鄱阳湖沙山单叶蔓荆(Vitex rotundifolia)叶性状沿沙化梯度变化特征

来源 :中国沙漠 | 被引量 : 2次 | 上传用户：huashu123

【摘要】

：

在鄱阳湖湖滨沙山沿沙化梯度测定了单叶蔓荆(Vitex rotundifolia)叶面积、比叶面积、叶氮、叶磷等指标,以阐明单叶蔓荆主要叶性状特征,探讨叶性状对沙化程度的响应。结果表明:单叶蔓荆叶面积1.58~13.14cm~2,与湖岸线距离没有显著相关性,不能指示沙化程度对单叶蔓荆的影响。比叶面积81.6~206.3cm~2·g~(-1),种内差异显著(P<0.05);单位质量的叶氮、磷含量分别为

【作者】

：

常玲玲蔡家艳吴琴金奇周红艳胡启武

【出处】

：

中国沙漠

【发表日期】

：

2017年01期

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鄱阳湖沙山单叶蔓荆(Vitex rotundifolia)叶性状沿沙化梯度变化特征

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