植物物候对城市热岛响应的研究进展

被引:20
作者
蔡红艳 [1 ]
杨小唤 [1 ]
张树文 [2 ]
机构
[1] 中国科学院地理科学与资源研究所资源与环境信息系统国家重点实验室
[2] 中国科学院东北地理与农业生态研究所
关键词
植物物候; 物候模型; 遥感; 城市热岛效应;
D O I
10.13292/j.1000-4890.20131220.0003
中图分类号
Q948.1 [植物生态学];
学科分类号
摘要
城市热岛引起的局地小气候改变对生态系统格局、过程及功能的影响加剧。植物物候是检测这种影响的敏感且易观测的生物指示器,其对城市热岛的响应研究成为城市生态学及全球变化科学关注的热点。本文系统综述近年来相关研究成果,指出物候地面观测、模型模拟及遥感监测是获取城市植物物候的主要途径,联合公众并充分结合照片、多分辨率影像等可丰富物候资料获取;由于城市热岛的影响,城市春季物候早于周围乡村地区,但对于驱动机制仍没有定论;随着城市增温,城市春季物候提前,秋季物候延后,但如何定量区分致使城市增温的热岛效应与气候增暖的影响成为难点;同时,植物功能型、外来种等生物因素及地理区位因素对植物物候响应产生影响。为此,提出未来应抽丝剥茧去除干扰因素,加强植物物候响应机理的研究。
引用
收藏
页码:221 / 228
页数:8
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