[1]周朝彬,陈刘生,牛攀新,等. 干旱区降水格局改变的生态效应及其复杂性[J].西北林学院学报,2012,27(03):48-54.
 ZHOU Chao-bin,CHEN Liu-sheng,NIU Pan-xin,et al. Ecological Effects of the Change of Precipitation Pattern and Its Complexity in Arid Regions[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):48-54.
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 干旱区降水格局改变的生态效应及其复杂性()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年03期
页码:
48-54
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Ecological Effects of the Change of Precipitation Pattern and Its Complexity in Arid Regions
文章编号:
1001-7461(2012)03-0048-07
作者:
 周朝彬陈刘生牛攀新唐诚杨小建
 (1.石河子大学 农学院,新疆 石河子 832000;2.涪陵区林业局,重庆 408000)
Author(s):
 ZHOU Chao-bin CHEN Liu-sheng NIU Pan-xin TANG Cheng YANG Xiao-jian
 (1. College of Agriculture, Shihezi University, Shihezi, Xinjiang 832000, China; 2.Forestry Bureau of Fuling, Chongqing 408000, China)
关键词:
 降水格局非生长季降水前期土壤水分植物类型根系分布土壤养分
Keywords:
 precipitation pattern precipitation in non-growing season antecedent soil water plant type root distribution soil nutrient
分类号:
S715.3
文献标志码:
A
摘要:
 全球气候变化下,降水格局变化及其生态效应研究是加强认识干旱区水分循环与荒漠植物演替和适应等的关键。综述了干旱区降水格局变化对土壤水分分布和植物生长的影响,分析了不同降水格局下前期土壤水分和养分条件、植物类型、根系分布、水分吸收模式、物候和年龄等对植物生长的影响,指出由于干旱区降水格局变异性较大以及其生态效应受多因素影响,干旱区降水格局变化的生态效应十分复杂。目前研究通常未考虑降水格局变化的季节变异以及非生长季降水的作用,这可能会导致明显的偏差或错误。因此,为更好预测干旱区降水格局变化的生态效应,必须加强降水格局增加的季节差异对植物生长的影响研究,并重视非生长季降水的作用。

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