[1]刘向东,吴钦孝,赵鸿雁,等.陕北黄土丘陵区油松人工群落蒸腾强度的初步研究[J].水土保持研究,1991,(02):21-26,56.
　Liu Xiangdong,Wu Qinxiao,Zhao Hongyan,et al.A PRELIMINARY STUDY ON TRANSPIRATION INTENSITY OF CHINESE PINE COMMUNITY IN LOESS HILLY REGION[J].Research of Soil and Water Conservation,1991,(02):21-26,56.
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陕北黄土丘陵区油松人工群落蒸腾强度的初步研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 期数: 1991年02期 页码: 21-26,56 栏目: 出版日期: 1900-01-01
Title:
A PRELIMINARY STUDY ON TRANSPIRATION INTENSITY OF CHINESE PINE COMMUNITY IN LOESS HILLY REGION
作者:
刘向东, 吴钦孝, 赵鸿雁, 梁韩生
中国科学院水利部西北水土保持研究所
Author(s):
Liu Xiangdong, Wu Qinxiao, Zhao Hongyan, Liang Hansheng
Northwestern Institute of Soil and Water Conservation under The Chinese Academy of Sciences and The Ministry of Water Conservancy
关键词:
人工油松群落; 蒸腾强度
Keywords:
Pinus tabulaeformis; community transpiration intensity
摘要:
本文研究了组成人工油松（Pinus tabulaeformis）群落主要植物的蒸腾强度及其日变化和季节变化，并计算了群落的蒸腾强度，结果表明：①组成群落各植物在生长期间的平均蒸腾强度为0.259 3～0.991 6g/g·h，其中乔木层为0.259 3g/g·h，灌木层为0.498 2～0.9916g/g·b，草本层为0.577 2～0.848 8g/g·h；②各植物蒸腾强度的日变化符合多项式E=ea.ebt·Tc·rJ，③蒸腾强度有相似的季节变化趋势，但各植物的节律稍有差异；④人工油松群落蒸腾强度为0.284 5g/g·h，其中乔木层为0.262 4g/g·h，灌木层为0.619 7g/g·h，草本层为0.780 8g/g·h。
Abstract:
According to the transpiration intensity of main species in the community and its variations in a day and season the transpiration intensity of the community was calculated in the paper. The results of the study indicated that(1) the average transpiration intensity of species in P. tabulaeformis community in growth period amounted to 0.259～0.992g/g·h, among which it is 0.259g/g·h for tree layer, 0.498～0.992g/g·h for shrub layer and 0.577～0.849g/g·h for herb layer;(2)the daily variation of transpiration intensity of all species accorded with the mathematical model E=ea·ebt·Tc·rd;(3) transpiration intensity exhibited an analogic tendency to variation in season for all species,but existed a little difference in rhythm of those species;(4) the transpiration intensity of P. tabulaeformis community is 0.285g/g·h, among which it is 0.262g/g·h for tree layer, 0.620g/g·h for shrub layer and 0.781g/g·h for herb layer.

参考文献/References:

[1] 霍应强.森林水文生态综合鉴定法研究, 《人民黄河》, 1980年5期
[2] 刘向东等.六盘山林区森林树冠截留、枯枝落叶层和土壤水文性质的研究, 《林业科学》, 1989年25卷3期
[3] 苏宁虎.森林植物凋落动态的数学模型, 《林业科学》, 1989年25卷2期

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基金项目:国家自然科学基金

更新日期/Last Update: 1900-01-01