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杨柳科植物随环境变化的性别响应差异
Alternative TitleSex-Related Responses to Environmental Changes in Salicaceae
宋海凤1,2; 张胜1
Corresponding Author张胜
2017
Source Publication山地学报
ISSN1008-2786
Volume35Issue:5Pages:645-652
Other Abstract

杨柳科(Salicaceae)植物多为雌雄异株植物,在维持陆地生态系统的结构与功能方面具有重要作用。杨柳科植物不同性别植株间具有不同的生长特征及繁殖策略,对环境因子变化也具有不同的响应机制。本文主要探讨了紫外线(UV-B)辐射、温度和降水等山地环境因子的变化对雌雄异株植物的影响。杨属雄株植物从形态特征、生理特征及分子机制等层面体现出对环境变化较强的耐受能力,而柳属植物性别间差异研究大多局限于形态生理变化等方面,过量的UV-B辐射对雌雄柳属植物未产生性别特异性影响,增温则对柳属雌株的生长具有一定的促进作用。杨柳科植物对环境变化的差异响应在一定程度上对其性别比例变化产生影响,从而改变种群结构及动态特征。未来杨柳科雌雄植物对环境变化的适应机理仍需要进一步探索,为揭示陆地生态系统结构和功能稳定性对环境变化的响应机制提供依据。

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Most of Salicaceae plants are dioecious and play important roles in the stability of terrestrial ecosystems structure and function. Males and females of Salicaceae plants always have different growth characteristics and reproductive strategies,which lead to different responses to environment changes. This paper discussed the influence of UV-B radiation,temperature and precipitation changes on male and female woody plants. Results showed that males of Populus had resistance to environmental changes on the morphological characteristics, physiological characteristics and molecular mechanisms. However,researches on sexual difference of Salix were not
sufficient. Warming could be benefit to the female growth of Salix,but excess UV-B radiation had no sex-specific effect on males and females. Sex-specific response of Salicaceae to environmental changes might have impact on sex ratio,further altering population structure and dynamic characteristics. In the future,the sexual adaptation
mechanism of Salicaceae to environmental changes still need to be further explored to provide some insights for the research of terrestrial ecosystem responses to environmental change.

Keyword杨柳科 Uv-b辐射 温度 降水 性别差异
Subject AreaQ948
DOI10.16089/j.cnki.1008-2786.000263
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:6091655
Funding Organization国家自然科学基金优秀青年科学基金(31322014) ; 中国科学院前沿重点研究项目(QYZDB-SSW-DQC037)
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/19162
Collection山地表生过程与生态调控重点实验室
Affiliation1.中国科学院水利部成都山地灾害与环境研究所山地表生过程与生态调控重点实验室
2.中国科学院大学
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
宋海凤,张胜. 杨柳科植物随环境变化的性别响应差异[J]. 山地学报,2017,35(5):645-652.
APA 宋海凤,&张胜.(2017).杨柳科植物随环境变化的性别响应差异.山地学报,35(5),645-652.
MLA 宋海凤,et al."杨柳科植物随环境变化的性别响应差异".山地学报 35.5(2017):645-652.
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