Search for dissertations about: "ecological degradation"
Showing result 1 - 5 of 60 swedish dissertations containing the words ecological degradation.
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1. Management Practices for Dealing with Uncertainty and Change : Social-Ecological Systems in Tanzania and Madagascar
Abstract : The development of human societies rests on functioning ecosystems. This thesis builds on integrated theories of linked social-ecological systems and complex adaptive systems to increase the understanding of how to strengthen the capacity of ecosystems to generate services that sustain human well-being. READ MORE
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2. Ecological rehabilitation of degraded hill slopes in southern Wello, Ethiopia
Abstract : Clearing of vegetation has left large areas of southern Wello (Ethiopia) at a high risk ofland degradation. In this study, the causes, extent and consequences of land degradationproblems are reviewed. To see land cover changes, aerial photographs from 1958 and1986 were compared with the help of a GIS procedure. READ MORE
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3. Plant ecological studies related to restoration of a degraded ecosystem in central Tanzania
Abstract : Kondoa Irangi area is among the most degraded ecosystems in Central Tanzania as a result of heavygrazing, fire, collection of fuelwood and improper cultivation practices. The restoration process of thisdegraded ecosystem through natural regeneration is slowed by the semi-arid climate of the area combinedwith poor soil nutrient status. READ MORE
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4. Pastoralists and the Environmental State : A study of ecological resettlement in Inner Mongolia, China
Abstract : China's quest for sustainable development has given birth to a set of contested ‘ecological construction’ programmes. Focusing on ‘ecological resettlement’, a type of policy measure in a programme for restoring degraded grasslands, this thesis sets out a critical analysis in opposition to the dominant technical and managerial approaches to understanding environmentalisation. READ MORE
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5. A Procedure for Ecological Tiered Assessment of Risks (PETAR)
Abstract : Institutions in developed countries have proposed several Ecological Risk Assessment (ERA) procedures, and the majority of study cases have been carried out there. The use of (often expensive) existing ERA procedures in developing countries is questionable given their limited resources and scarce background information of relevance for risk assessments. READ MORE