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Human wetland dependency and socio-economic evaluation of wetland functions through participatory approach in rural India

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Water Science and Engineering 2010年第4期3卷 467-479页

作者： Malabika BISWAS Nihar R.SAMAL Pankaj K.ROY Asis MAZUMDAR School of Water Resources Engineering Jadavpur University Department of Civil Engineering National Institute of Technology CUNY Institute for Sustainable Cities Hunter CollegeCity University of New York

wetlands are an important source of natural resources upon which rural economies depend. They have increasingly been valuable for their goods and services, and the intrinsic ecological value they provide to local populations, as well as people living outside the periphery of the wetlands. Stakeholders＇ participation is essential to the protection and preservation of wetlands because it plays a very important role economically as well as ecologically in the wetland system. The objective of this study was to determine whether gender, educational status, mouzas （which are constituents of a block according to the land reform of the West Bengal Government in India）, and wetland functions have any influence on the annual income of the local community. Considering a floodplain wetland in rural India, the focus was extended to recognize the pattern of wetland functions according to the nature of people＇s involvement through cluster analysis of the male and female populations. Using the statistical software R-2.8.1, an ANOVA （analysis of variance） table was constructed. Since the p value （significance level） was lower than 0.05 for each case, it can be concluded that gender, educational status, mouzas, and wetland functions have a significant influence on annual income. However, S-PLUS-2000 was applied to obtain a complete scenario of the pattern of wetland functions, in terms of involvement of males and females, through cluster analysis. The main conclusion is that gender, educational status, mouzas, and wetland functions have significant impacts on annual income, while the pattern of occupation of the local community based on wetland functions is completely different for the male and female populations.

关键词： wetland dependency socio-economic evaluation wetland functions rural India cluster analysis

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Assessment of the potential responses of ecosystem services to anthropogenic threats in the Eten wetland,Peru

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Ecosystem Health and Sustainability 2021年第1期7卷 215-231页

作者： Tania V.Rojas Karin Bartl Jorge D.Abad Department of Engineering Pontificia Universidad Católica Del PerúLimaPeruFormerlyUniversidad De Ingenieria Y Tecnologia-UTECLimaPeru Department of Education Research&DevelopmentRed YakuLimaPeru Peruvian Life Cycle Assessment and Industrial Ecology Network-PELCAN Department of EngineeringPontificia Universidad Católica Del PerúLimaPeru

Introduction:Coastal wetlands are currently threatened by human drivers,such as agriculture,infrastructure development,and urban *** on these ecosystems disturb their morphology and biogeochemical cycles,resulting in the degradation of ecosystem ***,little has been done to understand the wetland response to identify proper conservation *** the Peruvian coast,wetlands present a diversity of landscapes that face similar threats and pressures;however,the ecosystem response in each one may be ***:This study aims to assess the environmental impacts on ecosystem services based on the understanding of geomorphic features and the status of the Eten coastal wetland(Peru).Methods:The methodology combines the application of open-source GIS tools and the collection of field data to characterize the geomorphic settings and to analyze the changes in environmental ***,the main threats and pressures on the Eten wetland are defined and related to impacts on ecosystem services using a cause-effect ***:Overall,the results indicated that the river plays a vital role in defining the wetland landscape and *** biological diversity of aquatic habitats is disturbed by hydraulic structures and agricultural *** land use affects supporting and regulation services,such as water regulation.

关键词： Ecosystem services wetland functions human-environment interactions Eten wetland coastal management

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