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《Acta Pratacultural Science》 2001-01
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Structure of ramets in clonal population of Carex duriuscula on Songnen plain of China

YANG Yun fei, LI Jian dong (Key Laboratory for Vegetation Ecology, Northeast Normal University, Changchun 130024, China)  
Carex duriuscula is a typical clonal herbaceous plant which population is maintained mainly through vegetative propagation. On the Songnen Plain the population of the species usually consists of two generations of ramets. Their tiller nodes can live for 5 or 6 years. In most of the habitats, the ramets in the 1st and 2nd age classes are predominant in the population and luxuriate. Ramets in the 1st age class contribute the most to sexual reproduction of the population. The weight of both vegetative and reproductive ramets appears ecologically plastic to a relatively high extent, while the reproductive allocation remains relatively stable.
【Fund】: 国家重点基础研究发展规划项目! ( G19990 434 0 7;;95 - 2 2 - 0 2 ) ;; 国家自然科学基金重点项目! ( 39730 110 );; 国家自然科学基金
【CateGory Index】: Q945.52
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