[1]李玉杰,付晖,张源,等. 海口市景观格局梯度时空分异特征及响应机制[J].西北林学院学报,2020,35(6):258-268.[doi:10.3969/j.issn.1001-7461.2020.06.36]
 LI Yu-jie,FU Hui,ZHANG Yuan,et al. Landscape Pattern Gradient Research on Spatio-temporal Differentiation Characteristics and Response Mechanism in Haikou[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(6):258-268.[doi:10.3969/j.issn.1001-7461.2020.06.36]
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 海口市景观格局梯度时空分异特征及响应机制()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第6期
页码:
258-268
栏目:
出版日期:
2020-11-30

文章信息/Info

Title:
 Landscape Pattern Gradient Research on Spatio-temporal Differentiation Characteristics and Response Mechanism in Haikou
文章编号:
1001-7461(2020)06-0258-11
作者:
 李玉杰1付晖1张源2马昊1许先升1*
 (1.海南大学 林学院,海南 海口 570228;2.苏州大学 金螳螂建筑学院,江苏 苏州 215123)
Author(s):
 LI Yu-jie1FU Hui1ZHANG Yuan2MA Hao1XU Xian-sheng1*
 (1.Forestry College,Hainan University,Haikou 570228,Hainan,China; 2.Gold Mantis School of Architecture and Urban Environment,Soochow University,Suzhou 215123,Jiangsu,China)
关键词:
 城镇化梯度分析移动窗格法城镇化响应强度
Keywords:
 urbanization gradient analysis moving window method urbanization response intensity
分类号:
S731.2
DOI:
10.3969/j.issn.1001-7461.2020.06.36
文献标志码:
A
摘要:
 为深入理解快速城镇化对岛屿城市景观格局的影响,以海口市为研究对象,基于2000、2005、2010、2015年和2018年5期遥感影像,结合POI(piont of interest)核密度以及OSM(open street map)路网密度数据确定7条样带,对海口市景观格局梯度时空分异特征及响应机制进行分析。结果表明:1)就同一时相各样带斑块破碎度和景观多样性整体分异特征来说,穿越城市核心区样带bB的PD(斑块密度)和SHDI(香农多样性指数)值均最大,位于郊区的样带fF的PD和SHDI值均最小,可见样带整体格局对城镇化水平、规划、政策响应明显;2)随着城市核心区距离变大,城乡交错带的斑块破碎度和景观多样性不断提升,聚集度降低,连通性变差。2010年后,城镇化进程加快、江东新区开发和热带农业集群化引起景观格局的强响应;3)2000-2018年,样带bB窗格6、样带cC窗格2、样带dD窗格2~3处LPI(最大斑块指数)均最高,城镇化不均匀推进,导致AWMPFD(面积加权平均斑块分维数)波动显著。研究结果可为该区域生态城市规划和城乡协调提供决策依据。
Abstract:
 In order to understand the influences of fast-going urbanization on the landscape pattern of island city,Haihou,one of the island cities in China was taken as the research object.Based on remote sensing images in 2000,2005,2010,2015,and 2018,combined with POI(point of interest)and OSM (open street map),the spatio-temporal gradient differentiation characteristics and response mechanism of the landscape pattern of Haikou were investigated.The results showed that 1) with the respect of the plaque fragmentation and the overall differentiation of landscape diversity,the values of PD (patch density) and SHDI (Shannon’s diversity index) in transect “bB” that was sampled across the urban core zone were the maximum.While the transect “fF” that was sampled from the outskirts of the city presented the minimum PD and SHDI values,indicating the significant responses of the overall patterns of the transects tothe level,schemes and policies of urbanization.2) With the increase of the distance from the core zone of the city,the degree of fragmentation the diversity of the landscape in urban-rural interlaced zone increased,while the degree of aggregation decreased,and the connectivity was degraded.In particular,after 2010,the whole landscape pattern had transformed overwhelmingly to response the acceleration of urbanization,the development of Jiangdong New Area,and the cluster development of tropical agriculture.3) During 2000-2018,the values of LPI (largest patch index) were the highest in Pane 6 of the transect “bB”,Pane 2 of the tansect “cC”,and Pane 2-3 of the transect “dD”.The uneven development of urbanization resulted in significant fluctuation of AWMPFD (area-weighted mean patch fractal dimension).The result of this study can provide references for the decision making data for the planning of Haikou City and urban-rural coordination.

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备注/Memo

备注/Memo:
 收稿日期:2019-12-20修回日期:2020-05-30
基金项目:海南省自然科学基金(318QN194);海南省哲学社会科学规划课题(HNSK(QN)18-06)。
作者简介:李玉杰,硕士。研究方向:景观生态规划与风景园林规划设计。E-mail:1741803980@qq.com
*通信作者:许先升,博士,教授。研究方向:风景园林规划设计。E-mail:xxs918@163.com
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