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Stability analysis of four different forest communities in suburbs of Suzhou
Author(s): XIAO Wenya, ZHOU Qi, DONG Wuchuang, GUAN Qingwei
Pages: 939-
944
Year: 2014
Issue:
6
Journal: Journal of Anhui Agricultural University
Keyword: Ilex purpurea and Pinus elliottii mixed forest; Quercus and P.elliottii mixed forest; P.elliottii forest; Schima superba forest; stability index;
Abstract: 稳定性是一个评价群落结构与功能的指标,一直是生态学研究的热点.本文依据林分地上部分指标建立稳定体系,对苏州近郊4种人工林分,应用数学生态学方法,分析冬青针阔混交林、栎树针阔叶混交林、湿地松林和木荷林的林分稳定性.结果表明,多样性并不完全能够代表稳定性;4种林分群落稳定性主要因林分密度不同而异;稳定性依次为湿地松林>冬青湿地松林>栎树湿地松林>木荷林.其中湿地松林可能会发展成为针阔混交林;木荷林中在生长过程中会因竞争产生限制,可能演替形成栎树—木荷混交林;2种针阔混交林在未来演替也可能向落叶阔叶、常绿阔叶混交林发展;该地区木荷林密度过大,稳定性较弱,应采取适当的抚育措施,提高其林分稳定性.
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