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植物物候变化研究进展

翟佳1,2,袁凤辉1,吴家兵1**   

  1. 1中国科学院沈阳应用生态研究所森林与土壤生态国家重点实验室, 沈阳 110016; 2中国科学院大学, 北京 100049)
  • 出版日期:2015-11-10 发布日期:2015-11-10

Research progress on vegetation phenological changes.

ZHAI Jia1,2, YUAN Feng-hui1, WU Jia-bing1**   

  1. (1State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; 2University of Chinese Academy of Sciences, Beijing 100049, China)
  • Online:2015-11-10 Published:2015-11-10

摘要:

全球变化背景下,植物物候对气候变暖的响应已经成为研究热点。本文就植物物候对温度、水分、光照等气象因子的响应做了总结,并对国内外物候研究方法进行概述,特别是综合了近年来国内物候变化研究的文献,对我国植物春季物候变化情况作了统计:全球变化对我国大部分地区植被的影响主要是生长季提前,但新疆干旱区植被生长季开始日期在区域尺度上没有显著提前或者延迟趋势。由于物候研究方法的差异以及研究尺度的不同,在一定程度上弱化了研究结果的可比性,建议我国应基于目前的中国通量观测网以及各级生态监测网络,建立统一的物候监测平台,同时完善通量数据提取植物物候信息的方法,特别是阈值判定标准,为分析植物物候响应气候变化提供参考。
 

关键词: 克隆多样性, 微卫星, 遗传分化, 海菖蒲, 遗传多样性

Abstract: The response of vegetation phenology to climate warming has attracted increasing attention during the last few decades under the background of global change. In this paper, we summarized the response of vegetation phenology to meteorological factors (temperature, moisture, light), and their research methods were also introduced. In addition, the research progress on vegetation phonological changes in China over the past several decades were overviewed. With the global climate warming, the start of season is generally advanced in most regions of China, while this trend is not remarkable in some arid regions of Xinjiang. It is noteworthy that different observation methods at different research scales complicated the intercomparison or synthesis of phonological data at regional and global scale. Therefore, we recommended that a unified phenological observation network should be established based on the ChinaFLUX network and the widely distributed Chinese Ecological Research Network. Moreover, the method of deriving plant phenology information from the eddy covariance data should be improved. A uniform judging criterion for phenological change could standardize the research on the response of vegetation phenology to climate warming.

Key words: genetic diversity, Enhalus acoroide, microsatellite, genetic differen-tiation., clonal diversity