云南西双版纳不同林型的鸟类变化分析.PDF

26 3 Vol. 26 No. 3 998 5 JOURNAL OF NORTHEAST FORESTRY UNIVERSITY May 998 王 直军 ( , , 650223) Chris Carpenter (Division of Environmental Studies, University of California at Davis, California 956 6, USA) 云南西双版纳地区原始森林面积逐渐减小, 人口及人为活动不断增加, 鸟种趋 减少, 但各林型鸟种 变化有异同热带雨林和常绿阔叶林维持着多样的鸟种; 次生灌木林鸟类群落呈现动态发展的趋势; 原始热带森 林被毁坏后, 经重建而成的人工林, 特别是橡胶纯林中维持的鸟种类少, 鸟类群落组合也简单人工林中鸟类群落 抗干扰能力很弱, 在不利条件作用下, 鸟种类和数量减少更突出, 而且人工林中的鸟类还与大环境有关人工林的 多层次有利 维持较多的鸟种 西双版纳; 热带森林; 鸟类 S95917; 9581 Bird Compositions and Their Vicissitudes in Different Forest Habitats of Xishuangbanna, Yunnan/ Wang Zhijun ( Kunming Department, Xishuangbanna T ropical Botanic Garden, Academia Sinica, Kunming 650223, P. R. China) ; Chris Carpenter ( Division of Environmental Studies, U niversity of California at Davis, California 956 6, USA) / / Journal of Northeast Forestry U niversity. - 998, 26 ( 3) . - 7 ~ 75 Bird reduction w ith the increasing of people activities, deforestation and hunting, however, the vicissitudes are difference in different types of forests. Primary rainforest and evergreen forest still pre- serve more diverse species of birds, a clear dynamic of bird composition appears in the secondary bushy habitat. Bird reduce dramatically in rubber forest. The study shows that it is very important to main- tain the primary forest cover in Xishuangbanna, multi- layer economy forest can supply more prod- ucts, as well as benefit to protect bird diversity. Key words Xishuangbanna; Tropical forests; Birds 1 , , , , ( E 0 b05c ~