基于固碳需求的毛泡桐适宜栽植区区划研究——以太原市为例  

Study on Suitable Planting Area Division of Paulownia Tomentosa Based on Carbon Sequestration Demand:A Case Study in Taiyuan

作　　者：王茹 张先平 昌秦湘 董宏 李敏 WANG Ru;ZHANG Xianping;CHANG Qinxiang;DONG Hong;LI Min(Institute of Landscape,Taiyuan University,Taiyuan 030032,China)

机构地区：[1]太原学院园林科研所,山西太原030032

出　　处：《山西大学学报（自然科学版）》2023年第6期1456-1466,共11页Journal of Shanxi University(Natural Science Edition)

基　　金：山西省重点研发计划项目(201903D221064)。

摘　　要：为匹配太原市空间固碳的需求,采用ArcGIS空间分析技术和层次分析法(Analytic Hierarchy Process,AHP),将毛泡桐的生态适宜栽植区区划与太原市空间固碳需求叠加分析,从而优化毛泡桐的栽植区域,充分发挥其固碳功能。为此,选取年均气温、年均降水量、土壤含水量等8个生态因子,将太原市毛泡桐栽植区划分为高度适宜区、中度适宜区、不适宜区三个等级;同时选取距工矿距离、距道路距离以及人口密度3个指标,将太原市空间固碳需求划分为高度、中度和一般三个等级,并生成1 km^(2)网格固碳需求空间分布图;叠加毛泡桐栽植高、中度适宜区与空间固碳高、中度需求区,二者重叠面积为2705.35 km^(2),且多分布在太原市城区。太原市城区自然条件适合毛泡桐生长,同时也是固碳需求较高的地区,通过合理栽植毛泡桐等高固碳能力植物,可以高效吸收大气中的CO_(2),从而有效改善太原市空气质量。For the purpose of the matching with the requirements for carbon sequestration in Taiyuan City,the ArcGIS spatial analysis method and the AHP(Analytic Hierarchy Process)were used to analyze the suitable planting area division of Paulownia tomentosa and the spatial demand for carbon sequestration in Taiyuan city,so as to optimize the planting area of P.tomentosa and give full play to its carbon sequestration.Therefore,eight ecological factors,including average annual temperature,average annual rainfall,soil water content,etc.were selected to evaluate the planting area division of P tomentosa in Taiyuan city.The planting area division were categorized into three levels:highly suitable,moderately suitable and unsuitable.Meanwhile three indicators were selected for evaluating the spatial carbon sequestration demand.These indicators included the distance from factories and mines,the distance from roads,and the population density,in Taiyuan City.And the evaluation results were divided into three levels:high demand area,moderate demand area,and general demand area.As well the carbon sequestration distribution map of 1 km^(2)net in Taiyuan City was generated.According to the results,there was 2705.35 km^(2)of overlap between P.tomentosa planting areas that are high and moderately suitable for planting and areas with high and moderate spatial demands for carbon sequestration.These overlap areas primarily located in the urban area of Taiyuan City.Urban areas have both natural conditions favorable for P tomentosa,as well as high spatial demand for carbon sequestration.Thus,high-efficiency carbon sequestration species were rationally planted in urban areas,which not only absorbed CO_(2),but also purified the air.

关 键 词：毛泡桐 固碳 栽植区区划 ArcGIS空间分析 太原市 

分 类 号：S731.2[农业科学—林学]