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浏览/检索结果: 共1条，第1-1条 帮助 限定条件 学科主题：This paper presents a study on species diversity and its ecological service function in the plateau area in western Sichuan. The results show that species diversity in the plantations on the cutover land has a tendency to increase and that its ecological service function is to be improved with stand age growing. The species diversity in forest communities is also gradually increased on different succession stage till reaching a climax level. But the species diversity in the climax community is slightly decreased before it reaches a relatively constant status. Ecological service function of diversity is gradually strengthened with the progress of succession. In addition, species diversity in a stand in a similar site and at a same age differs among forest types. Species diversity index within a coniferous and broad-leaved mixed forest is larger than that within a coniferous forest. Meanwhile, species diversity enriches as the tree density increases     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 A Study on Forest Species Diversity and Its Ecological Service Function in the Plateau Area of Western Sichuan 期刊论文 Wuhan University Journal of Natural Sciences, 2003, 卷号: 8, 期号: 3B, 页码: 975-980 作者:  Deng Yu-lin;  Wang Yu-kuan;  Peng Pei-hao 收藏  |  浏览/下载：13/0  |  提交时间：2015/07/08 bio-diversity  ecological service function  plateau area  western Sichuan