太行山羊茅草原几种优势植物生理生态学特性的研究

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本文研究了太行山羊茅草原几种优势植物的生理生态学特性。实验结果表明,太行山光照强度高,平均相对湿度低,温差较大,具有特殊的小气候,形成一个比较干旱的环境.在这样的条件下,五种早生植物(紫羊茅、丛生隐子草、亚柄苔草、窄膜棘豆和铁杆蒿)的生物量较低,但所有植物的叶绿素 b 含量大大升高。实验结果还显示出这五种早生植物的蒸腾强度为0.983~1.536克/克(鲜重)·小时,日平均耗水量为11.79~18.34克/克(鲜重),其中亚柄苔草最大,丛生隐子草最小. The paper studied the ecophysiological characteristics of several dominant plants in the Taihang Forsaken Grassland. The experimental results show that the Taihang Mountain has the characteristics of high light intensity, low average relative humidity, large temperature difference and special microclimate, forming a relatively arid environment. Under these conditions, five species of early-maturing plants (red fescue, Carex, Carex, Artemisia halodendron and Artemisia halodendron) had lower biomass, but chlorophyll b content increased significantly in all plants. The results also showed that the transpiration intensity of these five species of early-stage plants was 0.983-1.536 g / g fresh weight per hour, and the average daily water consumption was 11.79-18.34 g g-1 fresh weight, Hidden herbage grass smallest.
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