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The differential genetic signatures related to climatic landscapes for jaguars and pumas on a continental scale

Integrative Zoology 2021年第1期16卷 2-18页

作者： Marina ZANIN Noa GONZALEZ-BORRAJO Cuauhtémoc CHÁVEZ yamel rubio Bart HARMSEN Claudia KELLER Pablo VILLALVA Ana Carolina SRBEK-ARAUJO Leonora Pires COSTA Francisco PALOMARES Biology Department Federal University of MaranhãoSão LuísBrazil Departamento de Biologia de la Conservación Estación Biológica de DoñanaSevillaSpain Departamento de Ciencias Ambientales Universidad Autónoma MetropolitanaMexico CityMexico Escuela de Biologia Universidad Autónoma de SinaloaCuliacánMexico Panthera New YorkUSA Biodiversity Coordination Amazon Research InstituteManausBrazil Biology Department Vila Velha UniversityVila VelhaBrazil Biological Sciences Department Federal University of Espírito SantoVitóriaBrazil

Modern and paleoclimate changes may have altered species dynamics by shifting species’niche suitability over space and *** analyze whether the current genetic structure and isolation of the two large American felids,jaguar(Panthera onca)and puma(Puma concolor),are mediated by changes in climatic suitability and connection routes over modern and paleoclimatic *** estimate species distribution under 5 climatic landscapes(modern,Holocene,last maximum glaciations[LMG],average suitability,and climatic instability)and correlate them with individuals’genetic isolation through causal modeling on a resemblance *** species exhibit genetic isolation patterns correlated with LMG climatic suitability,suggesting that these areas may have worked as“allele refuges.”However,the jaguar showed higher vulnerability to climate changes,responding to modern climatic suitability and connection routes,whereas the puma showed a continuous and gradual transition of genetic *** differential responsiveness to climate change,both species are subjected to the climatic effects on genetic configuration,which may make them susceptible to future climatic changes,since these are progressing faster and with higher intensity than changes in the ***,the effects of climatic changes should be considered in the design of conservation strategies to ensure evolutionary and demographic processes mediated by gene flow for both species.

关键词： causal modeling climatic landscape ecological niche modeling gene flow linear mixed model

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