Browsing Doctoral Dissertations by Subject "habitat"
Now showing items 1-4 of 4
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Applying ecological models to positive interactions among lotic fishes: implications for population and community regulation at multiple spatial scales
(Virginia Tech, 2015-05-06)Positive biotic interactions such as mutualism, commensalism and facilitation are ubiquitous in nature, but historically have received considerably less research attention than negative interactions such as competition, ... -
Ecology Of Non-Breeding And Breeding Crested Caracaras (Caracara cheriway) In Florida
(Virginia Tech, 2010-05-06)Like many species, Florida's population of Northern Crested Caracaras (Caracara cheriway, hereafter "caracara") is likely declining due to loss of breeding habitat. Consequently, management-oriented restrictions on landscape ... -
Habitat Requirements and Foraging Ecology of the Madagascar Fish-Eagle
(Virginia Tech, 1997-05-06)With a population estimate of 99 pairs, the Madagascar fish-eagle (Haliaeetus vociferoides) is one of the rarest birds of prey in the world. I investigated the ecological requirements of the Madagascar fish-eagle in 1994 ... -
Wetland hydrology and soils as components of Virginia bog turtle (Glyptemys muhlenbergii) habitat
(Virginia Tech, 2010-09-27)Reptile populations are in decline worldwide, with turtle species showing some of the largest drops in population. The bog turtle (Glyptemys muhlenbergii) is considered one of the rarest North American turtle species, and ...
