腾格里沙漠东南缘不同生境油蒿种群的数量动态

来源 :中国沙漠 | 被引量 : 3次 | 上传用户：minlu123

【摘要】

：

对腾格里沙漠东南缘不同的生境条件(包括始建于1964年的人工植被区和天然植被区)下油蒿(Artemisia ordosica)种群调查取样,按照植株的体积大小分为7个龄级(Ⅰ,0~2cm3;Ⅱ,2~5cm3;Ⅲ,5~10cm3;Ⅳ,10~15cm3;Ⅴ,15~20cm3;Ⅵ,20~30cm3;Ⅶ,>30cm3),分析了种群的组成、静态生命表和存活曲线。结果表明:人工植被区油蒿种群的总体规模大于天然

【作者】

：

张定海杨丽萍张志山

【出处】

：

中国沙漠

【发表日期】

：

2017年05期

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腾格里沙漠东南缘不同生境油蒿种群的数量动态

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