CRB: Population Viability and Biodiversity Following Rainforest Fragmentation

WPC 2 U B P V ` 10cpi | X ? x x x， K x 6 X @ 8 ; X @ 盖勒埃德蒙兹盖勒埃德蒙兹 2 3英尺 3英尺 3英尺 3英尺 4 D L ! 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 3英尺 ! # X \ P C X P编号 9300182伍德拉夫这个项目的目的是调查雨林破碎化后灭绝的原因。 在泰国，一个水电站水库于1987年蓄水，留下162片雨林碎片，成为Chiew Larn水库中的岛屿。 自1990年以来，我们已经监测了这种栖息地破碎化的影响，在这些现在孤立的栖息地补丁的12种小型地面居住的哺乳动物的种群生存能力。 我们发现栖息地破碎化导致快速的局部灭绝，并正在调查导致某些物种灭绝的因素。 这就需要研究遗传变异和哺乳动物本身与其食物资源（植物和昆虫）之间的种间相互作用。 这是第一项研究，以审查生态和遗传影响的雨林片段化哺乳动物在第一个十年后，栖息地改变。我们正在监测的小型哺乳动物是大型哺乳动物的模型，这些哺乳动物通常是野生动物保护工作的重点，也是森林生态系统功能的一般指标。 该项目在整个潮湿的热带地区具有很大的普遍性，那里的森林因发展项目和开发而支离破碎。 我们的研究的政策含义是，分散的森林需要密集的管理，如果他们要为后代提供生态服务和生物资源。 # D \ P C P编号 # X \ P C X P编号

WPC 2 U B P V ` Courier 10cpi | x ? x x x , k x 6 X @ 8 ; X @ Gayle Edmonds Gayle Edmonds 2 3 ' 3 ' 3 ' 3 ' 4 D L ! 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' 3 ' ! # x \ P C X P# 9300182 Woodruff The objective of this project is to investigate the causes of extinction following rain forest fragmentation. In Thailand, a hydroelectric reservoir filled in 1987 and left 162 rain forest fragments as islands in Chiew Larn reservoir. Since 1990 we have monitored the effects of this habitat fragmentation on the population viability of 12 species of small ground dwelling mammals in these now isolated habitat patches. We find that habitat fragmentation leads to rapid local extinction and are investigating the factors causing extirpation of some species. This entails studies of genetic variability and of inter specific interactions between the mammals themselves and their food resources (plants and insects). This is the first study to examine both ecological and genetic effects of rain forest fragmentation on mammals in the first decade following habitat alteration. %%% The small mammals we are monitoring serve as models of larger mammals that are usually the focus of wildlife conservation efforts and as general indicators of forest ecosystem functioning. The project has great generality throughout the humid tropics where forests are being fragmented by development projects and exploitation. The policy implications of our research are that fragmented forests require intensive management if they are to provide ecological services and biological resources for future generations. # d \ P C P# # x \ P C X P#