globalchange  > 气候变化与战略
CSCD记录号: CSCD:5870585
论文题名:
贵州喀斯特近30年植被生长特征分析
其他题名: The growth characteristics of vegetation in the Karst regions of Guizhou from 1981to 2012
作者: 王志伟1; 王茜1; 李世歌1; 王普昶1; 刘秀峰1; 谢彩云1; 史健宗2; 吴佳海1; 王小利1; 陆瑞霞1; 莫本田1
刊名: 草业科学
ISSN: 1001-0629
出版年: 2016
卷: 33, 期:11, 页码:1926-1941
语种: 中文
中文关键词: 植被 ; 喀斯特 ; 石漠化 ; 草地
英文关键词: NDVI ; vegetation ; NDVI ; Karst region ; rocky desertification ; grassland
WOS学科分类: AGRICULTURE MULTIDISCIPLINARY
WOS研究方向: Agriculture
中文摘要: 贵州省地处南方喀斯特地区的中心,其生物学过程严重影响到环境变化。植物做为生物圈中的生产者,对陆地生态系统的贡献同样不容忽视。先进型分辨率辐射仪的归一化植被指数AVHRR GIMMS NDVI 3g数据集作为一种有效的植被状况监测工具,可以提供全球范围内从20世纪80年代到21世纪初的资料。本研究使用该数据分析贵州省植被变化状况,发现近30年来贵州省的植被整体上趋于生长增加的情形,其归一化植被指数(NDVI)年增长率为0.002 1。不过,也存在两个植被突变点(turing point,TP),分别出现在1985年和1993年。在月NDVI数据中,各月整体变化率和TP与贵州省全省植被、栽培植物、草地和林地的NDVI变化趋势则明显不同。从空间分布角度分析,贵州省植被增长速度呈明显的东南地区变化速率优于西北地区,全球变暖是其中一方面的原因。同时,降水分布状况也和植被变化状况存在明显的一致性。此外,人类活动对植被变化造成的影响也不容忽视。
英文摘要: Guizhou province is located in the center area of Karst region,its ecological environment has been changed by biological process significantly.It is noted that the plants play an important role in the terrestrial ecosystem as the producer of the biosphere.Therefore,the updated Global Inventory Modeling and Mapping Studies(GIMMS)third generation Normalized Difference Vegetation Index(NDVI)dataset by using global satellite Advanced Very High Resolution Radiometer(AVHRR)was used to investigate the changes of vegetation in the Guizhou Province from 1982to 2011.The results demonstrated that the overall NDVI increased from 1982to 2011with an average rate of 0.002 1per year(P<0.001).However,there still were two turning points(TP)in 1985and 1993,respectively.There are large variations between the NDVI trend and TPs in the whole area and in different vegetation types.From the spatial distribution of vegetation growth in Guizhou,the rate of vegetation increased in southeastern was superior to northwestern obviously.One reason was global warming,and meanwhile the vegetation change consisitent with the spatial distribution of precipitation.In addition, the impact of human activities on the changes of vegetation should be paid more attentions.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/150516
Appears in Collections:气候变化与战略

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作者单位: 1.贵州省农业科学院草业研究所, 贵阳, 贵州 550006, 中国
2.中国科学院寒区旱区环境与工程研究所, 冰冻圈科学国家重点实验室, 兰州, 甘肃 730020, 中国

Recommended Citation:
王志伟,王茜,李世歌,等. 贵州喀斯特近30年植被生长特征分析[J]. 草业科学,2016-01-01,33(11):1926-1941
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