Search for dissertations about: "top-down"
Showing result 6 - 10 of 247 swedish dissertations containing the word top-down.
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6. Anthropogenic impact on predator guilds and ecosystem processes : Apex predator extinctions, land use and climate change
Abstract : Humans affect ecosystems by changing species compositions, landscape and climate. This thesis aims to increase our understanding of anthropogenic effects on mesopredator abundance due to changes in apex predator status, landscape and climate. READ MORE
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7. Flipping the pyramid : lessons from converting top-down management of bleak-roe fishing
Abstract : The fishing of vendace (Coregonus albula), in the northern part of the Gulf of Bothnia, is a good illustration of the presumption that institutional arrangements which are too inflexible to cope with changing ecological conditions are unlikely to prosper. The aim of this thesis is to contribute to the development of a better understanding of governance in a relatively small and clearly defined, but complex common-pool resource system. READ MORE
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8. Modelling drivers of energy demand in the European Union building sector
Abstract : In the context of ongoing initiatives within the European Union (EU) to tackle global warming and to secure future energy supplies, the building sector is often cited as offering strong potential for energy savings. The primary aims of this thesis are to analyse the historical data related to EU building and to generate scenarios that highlight the technical and non-technical parameters that affect the energy demands (and thereby the potentials for savings) of the building sector. READ MORE
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9. Complexity and Change in a Simple Food Web : Studies in the Baltic Sea (FAO Area 27.IIId)
Abstract : An influence at one trophic level can result in dynamic impacts also on other components of a food web. These dynamics are known as trophic cascades, and can be both top-down and bottom-up. After a near-collapse of the Baltic cod Gadus morhua stock in the 1980s, its main prey sprat Sprattus sprattus increased dramatically. READ MORE
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10. Designing ASIC/FPGA with Top Down Design Flow and VDHL
Abstract : .... READ MORE