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露天煤矿生态复垦区刺槐+油松混交林下草本植物组成及空间分布格局

DOI: 10.3724/SP.J.1145.2012.00399, PP. 399-404

Keywords: 草本植物,物种组成,空间格局,安太堡露天煤矿

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Abstract:

以安太堡露天煤矿生态复垦区0.8hm2刺槐+油松混交林样地为研究平台,基于样地内320个1m×1m草本样方的调查数据,对复垦17年后草本层的物种组成、基本数量特征和空间分布等进行研究.结果表明:样地内草本层物种组成丰富,共调查到44种植物,隶属于16科30属,其中禾本科和菊科为优势科,黄花蒿、披碱草和大籽蒿为优势种,初期种植种无芒雀麦等退化严重;重要值、多度和频度在各科和各种之间差值较大;优势科和优势种分布广泛,但物种分布呈现出明显的空间异质性.

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