Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"arctic ecosystem"”.
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Influence of muskox carcasses on soil nutrients and vegetation in a High Arctic ecosystem in northeast Greenland
Hræ stórra spendýra geta haft veruleg áhrif á jarðveg og gróður þar sem þau falla til, einkum sökum aukinnar næringarefnaákomu. Slík áhrif eru sérstaklega mikilvæg í næringarsnauðum vistkerfum, s.s. freðmýrum, þar sem aukið framboð næringarefna getur haft langvarandi áhrif. Rannsóknir á þessum …
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Parasite-host interactions in an arctic goose colony
The arctic is currently experiencing some of the greatest rates of warming. Newly emerging diseases in the arctic are of particular interest due to the implications these may have at southern latitudes if temperatures continue to rise around the globe. It is important to document changes in …
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High-resolution spatio-temporal quantification of fish predator-prey interactions over ecosystem scales with multispectral underwater sensing and optimality of human visual perception with natural daylight
Marine ecosystems face simultaneous pressures from human activities, ocean industrialization, potential global warming and changing habitats. Continuous monitoring of marine biodiversity and ecosystem processes is needed to assess the individual fish species survivability in such conditions. The …
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Nitrogen uptake patterns by snow addition in a sub-Arctic dry heath tundra ecosystem
The Arctic heath tundra ecosystem is undergoing rapid transformations driven by climate change,which particularly affectssnow accumulation and the length of the growing season. In this study, I examined the influence of snow depth on parameters such as water content, soil temperature, microbial …