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Registros recuperados: 3
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Biological Diversity and Resilience: Lessons from the Recovery of Cichlid Species in Lake Victoria Ecology and Society
Awiti, Alex O; The Aga Khan University, Faculty of Arts and Sciences (East Africa); aawiti@gmail.com.
Tipo: Peer-Reviewed Synthesis Palavras-chave: Eutrophication; Lake Victoria; Nile perch; Recovery of haplochromine cichlids; Resilience; Response diversity.
Ano: 2011
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Quantifying Biodiversity for Building Resilience for Food Security in Urban Landscapes: Getting Down to Business Ecology and Society
Polasky, Steven; Department of Applied Economics, University of Minnesota ; polasky@umn.edu.
A steady stream of ecosystem services is essential for human welfare and survival, and it has been convincingly shown that these flows are being eroded. Compelling theoretical knowledge about essential connections between ecosystem service generation, biodiversity, and resilience in social-ecological systems already exists; however, we still, to a great extent, lack spatially explicit quantitative assessments for translating this theoretical knowledge into practice. We propose an approach for measuring the change in flow and resilience of a regulating ecosystem service on a landscape scale over time when the landscape is exposed to both land use change due to urban expansion, and change in a large-scale economic driver. Our results quantitatively show...
Tipo: Peer-Reviewed Reports Palavras-chave: Ecosystem services; Food security; Functional diversity; Pollination; Resilience; Response diversity; Urban ecology.
Ano: 2010
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Scenarios for Ecosystem Services: An Overview Ecology and Society
Carpenter, Stephen R; University of Wisconsin-Madison; srcarpen@wisc.edu; Bennett, Elena M; University of Wisconsin-Madison; embennett@wisc.edu; Peterson, Garry D; McGill University; garry.peterson@mcgill.ca.
The Millennium Ecosystem Assessment (MA) scenarios address changes in ecosystem services and their implications for human well-being. Ecological changes pose special challenges for long-term thinking, because of the possibility of regime shifts that occur rapidly yet alter the availability of ecosystem services for generations. Moreover, ecological feedbacks can intensify human modification of ecosystems, creating a spiral of poverty and ecosystem degradation. Such complex dynamics were evaluated by a mixture of qualitative and quantitative analyses in the MA scenarios. Collectively, the scenarios explore problems such as the connections of poverty reduction and ecosystem services, and trade-offs among ecosystem services. Several promising approaches are...
Tipo: Peer-Reviewed Reports Palavras-chave: Adaptive governance; Ambiguity; Ecological change; Ecosystem services; Poverty reduction; Regime shift; Resilience; Response diversity; Scenarios uncertainty.
Ano: 2006
Registros recuperados: 3
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