[1]杨婷婷,郭福涛,王文辉,等.福建长汀红壤区植被覆盖度变化趋势分析[J].森林与环境学报,2016,36(01):15-21.[doi:10.13324/j.cnki.jfcf.2016.01.003]
 YANG Tingting,GUO Futao,WANG Wenhui,et al.Dynamics of vegetation coverage in the red soil area of Changting, Fujian, China[J].,2016,36(01):15-21.[doi:10.13324/j.cnki.jfcf.2016.01.003]
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福建长汀红壤区植被覆盖度变化趋势分析()
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《森林与环境学报》[ISSN:2096-0018/CN:35-1327/S]

卷:
36
期数:
2016年01期
页码:
15-21
栏目:
出版日期:
2016-01-15

文章信息/Info

Title:
Dynamics of vegetation coverage in the red soil area of Changting, Fujian, China
作者:
杨婷婷 郭福涛 王文辉 苏漳文 马祥庆 吴鹏飞
福建农林大学林学院, 福建 福州 350002
Author(s):
YANG Tingting GUO Futao WANG Wenhui SU Zhangwen MA Xiangqing WU Pengfei
College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
关键词:
归一化植被指数遥感植被覆盖度长汀红壤区
Keywords:
normalized difference vegetation indexes (NDVI)remote sensingvegetation coverageChangtingred soil area
分类号:
S714.7;P237
DOI:
10.13324/j.cnki.jfcf.2016.01.003
摘要:
福建长汀位于中国南方亚热带红壤丘陵区,水土流失、山体滑坡等自然灾害较为严重,分析当地植被覆盖度的变化趋势是评价水土流失治理及生态环境恢复的有效手段。以Landsat数据为基础,应用地理信息系统(GIS)技术,提取福建省长汀红壤区2000-2014年的归一化植被指数(NDVI)值,并采用像元二分模型和差值法分别对植被覆盖度、植被恢复等级进行估算。结果表明,15 a长汀红壤区NDVI呈明显上升趋势,植被覆盖度呈明显增加趋势,高植被覆盖面积增加了2 132.90 km2,面积比例提高68.86%,植被变化以恢复和完全恢复为主,占全区总面积的88.07%。经过多年的治理,长汀红壤区植被覆盖状况已得到很大改善,但仍有占长汀土地总面积0.42%的区域属植被严重退化区,主要分布于汀江两岸,建议在该流域加强水土流失治理保护措施,合理生产开发利用,从而有效防治水土流失。
Abstract:
Changting County of Fujian is in the subtropical red soil hilly area, south of China, suffering from water and soil loss and landslides. Study on the dynamics of local vegetation coverage is the effective measure to evaluate the control of soil and water loss and the restoration of ecological environment. The normalized difference vegetation indexes (NDVI) from 2000 to 2014 were collected from Landsat data to calculate the vegetation coverage and restoration in the red soil area of Changting, Fujian Province by the geographic information system(GIS)and the dimidiate pixel model and difference operation. The results indicated as follows. During the 15 years in the red soil area of Changting, the normalized difference vegetation indexes (NDVI) and the vegetation coverage had a significant increase. The area of high vegetation coverage increased by 68.86% and 2 132.90 km2. Vegetation changes in order to restore and fully restore the main, accounting for 88.07% of the total area of the region. Although, the overall vegetation in Changting had a significant recovery, there are still some area that occupied 0.42% turned to severe degradation, which are mainly located on the two sides of Ting River. Therefore, it is suggested to strengthen soil and water conservation and rational utilization and production in the valley.

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备注/Memo

备注/Memo:
收稿日期:2015-7-17;改回日期:2015-9-21。
基金项目:国家科技支撑计划项目(2014BAD15B02);国家林业局林业公益性行业科研项目(201304303)。
作者简介:杨婷婷(1989-),女,硕士研究生,从事水土保持与荒漠化防治研究。E-mail:13338250742@189.cn。
通讯作者:吴鹏飞(1982-),男,副教授,博士,博士生导师,从事森林培育、水土保持研究。E-mail:fjwupengfei@126.com。
更新日期/Last Update: 1900-01-01