]*>","")" /> Division on Degraded Successional Series of Seriphidium transillense Desert Grassland
Xinjiang Agricultural Sciences

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Division on Degraded Successional Series of Seriphidium transillense Desert Grassland

LIU Hong-lai;ZHU Jin-zhong;JIN Gui-li;FAN Yan-min;WANG Cai-hong;YANG Xing-wei   

  • Received:2007-02-25 Revised:2007-02-25 Online:2007-02-25 Published:2007-02-25

伊犁绢蒿荒漠草地退化演替序列的划分

刘洪来;朱进忠;靳瑰丽;范燕敏;王彩虹;杨兴伟   

  1. 新疆农业大学草业工程学院/新疆草地资源与生态重点实验室,乌鲁木齐,830052





摘要： 基于14个样地70个样方,运用聚类分析对研究区伊犁绢蒿(Seriphidium transillense)荒漠草地进行退化演替序列划分,并对其退化过程的阶段进行诊断.结果表明,伊犁绢蒿荒漠草地退化过程可以划分为四个阶段,即未退化、中度退化、重度退化和极度退化.随着退化程度的加剧,群落主要植物种的优势地位发生明显变化,其结果与野外观察一致.