武钢厂区绿地景观类型空间结构及滞尘效应  

The Spatial Structures and the Dust Retention Effects of Green-land Types in the Workshop District of Wuhan Iron and Steel Company

作　　者：周志翔[1] 邵天一[1] 王鹏程[1] 高翅[1] 徐永荣[1] 郭尔祥[2] 徐隆辉[2] 叶贞清[2] 彭行梅[2] 于春杰[2] 

机构地区：[1]华中农业大学林学系,武汉430070 [2]武汉钢铁公司,武汉430083

出　　处：《生态学报》2002年第12期2036-2040,共5页Acta Ecologica Sinica

基　　金：武汉钢铁 (集团 )公司绿化科研资助项目

摘　　要：应用景观生态学原理和对比分析方法分别对武钢厂区绿地景观类型的空间结构及滞尘效应进行了研究。结果表明 ,武钢厂区绿地斑块数目多、破碎化指数高 ,体现了工业区见缝插绿的绿化特点 ,以道路绿带为骨架、成片防护林和观赏绿地为中心 ,将各分厂绿地连接成四大绿化区域的武钢厂区绿地系统已初步形成。其滞尘效应主要表现为对交通污染物及二次飞扬的阻滞作用。以乔木为主的防护林斑块平均面积大、滞尘效果好 ,滞尘率达 38.9%～ 4 6 .1% ,但优势度不高。专类园和观赏草坪斑块植物种类丰富、景观效果好 ,但滞尘效果较差。道路绿带优势度和破碎化指数最高 ,构成了厂区绿色廊道网络 ,并在阻滞交通污染中起着重要作用 ,其中多行复层绿带的滞尘率 ( 46 .2 %～ 6 0 .8% )比单行乔木绿带的滞尘率 ( 14 .8%～ 39.2 % )高。但道路绿带仍不完整 ,多行复层绿带的比例不高。The landscape green lands has an important role on maintaining the balance of urban or industrial district ecosystem, especially, smoothing away air pollutant and improving air quality of air pollution area. However, the ecological functions of green lands has a closed relation with the landscape types and the spatial structures of green lands when the percentage of green land coverage is less than 40%. In this paper, the green lands in the workshop district of Wuhan Iron and Steel Company are classified to four kinds of landscape types, including shelter forest, special plantation, ornamental turf and road greenbelt in light of the green land function. The spatial structure and the dust retention effect of green lands in the workshop district are analyzed on basis of the investigating of the green land types and spatial structures and the comparative monitoring of total suspension particle (TSP) respectively. The results show that, there are total 518 green land patches and 137.98hm 2 green land area with 15.41 percentage of green land coverage in the workshop district. The average area of all green land patches is 2663.71m 2 and the fragmentation index is up to 3.75ind/hm 2. The number of patches and the high fragmentation index of the green lands in the workshop district reflect an afforestation characteristic of “making use of every bit of space” in an industrial region. The green land system is initially formed by means of the four green land landscape districts using the shelter forests and ornamental green lands in large patch as a center connected by road greenbelts. All kinds of green lands take mainly effects on obstructing traffic pollutant and removing dust secondary flying up. The shelter forests composed mainly of tree species with 83.5% tree layer coverage has a maximum average patch area and an effective dust retention capability with 38.9~46.1 percentage of dust retention, however the area of shelter forests should be raised up because of the relatively low patch dominance

关 键 词：武钢厂区 绿地 景观类型 空间结构 滞尘效应 

分 类 号：X171[环境科学与工程—环境科学]