| 茂兰保护区板寨河头原生林与小七孔卧龙坝次生林物种多样性比较 |
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| 引用本文： | 熊志斌,令狐克鸿,覃汉标,赵敏,曾成,刘再华.茂兰保护区板寨河头原生林与小七孔卧龙坝次生林物种多样性比较[J].贵州科学,2010,28(2). |
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| 作者姓名： | 熊志斌 令狐克鸿 覃汉标 赵敏 曾成 刘再华 |
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| 作者单位： | 贵州茂兰国家级自然保护区管理局 荔波县林业局 中国科学院贵阳地球化学研究所环境地球化学重点实验室 中国地质科学院岩溶地质研究所国土资源部岩溶动力学重点实验室 |
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| 基金项目： | 科技部科研院所社会公益研究专项，贵州省科学技术基金 |
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| 摘 要： | 研究了茂兰保护区板寨河头原生林与小七孔卧龙坝次生林的物种多样性,分别利用物种丰富度指数(R1)、Shannon-Wiener指数(H′)、Pielou均匀度指数(J)作了比较。结果表明原生林的物种丰富度为12.3209,Shannon-Wiener指数为6.2311,均匀度为0.8804;人为干扰后的卧龙坝次生林的各项物种多样性指数值比原生林高,分别为15.3087、6.6161、0.8966,其中乔木层与灌木层起的作用较大。利用群落优势度(λ)衡量了两个群落的稳定性,结果表明板寨原生林的群落优势度高于卧龙坝次生林。而卧龙坝次生林群落,由于阳性树种的入侵,已经占据群落顶层,一些阴性乔木待恢复,在演替过程中,群落物种多样性的增加是生态系统对外界轻度干扰的一种适应,是恢复生态系统稳定的一种对策。
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| 关 键 词： | 茂兰保护区 物种多样性 原生林 次生林 群落优势度 |
Studies on Species Diversity of Karst Original Forest in Banzhai of Maolan Nature Reserve and Secondary Forest of Wuolongba in Xiaoqikong |
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| XIONG Zhi-bin,LINGHU Ke-hong,QIN Han-biao,ZHAO Ming,ZEN Cheng,LIU Zai-hua.Studies on Species Diversity of Karst Original Forest in Banzhai of Maolan Nature Reserve and Secondary Forest of Wuolongba in Xiaoqikong[J].Guizhou Science,2010,28(2). |
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| Authors: | XIONG Zhi-bin LINGHU Ke-hong QIN Han-biao ZHAO Ming ZEN Cheng LIU Zai-hua |
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| Institution: | (3) (1 Management Department of maolan National Nature Reserve; Libo Guizhou 558400; China; 2 Forestry Bureau of Libo Guizhou; 3 State Key Laboratory of Environmental Geochemistry; Institute of Geochemistry; CAS; Guiyang 550002; 4 Institute of Karst Geology; CAGS; Karst Dynamics laboratory; MLR; Guilin; Guangxi 541004; China); |
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| Abstract: | The species diversity of the Banzhai closed stable forest and the Wuolongba secondary forest have been studied by using species richness index(R_1),Shannon -Wiener index(H ),Pielou evenness(J) in the Maolan National Nature Reserve. The results showed that the R_1,H and J of the closed forest were 12.3209,6.231 land 0.88049 respectively. The indices of species diversity in the secondary forest were 15.3087,6.6161 and 0.8966 respectively,higher than those in the closed forest,especially in the arbor layer an... |
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| Keywords: | Maolan National Nature Reserve species diversity closed stable forest secondary forest community dominance index |
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