NDLI: Ecological security in downtown area of Chongqing City

Content Provider	IEEE Xplore Digital Library
Author	Xiaosong Lin Hua Yang
Copyright Year	2011
Description	Author affiliation: College of Geographical Sciences, Chongqing Normal University, China (Hua Yang) \|\| College of river&sea, Chongqing JiaoTong University, China (Xiaosong Lin)
Abstract	Landscape pattern in downtown area of Chongqing City is studied by using four sets of land use data in 1978, 1988, 1993 and 2006, quantitative methods of landscape ecology and techniques of RS & GIS. Firstly, landscape is classified into six types of City, woodland, Non-irrigated field, Lake-reservoir, Irrigable land, and Bush by using remote sensing image. Secondly, depended on spatial analysis function of GIS, indexes of fragment, isolation, dominance, disturbance, frangibility and risk of each landscape in different periods are calculated. Thirdly, according to the causality of ecological risk and landscape pattern, the relation of ecological security and landscape pattern is build and index of integrated ecological security is calculated. Results showed that: (1)Form 1978,ecological security is favorable in downtown area of Chongqing city and a series engineering for ecological construction have positive effects to environment. but human activities and city expand are aggravate natural degeneration step by step. (2) With the time elapsing and the development of economy, the change of the landscape indexes in different periods downtown area of Chongqing city are Complicated and anomalistic. The rhythm of the changes is consistent with city expand, population increase, and economy development.
Starting Page	2111
Ending Page	2114
File Size	984696
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5964723
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geographic Information Systems Ecological security Landscape index Radiation detectors Area measurement Cities and towns Nickel Downtown area of Chongqing city Security Indexes Land use/cover
Content Type	Text
Resource Type	Article

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