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生物入侵对城市景观生态安全的影响与对策(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2004年04期
Page:
84-88
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Effect of Biological Invasion on Ecological Safety of Urban Landscape and Defending Strategy
Article ID:
1000-2006(2004)04-0084-05
Author(s):
LI Ming-yang
College of Forest Resources and Environment Nanjing Forestry University,Nanjing 210037,China
Keywords:
Alien invasive speciesUrban ecological safetyDefending strategy
Classification number :
X171
DOI:
10.3969/j.jssn.1000-2006.2004.04.020
Document Code:
A
Abstract:
Urban landscape is unstable,open outward,fragmented and fragile,which is apt to the invasion of alien species.Alien grass,rodent beasts and infectious insects constitute high percentage of urban plants and wild animals. In urban breedings and agriculture,many alien species are imported,especially the pets like cats and dogs.Alien invasive species can bring infectious diseases,constituting a huge threat to people’s health.They reduce the aesthetic value of urban landscape and handicap the healthy development of tourism.Besides,they can destroy the urban infrastructure and induce many disasters,threatening urban ecological safety.Based on the analysis of the characteristics of the areas which are fragile to the invasion of alien species,the theory of safety pattern of landscape ecology is applied to make a spatial strategy to defend alien biological invasion.

References

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Last Update: 1900-01-01