cáceres, MT, Brazil
| | - Karina Dias-Silva
- Programa de Pós-Graduação em Ecologia, PPGECO, Universidade Federal do Pará-UFPA, Belém, PA, Brazil
| | - Thiago Pereira Mendes
- Programa de Pós-Graduação em Agricultura e Ambiente - PPGAA, Universidade Estadual do Maranhão, Balsas, Maranhão, Brazil.
| | - Helena Soares Ramos Cabette
- Laboratório de Entomologia, Universidade do Estado de Mato Grosso - UNEMAT, Nova Xavantina, MT, Brazil
- Programa de Pós-Graduação em Ecologia e Conservação UNEMAT, Nova Xavantina, MT, Brazil
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de Sousa JRP, Mendes TP, da Silva Carvalho-Filho F, Juen L, Esposito MC. Diversity of Necrophagous Flies (Diptera: Calliphoridae, Mesembrinellidae, and Sarcophagidae) in Anthropogenic and Preserved Environments of Five Different Phytophysiognomies in Northeastern Brazil. Neotrop Entomol 2021; 50:537-550. [PMID: 33914274 DOI: 10.1007/s13744-021-00868-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 03/11/2021] [Indexed: 06/12/2023]
Abstract
The present study investigated the potential association between the richness and abundance of species of the dipteran families Calliphoridae, Mesembrinellidae, and Sarcophagidae in anthropogenic and preserved environments of five phytophysiognomies (Cerrado, Amazon forest, Palm forest, marshland, and mangrove) that occur throughout the state of Maranhão, in northeastern Brazil. We sampled 90 sites (45 preserved and 45 anthropogenic areas) where we collected 26,036 specimens: 15,023 calliphorids (11 species), 231 mesembrinellids (one species), and 10,772 sarcophagids (52 species). Four environmental factors, canopy openness, temperature, leaf litter depth, and vegetation height, contributed most to the separation of preserved and anthropogenic sites in all five phytophysiognomies. Leaf litter depth was positively associated with the species richness of the calliphorids and mesembrinellids (C+ M group), while tree/shrub density, vegetation height, and temperature were associated negatively with the richness of the sarcophagids. Tree/shrub density and vegetation height were also associated negatively with abundance in both C+M and sarcophagid species. Overall, then, the structural characteristics of the environment affected the species richness and abundance, and deforestation may favor certain synanthropic species, leading to a decrease in the richness and abundance of the species that are adapted to preserved environments.
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Affiliation(s)
- José Roberto Pereira de Sousa
- Univ Estadual do Maranhão, São Luís, MA, Brazil
- Programa de Pós-Graduação em Agricultura e Ambiente, Univ Estadual do Maranhão, Balsas, Maranhão, Brazil
| | - Thiago Pereira Mendes
- Univ Estadual do Maranhão, São Luís, MA, Brazil.
- Programa de Pós-Graduação em Agricultura e Ambiente, Univ Estadual do Maranhão, Balsas, Maranhão, Brazil.
| | - Fernando da Silva Carvalho-Filho
- Programa de Pós-Graduação em Zoologia, Univ Federal do Pará, Belém, PA, Brazil
- Depto de Zoologia,Coordenação de Zoologia - Entomologia, Museu Paraense Emilio Goeldi, Belém, PA, Brazil
| | - Leandro Juen
- Programa de Pós-Graduação em Zoologia, Univ Federal do Pará, Belém, PA, Brazil
- Instituto de Ciências Biológicas, Univ Federal do Pará, Belém, PA, Brazil
- Dept of Biology, Univ of Florida, Gainesville, FL, USA
| | - Maria Cristina Esposito
- Programa de Pós-Graduação em Zoologia, Univ Federal do Pará, Belém, PA, Brazil
- Instituto de Ciências Biológicas, Univ Federal do Pará, Belém, PA, Brazil
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Mendes TP, Luiza-Andrade A, Cabette HSR, Juen L. How Does Environmental Variation Affect the Distribution of Dragonfly Larvae (Odonata) in the Amazon-Cerrado Transition Zone in Central Brazil? Neotrop Entomol 2018; 47:37-45. [PMID: 28285400 DOI: 10.1007/s13744-017-0506-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Accepted: 02/20/2017] [Indexed: 06/06/2023]
Abstract
This study investigated the effects of environmental variation on assemblages of dragonfly larvae (Odonata). We hypothesize that there is a significant correlation between species richness, species composition, and abundance of Odonata individuals, and habitat integrity and abiotic variables. To test this hypothesis, we sampled odonate larvae at 12 streams in the Suiá-Miçú River basin in Mato Grosso, Brazil, during three different periods of the year. Local physical and chemical variables (temperature, pH, turbidity, electrical conductivity (EC), dissolved oxygen (DO), total dissolved solids (TDS), and oxidation reduction potential (ORP)) were measured at each site using a multi-parameter probe, and integrity was assessed using the Habitat Integrity Index (HII). The variation in richness, abundance, and composition of Odonata species was related to the environmental variables analyzed, primarily by the abiotic factors pH, electrical conductivity, dissolved oxygen, total dissolved solids, and oxidation reduction potential. Our hypothesis was corroborated for the suborder Anisoptera, which showed a significant relationship with these variables, whereas Zygoptera was only related to pH. Our results show the importance of physical and chemical conditions in ecological studies using Odonata larvae as tools for the management and conservation of freshwater ecosystems.
