物候模型研究进展

被引:50
作者
韩小梅
申双和
机构
[1] 南京信息工程大学应用气象学院
关键词
物候模型; 作物; 树木; 植被; 昆虫;
D O I
10.13292/j.1000-4890.2008.0011
中图分类号
Q948 [植物生态学和植物地理学];
学科分类号
071012 ; 0713 ;
摘要
近年来随着全球气候变暖,物候提前,物候学的研究越来越受到人们的关注。通过建立物候模型使物候期的预知成为可能,从而为生产实践活动提供依据和指导。本文探讨了物候模型研究的意义,总结了影响植物和昆虫物候的温度、水分、光和养分等主要环境因子的作用。根据国内外物候模型的研究现状,重点介绍了作物、树木、植被和昆虫4类物候模型的研究内容和进展。作物物候模型注重生理生态过程;树木物候模型以统计方法为主,但近期也有尝试将激素水平作为物候的决定因素;植被物候模型以遥感技术的应用为发展趋势;昆虫物候模型则进一步对发育起点的确定和对温度因子的修正,GIS的引入将昆虫物候模型的应用范围扩大。最后指出了目前物候模型研究中存在的问题。
引用
收藏
页码:89 / 95
页数:7
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