[1]陈琼.国家生态区漳州市龙文区植被恢复评价[J].江苏林业科技,2021,48(03):9-12.[doi:10.3969/j.issn.1001-7380.2021.03.003]
 Chen Qiong.Vegetation restoration in the National Ecological Region,Longwen District of Zhangzhou City[J].Journal of Jiangsu Forestry Science &Technology,2021,48(03):9-12.[doi:10.3969/j.issn.1001-7380.2021.03.003]
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国家生态区漳州市龙文区植被恢复评价()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第48卷
期数:
2021年03期
页码:
9-12
栏目:
试验研究
出版日期:
2021-06-30

文章信息/Info

Title:
Vegetation restoration in the National Ecological Region,Longwen District of Zhangzhou City
文章编号:
1001-7380(2021)03-0009-05
作者:
陈琼
龙文生态环境局,福建 漳州 363005
Author(s):
Chen Qiong
Longwen Ecological Environment Bureau, Zhangzhou 363005, China
关键词:
归一化植被指数植被恢复空间分布土地利用漳州市龙文区国家生态区
Keywords:
Normalization difference vegetation index(NDVI) Vegetaton restoration Spatial distribution Land use Longwen District Zhangzhou City National Ecological Region
分类号:
Q948.15+6;X87
DOI:
10.3969/j.issn.1001-7380.2021.03.003
文献标志码:
A
摘要:
为了准确客观地评价龙文区确立为国家级生态区前后植被的恢复情况,有助于该区域更有效、更有针对性地进行生态环境的改善工作,该文利用2014和2019年Landsat OLI遥感影像以及土地利用数据,基于ENVI软件提取归一化植被指数(NDVI),在此基础上,采用ArcGIS分析了龙文区植被指数的时空变化格局以及对不同土地利用类型的植被指数进行对比。结果表明:(1)在2014—2019年期间,区域内植被得到一定程度的恢复,NDVI由0.687提高到0.706;(2)NDVI高的地方分布在研究区域的东北部、东部、西北部,而NDVI较低的地方主要分布在城市建设用地集中的西南部;(3)研究区植被退化的面积占比12.6%,而植被改善的面积占比高达15.1%;其中建设用地、交通用地的NDVI均有不同幅度上涨,而林地、耕地、风景名胜等用地的NDVI却有不同幅度下降,但下降幅度均不大。
Abstract:
In order to improve the ecological environment in Longwen District, Zhangzhou City, Fujian Province in a more efficient and targeted manner, an accurate and objective assessment of the vegetation restoration has been committed before and after being established in 2016 as a national ecological zone. Using Landsat OLI remote sensing images and land use data in 2014 and 2019, the normalization difference vegetation index (NDVI) was extracted based on ENVI software. Then, ArcGIS was used to analyze the spatio-temporal pattern of vegetation index in Longwen District and the vegetation index was compared among different land use types. The results showed that: (1) During the period from 2014 to 2019, the vegetation coverage was restored to a certain extent, with the NDVI increasing from 0.687 to 0.706; (2) The places with high NDVI were distributed in the northeast, east, and northwest of the study area. Lands with low NDVI were mainly distributed in the southwest, where was occupied by urban construction land; (3) The area of vegetation degradation in the study area accounted for 12.6% while the area of vegetation improvement was as high as 15.1%; the NDVI of construction land and transportation land increased during the studied period while the NDVI of woodland, cultivated land, scenic spots and another lands all decreased slightly.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-03-05;修回日期:2021-04-08
作者简介:陈琼(1983- ),女,福建漳州人,工程师,大学本科毕业。主要从事生态环境保护、植物保护等工作。
更新日期/Last Update: 2021-08-07