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Affiliation(s)
- T P Mendes
- Graduate Program in Zoology - PPGZOO, Univ Federal do Pará - UFPA e Museu Paraense Emílio Goeldi - MPEG, Rua Augusto Correia, No. 1 Bairro Guamá, 66.075-110, Belém, Pará, Brasil.
| | - A Luiza-Andrade
- Graduate Program in Zoology - PPGZOO, Univ Federal do Pará - UFPA e Museu Paraense Emílio Goeldi - MPEG, Rua Augusto Correia, No. 1 Bairro Guamá, 66.075-110, Belém, Pará, Brasil
| | - H S R Cabette
- Dept of Biological Sciences, Univ do Estado de Mato Grosso, Nova Xavantina, Mato Grosso, Brasil
| | - L Juen
- Graduate Program in Zoology - PPGZOO, Univ Federal do Pará - UFPA e Museu Paraense Emílio Goeldi - MPEG, Rua Augusto Correia, No. 1 Bairro Guamá, 66.075-110, Belém, Pará, Brasil
- Institute of Biological Sciences, Univ Federal do Pará - UFPA, Belém, Pará, Brasil
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Mendes TP, Oliveira-Junior JMB, Cabette HSR, Batista JD, Juen L. Congruence and the Biomonitoring of Aquatic Ecosystems: Are Odonate Larvae or Adults the Most Effective for the Evaluation of Impacts. Neotrop Entomol 2017; 46:631-641. [PMID: 28303462 DOI: 10.1007/s13744-017-0503-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 02/20/2017] [Indexed: 06/06/2023]
Abstract
Odonata have been widely used as indicators for the biomonitoring of terrestrial and aquatic habitats due to their sensitivity to environmental impacts. We aimed to determine whether the larval or adult phases of these insects were the best predictors of variation in habitat parameters and the loss of environmental integrity. Specimens were collected during three seasons (dry, rainy, and ebb) from 12 points in the Suiá-missu River basin, at the headwaters of the Xingu River in Mato Grosso, Brazil. The Protest analysis indicated a high degree of congruence between the assemblages of larvae and adults in streams with varying degrees of habitat integrity (R = 0.832, p < 0.001, m 2 = 0.307). When the congruence with environmental factors was analyzed, a significant association was found only for the larval phase (R = 0.318, p = 0.03, m 2 = 0.888). When the suborders were analyzed separately, congruence was confirmed for anisopteran adults (R = 0.338, p = 0.031, m 2 = 0.885) and larvae (R = 0.417, p = 0.003, m 2 = 0.826) and for the zygopteran adults (R = 0.345, p = 0.027, m 2 = 0.881) and larvae (R = 0.405, p = 0.011, m 2 = 0.836). These results indicate that both larvae and adults respond systematically to environmental impacts. We suggest that either life phase can be used for biomonitoring, given their effectiveness for the interpretation of disturbance in terrestrial and aquatic habitats. These findings further reinforce the effectiveness of this insect order for the detection of modifications to the environment, showing that they are good indicators of environmental conditions.
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Affiliation(s)
- T P Mendes
- Ecology and Conservation Lab, Graduate Program in Zoology, Univ Federal do Pará-UFPA, Museu Paraense Emilio Goeldi-MPEG, Belém, PA, Brasil.
| | - J M B Oliveira-Junior
- Ecology and Conservation Lab, Graduate Program in Zoology, Univ Federal do Pará-UFPA, Museu Paraense Emilio Goeldi-MPEG, Belém, PA, Brasil
| | - H S R Cabette
- Entomology Lab, Dept of Biology, Univ do Estado de Mato Grosso-UNEMAT, Nova Xavantina, MT, Brasil
| | - J D Batista
- Entomology Lab, Dept of Biology, Univ do Estado de Mato Grosso-UNEMAT, Nova Xavantina, MT, Brasil
| | - L Juen
- Ecology and Conservation Lab, Graduate Program in Zoology, Univ Federal do Pará-UFPA, Museu Paraense Emilio Goeldi-MPEG, Belém, PA, Brasil
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