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首页> 外文会议>International Peat Congress; 20040606-11; Tampere(FI) >PATTERNS OF PLANT SPECIES RESPONSES TO THE WATER TABLE DEPTH GRADIENT IN FINNISH MIRES
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PATTERNS OF PLANT SPECIES RESPONSES TO THE WATER TABLE DEPTH GRADIENT IN FINNISH MIRES

机译：植物物种对芬兰泥沙水深梯度的响应

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摘要

Bryophytes had narrower responses than vascular plants to the water table depth (WTD) gradient. Species response location and width estimates were positively correlated among bryophytes, indicating generally wider responses of species adapted to dry microhabitats. Shallow-rooted vascular plant species showed the same pattern, whereas deep-rooted species groups showed no pattern or negative correlations. The growth form and existence of root aerenchyma, mycorhiza and fine roots were connected to the response location along the WTD gradient. Unimodal and symmetric response shape was the commonest both among bryophytes (58%) and vascular plant species (52%). Continuous response were also common. Only a few species responses showed significantly skew shapes.
机译：苔藓植物对水位深度（WTD）梯度的响应比维管植物的响应窄。苔藓植物之间物种响应的位置和宽度估计值呈正相关，表明适应干燥微生境的物种的响应通常较宽。浅根维管植物物种表现出相同的模式，而深根维管植物群则没有模式或负相关。根的通气组织，菌根和细根的生长形式和存在与沿WTD梯度的响应位置相关。在苔藓植物（58％）和维管植物物种（52％）中，单峰和对称响应形状最为常见。持续反应也很普遍。只有少数物种反应显示出明显的偏斜形状。

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