2011-2021年环巢湖地区生态服务价值评估  

Ecological service value assessment of land types in Chaohu lake area,2011-2021

作　　者：王敉敉 朱爱青 黄滔 刘海洋 WANG Mimi;ZHU Aiqing;HUANG Tao;LIU Haiyang(School of Architecture and Urban Planning,Anhui Jianzhu University,Hefei Anhui 230601,China;School of environmental and civil engineering,Shanghai Urban Construction Vocational College,Shanghai 200082,China)

机构地区：[1]安徽建筑大学建筑与规划学院,安徽合肥230022 [2]上海城建职业学院市政与生态工程学院,上海200082

出　　处：《阜阳师范大学学报(自然科学版)》2024年第4期50-57,共8页Journal of Fuyang Normal University:Natural Science

基　　金：国家重点研发计划(2016YFD0600902);安徽省高校省级自然科学研究重点项目(KJ2021A0614);安徽省高峰学科(建筑学、城乡规划学)培育课题(K2110044);安徽省住房城乡建设科学技术计划项目(2022-YF081)。

摘　　要：根据行政区划界限,以环巢湖的区县、乡镇(包含巢湖)为研究对象,按照土地类型分为水域、林地、耕地、草地、建设用地5种,总面积为2650.5 km^(2)。选取2011、2016和2021三年遥感影像,利用3S(RS、GIS、GPS)技术对环巢湖地区2011-2021年的土地利用变化进行研究,并科学评估环巢湖地区生态服务价值。研究发现:(1)研究区土地类型呈现“两增三减”的趋势,即草地、建设用地面积增加,耕地、林地和水域面积减少,最重要的土地利用类型已由耕地转换为水域。土地利用类型转换显示,2011-2016年间变化最大为建设用地,主要由耕地和林地转变而来,转变面积为206.09 km^(2)和56.68 km^(2)。2016-2021年间变化最大为耕地,呈减少趋势,主要转变成林地和草地,转变面积为143.64km^(2)和108.98 km^(2)。(2)环巢湖地区生态服务价值总体呈现下降趋势,降幅为5.94%,生态系统服务价值增加最多的为草地,增加6.41×10^(8)元。生态系统服务价值贡献量按从高到低依次为水域、林地、耕地、草地、建设用地,水域景观对生态系统服务价值总量贡献最大,2011、2016、2021年分别占总生态系统服务价值的68.2%、75.01%和72.28%。According to the boundaries of administrative divisions,this study taked the districts,counties and townships(including Chaohu Lake)around Chaohu Lake as the study area,and divides the land types into waters,forestland,cultivated land,grassland and construction land.Selecting remote sensing images for three years 2011,2016 and 2021,this study used the3S(RS,GIS and GPS)technology,and used the landscape index analysis index(FRAGSTATS)to analyze the land use change and landscape pattern change in the Chaohu Lake area from 2011-2021.Furthermore,this study scientifically assessed the value of ecological services in the Chaohu Lake area.The results show that:(1)The land types in this study showed a trend of"two increases and three decreases",i.e.,grassland,construction land area increased,and cultivated land,forestland and waters decreased.The most important land use type had been changed from cultivated land to waters.The conversion of land use types shows that from 2011 to 2016,the largest change was in construction land,mainly from cultivated land and forestland,with the conversion area of 206.09km^(2)and 56.68km^(2)respectively.From 2016 to 2021,the largest change was cultivated land,which showed a decreasing trend and was mainly converted to forestland and grassland,with a conversion area of 143.64 km^(2)and108.98 km^(2)respectively.(2)The overall trend of ecological service value in the Chaohu Lake area was decreasing,with a decrease of 5.94%.The largest increase in ecosystem service value was in grassland,with an increase of 6.41×10^(8)yuan.The contribution of ecosystem service value in descending order was waters,forestland,cultivated land,grassland,and construction land.Waters landscape contributed the most to the total ecosystem service value,accounting for 68.2%,75.01%,and 72.28%of the total ecosystem service value in 2011,2016,and 2021,respectively.

关 键 词：巢湖 土地类型 生态服务价值 

分 类 号：P901[天文地球—自然地理学] X171.1[环境科学与工程—环境科学]