干旱区生态环境知识资源中心(Arid): 伊犁绢蒿退化荒漠草地植物种群生态位的变化特征

Arid

	伊犁绢蒿退化荒漠草地植物种群生态位的变化特征
其他题名	Plant population niche characteristics research of desert Seriphidium transiliense degradation grassland
	梁娜; 靳瑰丽; 安沙舟; 赛米拉克孜·台外库力; 迪丽努尔·玉苏甫江
来源期刊	草业科学
ISSN	1001-0629
出版年	2013
卷号	30 期号:12 页码:2059-2065
中文摘要	采用以空间序列代替时间序列的方法,运用Levins生态位宽度指数和Pianka生态位重叠指数及生态位相似比例,对伊犁绢蒿荒漠草地不同退化梯度间种群生态位宽度,生态位重叠与生态位相似比例进行一系列研究。结果表明,在不同退化梯度下,不同种群的生态位不同。随着退化演替的增强,建群种伊犁绢蒿(Seriphidium transiliense)及优势种叉毛蓬(Petrosimonia sibirica)的生态位宽度减少,其余大部分种群生态位宽度增大。在不同退化阶段叉毛蓬生态位宽度大于其他物种,且与弯果胡卢巴(Trigonella arcuata)物种间有较大的生态位重叠。在不同退化阶段,伊犁郁金香(Tulipa iliensis)与弯果胡卢巴生态位相似比例较高。随着退化演替的增强,生态位宽度较高的叉毛蓬和弯果胡卢巴的相似比值先增高后降低。
英文摘要	With the methods of space series substituting time series and of contrastive analysis, the niches of different degeneration gradients on desert Seriphidium transiliense degradation grassland were studied. The importance value, Levins niche breadth, Pianka niche overlapping indexes and niche similarity ratio were analyzed. With different degeneration gradients, the ecological niche was different in different populations. The niche width of constructive species of S. transiliense and the dominant species Petrosimonia sibirica decreased and that of the majority of remaining population was gradually increasing during the progress of the retrogressive succession. In different degradation stages, the niche breadth of P. sibiricais greater than the other species and there is large niche overlap between P. sibiricaspecies and Trigonella arcuata species;Tulipa iliensis and T. arcuatahave high niche similarity. During the progress of the retrogressive succession, the similarity ratio of P. sibiricaand T. arcuatahave higher niche breadth increased at the early stage and then reduce afterwards.
中文关键词	伊犁绢蒿 ; 生态位宽度 ; 生态位重叠 ; 生态位相似比例
英文关键词	Seriphidium transiliens niche breadth niche overlap niche similarity proportion
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:5068721
来源机构	新疆农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/229282
作者单位	新疆农业大学草业与环境科学学院, 乌鲁木齐, 新疆 830052, 中国
推荐引用方式 GB/T 7714	梁娜,靳瑰丽,安沙舟,等. 伊犁绢蒿退化荒漠草地植物种群生态位的变化特征[J]. 新疆农业大学,2013,30(12):2059-2065.
APA	梁娜,靳瑰丽,安沙舟,赛米拉克孜·台外库力,&迪丽努尔·玉苏甫江.(2013).伊犁绢蒿退化荒漠草地植物种群生态位的变化特征.草业科学,30(12),2059-2065.
MLA	梁娜,et al."伊犁绢蒿退化荒漠草地植物种群生态位的变化特征".草业科学 30.12(2013):2059-2065.