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Habitat evaluation for outbreak of Yangtze voles(Microtus fortis)and management implications

Integrative Zoology 2015年第3期10卷 267-281页

作者： Zhenggang XU Yunlin ZHAO Bo LI Meiwen ZHANG Guo SHEN Yong WANG Dongting Lake Station for Wetland Ecosystem Observation and Research Key Laboratory of Agro-ecological Process in Subtropical RegionInstitute of Subtropical AgricultureChinese Academy of SciencesChangshaChina Hu Nan City University YiyangChina

rodent pests severely damage agricultural *** risk models of rodent pests often do not include sufficient information regarding geographic *** plays an important role in rodent-pest outbreak risk,and more information about the relationship between habitat and crop protection is urgently *** goal of the present study was to provide an outbreak risk map for the Dongting Lake region and to understand the relationship between rodent-pest outbreak variation and habitat *** main rodent pests in the Dongting Lake region are Yangtze voles(Microtus fortis).These pests cause massive damage in outbreak years,most notably in *** evaluation and ecological details were obtained by analyzing the correlation between habitat suitability and outbreak risk,as indicated by population density and historical *** the source-sink population,96.18%of Yangtze vole disaster regions were covered by a 10-km buffer zone of suitable habitat in *** outbreak frequency and peak population density were significantly correlated with the proportion of land covered by suitable habitat(r=0.68,P=0.04 and r=0.76,P=0.03,respectively).The Yangtze vole population tends to migrate approximately 10 km in outbreak ***,we propose a practical method for habitat evaluation that can be used to create integrated pest management plans for rodent pests when combined with basic information on the biology,ecology and behavior of the target species.

关键词： geographical information systems habitat evaluation remote sensing rodent pest management Yangtze vole

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