Search for dissertations about: "tropical agriculture"
Showing result 6 - 10 of 29 swedish dissertations containing the words tropical agriculture.
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6. Environmental Effects of Agricultural Expansion in the Upper Amazon : A study of river basin geochemistry and hydrochemistry, and farmers' perceptions
Abstract : In this thesis natural science is combined with environmental psychology in order to determine how deforestation and subsequent agricultural expansion in the Peruvian highland jungle has affected the natural environment and rural livelihoods. This region is part of one of the most biodiverse areas on Earth and is also exposed to high pressure from deforestation that threatens the ecosystems as well as the well-being of local populations. READ MORE
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7. Local baseline knowledge for conservation and restoration of degraded ecosystems in Ecuador
Abstract : Deforestation and land-use changes are a major threats to native ecosystem in many tropical countries, including Ecuador– one of the biodiversity hotspots in the world. In tropical Andean countries, natural ecosystems change over small spatial scales. READ MORE
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8. Timber as a forest-risk commodity: embodied socio-ecological impacts in the Brazilian supply chain
Abstract : The continued loss and degradation of forest resources is one of the largest sustainability challenges of our time. The past decades rise in global demand for agricultural and forest commodities have created unparalleled pressure on the natural resources, leading to forest destruction and associated loss in carbon stocks, invaluable biodiversity, ecosystems services, livelihoods. READ MORE
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9. Forest-savanna transitions: Understanding adaptation and resilience of the tropical forest ecosystems using remote sensing
Abstract : Climate and deforestation-induced changes in precipitation drive tropical forest-savanna transitions. However, precipitation alone provides a superficial understanding of the underlying mechanism behind these transitions. This is because our knowledge of how vegetation responds to changes in hydroclimate is fragmented. READ MORE
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10. Colletotrichum spp. associated with anthracnose disease on coffee in Vietnam and on some other major tropical crops
Abstract : The genus Colletotrichum consists of many economically important pathogenic fungi on a broad range of host plants world-wide. They cause significant economic losses to tropical crops: fruits, cereals, grasses, vegetables, etc., due to diseases at different stages of plant development. READ MORE