三峡库区消落带地表蜘蛛群落在不同土地类型下的分布特征
摘要
阱法调查三峡库区汉丰湖消落带林地、草地和农田的地表蜘蛛群落组成和结构特征。结果表明汉丰湖消落带地表蜘蛛共有
15 科,优势类群为狼蛛科,常见类群 4 科,稀有类群 10 科。从群落组成上看,林地共采集到 11 个科 847 只,其中 4 个特
有类群;草地共采集到 573 只,隶属于 8 科;农田共采集到 9 科 296 只,其中 3 个特有类群。从群落结构上看林地地表蜘
蛛的总数量和总种类均为最高,且总体上来说,林地在 5 月、7 月和 9 月的地表蜘蛛数量和种类均较高。因此,从本研究
数据结果来说,汉丰湖生态恢复工程造就的消落带林地,为地表蜘蛛群落提供了有利的生存环境,生态恢复工程提高了地
表蜘蛛群落的生物多样性。
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DOI: http://dx.doi.org/10.12361/2661-3786-06-01-131808
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