气候变化背景下中国南方喀斯特地区NPP时空变化

doi:10.11707/j.1001-7488.20130502

›› 2013, Vol. 49 ›› Issue (5): 10-16.doi: 10.11707/j.1001-7488.20130502

• 论文 • Previous Articles Next Articles

Temporal and Spatial NPP Variation in the Karst Region in South China under the Background of Climate Change

Huang Xiaoyun^1,2, Lin Degen^1,3, Wang Jing^1,4, Chang Sheng^1,4

1. School of Geography,Beijing Normal University Beijing 100875;2. School of Economics, Guizhou University Guiyang 550025;3. School of Geography and Environmental Science,Zhejiang Normal University Jinhua 321004;4. Key Laboratory of Regional Geography, Beijing Normal University Beijing 100875

Received:2013-02-27 Revised:2013-04-09 Online:2013-05-25 Published:2013-05-25

Abstract

Abstract: Based on remote sensing and ground meteorological observation data, this article analyzes the temporal and spatial variation pattern of the net primary productivity (NPP) in the karst area of eight provinces in the southern China from 2000 to 2011 under the background of the climate change, and the NPP variation in different land use types. The results showed that under the climate change background, the region NPP showed an ascendant trend during 2000-2005, and there was a turning point in 2005; During 2006-2011, the region NPP showed declined; The change amplitude of NPP in the karst region was significantly greater than other landforms; Farmland, low density shrubbery, mixed land and other land use types were sensitive to rocky desertification. This study would provide a thought in risk evaluation of the karst rocky desertification, and provide a scientific basis for the ecosystem environment risk management.

Key words: climate change, NPP, land use, rocky desertification, karst region

CLC Number:

S717.19
TP79

Huang Xiaoyun;Lin Degen;Wang Jing;Chang Sheng;. Temporal and Spatial NPP Variation in the Karst Region in South China under the Background of Climate Change[J]. , 2013, 49(5): 10-16.

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Temporal and Spatial NPP Variation in the Karst Region in South China under the Background of Climate Change

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