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热带森林群落土壤种子库对海拔梯度的响应
Alternative TitleResponses of soil seed banks in tropical forests to an elevational gradient
张敏; 宋晓阳
2015
Source Publication生态学杂志
ISSN1000-4890
Volume34Issue:9Pages:2390-2400
Abstract在西双版纳海拔800~1400 m的热带森林中,设置海拔梯度垂直样带和样地,研究热带森林群落土壤种子库对海拔梯度的响应。结果发现:(1)土壤种子库的密度和物种丰富度在海拔800 m最大,分别为105401578粒? m~(-2)和71个种,最小的土壤种子库密度和物种丰富度则分别出现在海拔1400 m和1200 m。基于Bray-Curtis相似性系数,对4个海拔的土壤种子库物种进行了NMDS排序,发现不同海拔土壤种子库物种组成存在显著的空间分异。(2)土壤种子库中的异质性成分丰富度也因海拔不同存在差异,海拔800 m有9个异质性成分种,海拔1400 m只有5个;而异质性成分种的多度却在海拔1200 m最大。(3)土壤种子库与地上植被的相似性在4个海拔带都低于15%。研究表明,海拔变化对土壤种子库的密度、物种组成格局都能产生显著影响。
Department其他
Language中文
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10638
Collection森林生态研究组
Recommended Citation
GB/T 7714
张敏,宋晓阳. 热带森林群落土壤种子库对海拔梯度的响应[J]. 生态学杂志,2015,34(9):2390-2400.
APA 张敏,&宋晓阳.(2015).热带森林群落土壤种子库对海拔梯度的响应.生态学杂志,34(9),2390-2400.
MLA 张敏,et al."热带森林群落土壤种子库对海拔梯度的响应".生态学杂志 34.9(2015):2390-2400.
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