| 假苇拂子茅群落生物量初步研究 |
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| 引用本文： | 朱志诚,贾东林.假苇拂子茅群落生物量初步研究[J].生态学报,1996,16(1):40-49. |
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| 作者姓名： | 朱志诚 贾东林 |
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| 作者单位： | 西北大学物生系 |
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| 摘 要： | 本文研究了假苇子拂子茅群落的生物量，测定了地上和地下生物量及其季节和空间变化。研究结果表明，假苇拂子茅群落生物量季节动态较为明显，９月中旬地上生物量达峰值；地下生物量主要集中在０－１０ｃｍ，季节变化亦很明显，５月最低，９月达峰值，最低值和最高值出现都与春季营养体萌发有关，假苇拂子茅群落Ｆ／Ｃ值偏低，峰值期仅为０．３８８。
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| 关 键 词： | 草地生态系 假苇拂子茅 群落 生物量 |
| 收稿时间： | 1993/12/9 0:00:00 |
| 修稿时间： | 4/9/1994 12:00:00 AM |
A PRELIMINARY STUDYS ON THE BIOMASS OF CALAMAGROSTIS PSEUDOPHRAGMITES COMMUNITY |
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| ZHU Zhicheng and JIA Donglin.A PRELIMINARY STUDYS ON THE BIOMASS OF CALAMAGROSTIS PSEUDOPHRAGMITES COMMUNITY[J].Acta Ecologica Sinica,1996,16(1):40-49. |
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| Authors: | ZHU Zhicheng and JIA Donglin |
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| Institution: | Department of Biology; Northwest University; Xi\' An; China; 710069 |
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| Abstract: | This paper studied seasonal and spatial changes of biomass above-ground and under parts in the Calamagrostis pseudophragmites community. The results showed obviously season al dynamics in biomass at the Caldmagrostis pseudophragmites community. Aboveground biomass achieved maximum value (142. 54 g/m2 ) in mid-September. Underground biomass was mainly concentrated on 0-10 cm of the soil layer, seasonal changes was significant too,and lowest value (170. 32 g/m2) appeared in May, the maximum appeared in September.There existed a close correlation between the maximum-minimum value and the vegetative ger mination of spring. The F/C ratio of Calamagrostis pseudophragmites community was as low as 0. 388 in the period of high peak. |
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| Keywords: | Calamagrostis pseudophragmites community biomass seasonal and spatial change |
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