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 6 of 6 for “"Diversity gradient"”.
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Spatiotemporal patterns of insect diversity and multitrophic interactions across a tree diversity gradient
… entlang eines natürlichen Baumartendiverstätsgradienten untersucht, unter Berücksichtigung von Buchenreinbeständen bis hin zu hochdiversen Laubmischwäldern. Ziel der Arbeit war eine Analyse des Effekts von Baumartendiversität auf den Artenreichtum, die Gemeinschaftsstruktur und multitrophische …
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Comparative Phylogeography of Glassfrogs (Vitreorama) Endemic to the Brazilian Altantic Rainforest
… both climate and landscape in shaping current biodiversity patterns has been the focus of many recent phylogeographic studies. Here I explore multiple factors thought to have impacted the generation of local diversity in the Brazilian Atlantic Forest (AF) using two montane, stream-associated …
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COEXISTENCE, RESILIENCE AND RESISTANCE OF MARINE INVERTEBRATE COMMUNITIES ACROSS A LATITUDINAL GRADIENT
… processes underlying the patterns of species diversity and community structure across biogeographical scales is therefore vital, especially as humans increasingly modify these relationships established over the course of geological history. The latitudinal diversity gradient is the most …
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Paleoclimate and mammal paleocology during the paleocene of North America: insights from stable isotopes.
… patterns that exist today. Latitudinal gradients in Paleocene mammal species richness and body size differ from the patterns observed today among extant mammals. Differences between Paleocene and modern biogeographic patterns could be a function of unique Paleocene faunas with distinct …
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Bridging ecophysiological trade-offs and population dynamics - How competition and climate shape community structure
… of vegetation community structure and diversity patterns. To answer these research questions the model DIVE (Dynamics and Interactions of VEgetation) has been developed. It determines population dynamics of plant communities while calculating the abundances of each plant species …
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The evolution of freeze tolerance in a historically tropical snail
Geographic range differences among species may result from differences in their physiological tolerances. In the intertidal zone, marine and terrestrial environments intersect to create a unique habitat, across which physiological tolerance strongly influences range. The snail Melampus bidentatus …