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Dynamic Changes of Grassland Yield in Three River Headwater Region from 1988 to 2005
Author(s): FAN Jiangwen, SHAO Quanqin, LIU Jiyuan, WANG Junbang, CHEN Zhuoqi, ZHONG Huaping, XU Xinliang, LIU Ronggao
Pages: 5-
10
Year: 2010
Issue:
1
Journal: Acta Agrectir Sinica
Keyword: Three River Headwater Region; Grassland yield; Dynamic change;
Abstract: 三江源地区是我国长江、黄河、澜沧江的发源地,分析该地区草地生产力的变化动态,探讨导致草地生态系统变化的自然和人文驱动机制,对于制定科学的草地恢复、管理和利用战略,以及开展有效的生态工程成效评估具有重要意义.利用GLOPEM模型对三江源地区1988-2005年的草地产草量变化动态进行分析,结果表明:三江源地区草地生产力呈现出3-5年的周期性波动规律,其产草量的年际变幅表现出从东部地区到西部地区依次增...
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