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首页> 外文期刊>Bulletin of the National Museum of Nature and Science >Leaf Blade Thickness Differentiation between Coastal and Freshwater Populations of the Coastal Plant Vitex rotundifolia (Verbenaceae)
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Leaf Blade Thickness Differentiation between Coastal and Freshwater Populations of the Coastal Plant Vitex rotundifolia (Verbenaceae)

机译：沿海植物Vitex rotundifolia（Verbenaceae）沿海和淡水种群的叶片厚度差异

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摘要

Vitex rotundifolia (Verbenaceae) is one of the coastal plants that commonly grows on sandy seashores, but also occurs at Lake Biwa, a freshwater inland lake. To assess morphological differentiation between coastal and inland individuals with regard to the leaf thickness, we measured nine populations of Vitex rotundifolia from Lake Biwa, Ise Bay in Pacific Ocean side and Wakasa Bay in Sea of Japan side. We measured leaf blade thickness and applied one-way analysis of variance (ANOVA) to test the difference. Post-hoc multiple comparison resulted in four major groups recognizing all inland populations from Lake Biwa as a distinct group while affiliation of coastal populations was assigned to other three groups regardless to localities. Inland individuals tended to have thinner leaves, implying intraspecific differentiation due to adaptation to habitat environments.
机译：刺槐（Vertex rotundifolia）（马鞭草科）是一种沿海植物，通常生长在沙滩上，但也出现在淡水内陆湖琵琶湖上。为了评估沿海和内陆个体之间在叶片厚度方面的形态学差异，我们测量了琵琶湖，太平洋伊势湾和日本海若狭湾的九种Vitex rotundifolia种群。我们测量了叶片厚度，并应用了单向方差分析（ANOVA）来测试差异。事后多重比较导致四个主要群体将琵琶湖的所有内陆人口识别为一个独立的群体，而沿海人口的隶属关系则被分配给其他三个群体，而不论其地点如何。内陆个体趋向于具有较薄的叶子，这意味着由于适应栖息地环境而导致种内分化。

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