天然林资源保护工程区生态效应评估

吴丹; 曹巍; 黄麟; 呼和涛力

doi:10.11988/ckyyb.20210920

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长江科学院院报 ›› 2023, Vol. 40 ›› Issue (1) : 73-80. DOI: 10.11988/ckyyb.20210920

水土保持与生态修复

天然林资源保护工程区生态效应评估

吴丹¹, 曹巍², 黄麟², 呼和涛力¹

作者信息 +

Assessing Ecological Effects of Natural Forest Protection Project

WU Dan¹, CAO Wei², HUANG Lin², HUHE Tao-li¹

Author information +

文章历史 +

摘要

科学评估生态工程的生态效应具有重要意义。基于长时间序列遥感数据分析了天保工程区2000—2015年生态系统格局、质量、主要生态系统服务的时空变化特征及其驱动因素。结果表明:①近15 a,天保工程区森林、水体与湿地、聚落生态系统面积增加,草地生态系统面积减少;②天保工程区植被覆盖度与净初级生产力均呈现好转态势,增加速率分别为0.27%/a、3.82 g/(m²·a);③除生态系统水源涵养服务基本稳定外,土壤保持、防风固沙服务均有所提升,变化斜率分别为1.00 t/(hm²·a)和1.25 t /(hm²·a);④区域气候呈现暖湿变化趋势,对植被恢复起到促进作用;人口密度与人类扰动指数均有所增加。天保工程区生态环境总体改善,后续生态工程的实施应注重差异化的生态恢复与管理手段。

Abstract

Scientific assessment of the ecological effects of ecological project is of great significance.On the basis of long time series of remote sensing data,we analyzed the spatiotemporal variation characteristics and driving factors of the pattern and quality of ecosystem and major ecosystem services in the Natural Forest Protection Project(NFPP) area from 2000 to 2015.Results showed that:1) In recent 15 years,areas of forest,water body,wetland,and settlement ecosystems expanded,while the area of grassland ecosystem shrinked.2) Vegetation coverage and net primary productivity both showed improvement trend with an increasing rate of 0.27%/a and 3.82 g/(m²·a),respectively.3) Except that the water source conservation service remained stable,the soil conservation and sand fixation services of ecosystem both improved with the variation slope being 1.00 t/(hm²·a) and 1.25 t/(hm²·a),respectively.(4) The warming and wet trend of regional climate promotes vegetation restoration.Population density and human disturbance index both increased.In conclusion,the ecological environment of the NFPP has been overall improved.Differentiated ecological restoration and management should be emphasized in subsequent ecological project.

导出引用

吴丹, 曹巍, 黄麟, 呼和涛力. 天然林资源保护工程区生态效应评估[J]. 长江科学院院报. 2023, 40(1): 73-80 https://doi.org/10.11988/ckyyb.20210920

WU Dan, CAO Wei, HUANG Lin, HUHE Tao-li. Assessing Ecological Effects of Natural Forest Protection Project[J]. Journal of Changjiang River Scientific Research Institute. 2023, 40(1): 73-80 https://doi.org/10.11988/ckyyb.20210920

中图分类号： X171.4

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