[1]陈芳,魏怀东,丁峰,等.基于NDVI的黄土丘陵沟壑区退耕还林还草监测及效果评价——以定西市安定区为例[J].西北林学院学报,2008,23(01):50-53.
 CHEN Fang,WEI Huai-dong,DING Feng,et al.Monitoring and Effects Evaluation of Conversing Farmland to Forest and Grass Land by NDVI in Loess Hilly and Gully Areas——A Case Study of Anding Region,Dingxi City[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(01):50-53.
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基于NDVI的黄土丘陵沟壑区退耕还林还草监测及效果评价——以定西市安定区为例 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年01期
页码:
50-53
栏目:
森林生物学研究
出版日期:
2008-01-30

文章信息/Info

Title:
Monitoring and Effects Evaluation of Conversing Farmland to Forest and Grass Land by NDVI in Loess Hilly and Gully Areas——A Case Study of Anding Region,Dingxi City
作者:
陈芳; 魏怀东; 丁峰; 周兰萍; 胡小柯
甘肃省荒漠化防治重点实验室,甘肃省治沙研究所,甘肃,武威,733000
Author(s):
CHEN Fang; WEI Huai-dong; DING Feng; ZHOU Lan-ping; HU Xiao-ke
关键词:
NDVI 退耕还林还草 效果评价 坡度 黄土丘陵沟壑区
分类号:
S718.557
文献标志码:
A
摘要:
植被盖度是评估生态环境的一个重要参数,为了对黄土丘陵地区退耕还林还草效果进行监测与评价,研究通过归一化植被指数(NDVI)遥感估算安定区2001年和2004年植被盖度变化.通过分析得出:2001~2004年安定区整体植被盖度有所增加,尤其是退耕还林还草的区域,低盖度植被类型面积大大减少,植被盖度<60﹪的类型面积共减小了967.5 hm2,而高植被盖度面积增加.通过坡度与植被指数空间叠加分析发现,坡度对植被盖度较高区域的影响较小,对于植被盖度较低的区域影响较大.对于低植被盖度区域来说,坡度小则植被恢复快,坡度大则恢复较慢.

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备注/Memo

备注/Memo:
国家自然科学基金项目(30070637),北京市科委项目"北京城市园林绿化耐旱、节水园林植物筛选和应用研究"(JD100220535)和森林培育与保护实验室"北京城市绿地水分经济生态的研究".
更新日期/Last Update: 2010-04-29