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Evaluation of habitat requirements of small rodents and effectiveness of an ecologically-based management in a hantavirus-endemic natural protected area in Argentina

引用

Integrative Zoology 2017年第1期12卷 77-94页

作者： María Victoria VADELL francisco garcía erize Isabel Elisa GÓMEZ VILLAFAÑE Department of Ecology Genetics and Evolution.Institute of EcologyGenetics and Evolution(IEGEBA-CONICET).University of Buenos AiresBuenos AiresArgentina Institute of Research and Environmental Engineering(3iA).University of San Martín San MartínBuenos AiresArgentina

Hantavirus pulmonary syndrome is a severe cardio pulmonary disease transmitted to humans by sylvan rodents found in natural and rural *** transmission is closely linked to the ecology of animal reservoirs and abiotic factors such as habitat characteristics,season or climatic *** main goals of this research were:to determine the biotic and abiotic factors affecting richness and abundance of rodent species at different spatial scales,to evaluate different methodologies for studying population of small rodents,and to describe and analyze an ecologically-based rodent management experience in a highly touristic area.A 4-year study of small rodent ecology was conducted between April 2007 and August 2011 in the most relevant habitats of El Palmar National Park,*** involved a wide range of control and prevention measures,including poisoning,culling and habitat modification.A total of 172 individuals of 5 species were captured with a trapping effort of 13860 traps-nights(1.24 individuals/100 traps-nights).Five rodent species were captured,including 2 hantavirus-host species,Oligoryzomys nigripes and Akodon *** nigripes,host of a hantavirus that is pathogenic in humans,was the most abundant species and the only one found in all the studied *** results are inconsistent with the dilution effect *** present study demonstrates that sylvan rodent species,including the hantavirus-host species,have distinct local habitat selection and temporal variation patterns in abundance,which may influence the risk of human exposure to hantavirus and may have practical implications for disease transmission as well as for reservoir management.

关键词： abundance disease prevention habitat use population dynamics zoonosis

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