地理学报 ›› 2017, Vol. 72 ›› Issue (5): 863-874.doi: 10.11821/dlxb201705008
收稿日期:
2016-10-25
修回日期:
2017-03-20
出版日期:
2017-05-20
发布日期:
2017-05-20
作者简介:
作者简介:高海东(1983-), 男, 内蒙古乌审旗人, 博士, 讲师, 研究方向为土壤侵蚀与水土保持。E-mail:
基金资助:
Haidong GAO1(), Guowei PANG2, Zhanbin LI1,3(
), Shengdong CHENG1
Received:
2016-10-25
Revised:
2017-03-20
Published:
2017-05-20
Online:
2017-05-20
Supported by:
摘要:
黄土高原从1999年开始大规模退耕还林(草),植被覆盖发生了较大变化,对黄土高原植被恢复现状和恢复潜力进行评估具有重要意义。本文使用1999-2013年SPOT VEG NDVI数据,采用线性回归、Hurst指数分析法、统计学方法以及地理空间分析技术,对黄土高原植被恢复状况和潜力进行了探讨。结论主要为:① 1999年退耕还林(草)以来,黄土高原植被覆盖度呈显著上升趋势,黄土高原三分之二地区的植被将会持续改善;② 植被响应曲线分析表明,黄土区植被覆盖度和干旱指数呈显著的指数关系,且缓坡相关性大于陡坡。土石山区植被响应函数为线性函数,相关系数下降;③ 整个黄土高原地区平均植被恢复潜力为69.75%。植被恢复潜力值东南高而西北低,黄土高原东南地区植被恢复状况较好,其植被恢复潜力指数较小,而植被恢复潜力指数较高的地区主要为北方风沙区及西部丘陵沟壑区;④ 不同降水量条件下,植被恢复速度差别显著,其中降水量在375~575 mm之间的地区,植被恢复最快。植被恢复措施应该“因水制宜”,避免因造林带来的土壤干化加剧。研究结果以期为黄土高原生态文明建设提供科学支撑。
高海东, 庞国伟, 李占斌, 程圣东. 黄土高原植被恢复潜力研究[J]. 地理学报, 2017, 72(5): 863-874.
Haidong GAO, Guowei PANG, Zhanbin LI, Shengdong CHENG. Evaluating the potential of vegetation restoration in the Loess Plateau[J]. Acta Geographica Sinica, 2017, 72(5): 863-874.
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