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The Effects Of Wild Pigs (Sus Scrofa) On Woody Understory Vegetation In Lowland Rain Forest Of Malaysia, Kalan Leonard Ickes
The Effects Of Wild Pigs (Sus Scrofa) On Woody Understory Vegetation In Lowland Rain Forest Of Malaysia, Kalan Leonard Ickes
LSU Doctoral Dissertations
An increasingly urgent task in the field of conservation biology is to identify changes in abiotic and biotic interactions that result when large areas of forest are converted to small fragments surrounded by anthropogenic landscapes. My research, conducted in lowland dipterocarp rain forest at the 2,500-ha Pasoh Forest Reserve in Peninsular Malaysia, investigated a novel but strongly negative edge effect - namely, a tremendous increase in the density of wild pigs (Sus scrofa) and the resulting deleterious impacts on the understory plant community. The absence of feline predators due to the small size of the reserve and the presence of …
Long-Term Aspen Exclosures In The Yellowstone Ecosystem, Charles E. Kay
Long-Term Aspen Exclosures In The Yellowstone Ecosystem, Charles E. Kay
Aspen Bibliography
Aspen has been declining in the Yellowstone Ecosystem for more than 80 years. Some authors have suggested that aspen is a marginal plant community in Yellowstone and that recent climatic variation has adversely affected aspen, while others contend that excessive browsing by native ungulates is primarily responsible for aspen’s widespread decline. To test these hypotheses, I measured all the long-term aspen exclosures (n = 14) in the Yellowstone Ecosystem. Aspen stands inside all exclosures successfully produced new stems greater than 2 m tall without fire or other disturbance, while few outside stands successfully regenerated due to repeated browsing. Understory species …