[1]李恒凯,欧彬,刘雨婷. 基于MOD17A3的南岭山地森林区植被NPP时空分异分析[J].西北林学院学报,2017,32(6):197-202.[doi:10.3969/j.issn.1001-7461.2017.06.30]
 LI Heng-kai,OU Bin,LIU Yu-ting. Temporal and Spatial Variation of Vegetation NPP in Nanling Based on MOD17A3[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(6):197-202.[doi:10.3969/j.issn.1001-7461.2017.06.30]
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 基于MOD17A3的南岭山地森林区植被NPP时空分异分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第6期
页码:
197-202
栏目:
出版日期:
2017-11-30

文章信息/Info

Title:
 Temporal and Spatial Variation of Vegetation NPP in Nanling Based on MOD17A3
文章编号:
1001-7461(2017)06-0197-06
作者:
 李恒凯欧彬刘雨婷
 (江西理工大学 建筑与测绘工程学院,江西 赣州 341000)
Author(s):
 LI Heng-kaiOU BinLIU Yu-ting
 (Faculty of Architectural and Surveying Engineering,Jiangxi University of Science and Technology,Ganzhou,Jiangxi 341000,China)
关键词:
 南岭山地森林区植被NPP时空分异变异系数
Keywords:
 Nanling vegetation NPP temporal and spatial variation variation coefficient
分类号:
S757.3
DOI:
10.3969/j.issn.1001-7461.2017.06.30
文献标志码:
A
摘要:
 作为水源涵养型重点生态功能区,南岭山地森林区生态环境较为脆弱,面临生态功能退化问题。以2001-2013年MOD17A3的年均植被净初级生产力(NPP)数据和降水、气温资料为基础,通过遥感和GIS 技术,对南岭山地森林区植被NPP时空分异特征进行定量分析。结果表明,2001-2013年南岭山地森林区年均植被NPP变化范围为578.45~727.37 gC·m-2·a-1,平均值为640.39 gC·m-2·a-1,年均植被NPP在南岭分布东部高,中部和西部较低;南岭植被生长状况总体东部较好,中部和西部呈现不同程度的退化,植被NPP波动剧烈的地区和矿山开采等人为活动关系密切;南岭东部地区受气温影响较大,中部受降水影响较大,西部同时受降水和气温的影响,而植被NPP波动剧烈的地区受降水和气温的影响不大,可能受人为因素的影响。
Abstract:
 As a key ecological function zone of water conservation,the ecological environment of Nanling is fragile,ecological function trends to be degradated.By means of average annual net primary productivity (NPP) data of MOD17A3 dataset and the data of precipitation and temperature from 2001 to 2013 and by RS and GIS technology quantitative analysis,the temporal and spatial variation of vegetation NPP in Nanling were analyzed.The results indicated that the vegetation NPP in Nanling ranged from 578.45 to 727.37 gC·m-2·a-1,with an average of 640.39 gC·m-2·a-1.The average annual NPP was higher in the eastern and lower in the middle and west regions of Nanling.The growth status of Nanling vegetation was good in east region,while in central and western region,it showed different degrees of degradation,the area of vegetation NPP volatility was closely related to mine exploitation and others activities of human being.NPP in the eastern part of Nanling was affected by the temperature,in the middle part however,it was affected by the precipitation,and in the west part,it was affected by precipitation and temperature,but the area of vegetation NPP volatility had little influence by the precipitation and temperature,which was probably influenced by human activities.

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备注/Memo

备注/Memo:
 收稿日期:2017-01-25修回日期:2017-03-15
基金项目:国家自然科学基金(41561091);江西省自然科学基金(20161BAB206143);江西省教育厅科技课题(GJJ150659)。
作者简介:李恒凯,男,博士,副教授,研究方向:遥感建模与分析。E-mail:giskai@126.com
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