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The failed invasion of Harmonia axyridis in the Azores, Portugal: Climatic restriction or wrong population origin?

Insect Science 2021年第1期28卷 238-250页

作者： Alberto J.Alaniz Antonio OSoares Pablo M.Vergara Eduardo Brito de Azevedo Audrey A.Grez Laboratorio de ecologia de ambientes Fragmentados Departamento de Ciencias Biologicas AnimatesFacultad de Ciencias VeterinariasPecuariasUniversidad de ChileChile centro de estudios en ecologia espacial y medio ambiente EcogeografiaSantiagoChile departamento de Gestion Agra ria Facultad TecnologicaUniversidad de Santiago de ChileChile Center for Ecology Evolution and Environmental Changes and Azorean Biodiversity GroupFaculty of Sciences and TechnologyUniversity of the AzoresPonta DelgadaPortugal Center of Climate Departamento de Ciencias AgrariasMeteorology and Global Change of the University of the Azores(CCMMG-CITA-A)Universidade dos AzoresAngra do HeroismoPortugal

We tested two questions:(i)whether the climatic conditions of the Azorean Islands in Portugal may have restricted the invasion of Harmonia axyridis across this archipelago and(ii)determine what population of this species could have a higher probability of invading the *** used Maxent to project the climate requirements of different *** populations from three regions of the world,and the potential global niche of the species in the Azorean *** we assessed the suitability of the islands for each of the three *** populations and global potential niche through histograms analysis,Principal Component Analysis(PCA)of climate variables,and a variable-by-variable assessment of the suitability response curves compared with the climatic conditions of the *** conditions of the Azores are less suitable for the *** native Asian populations of ***,and more suitable for European populations and the global potential *** PCA showed that the climatic conditions of the islands differed from the climatic requirements of *** difference is mainly explained by precipitation of the wettest month,isothermality,and the minimum temperature of the coldest *** concluded that the climatic conditions of the Azores could have influenced the establishment and spread of *** on these islands from *** results showed that abiotic resistance represented by the climate of the potentially colonizable zones could hinder the establishment of invasive insects,but it could vary depending of the origin of the colonizing population.

关键词： climatic suitability Harlequin ladybird Invasibility invasive alien species Niche analysis Species Distribution Model

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Evolutionary Genetics of Invasive Mammal Species Introduced in Argentina

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Natural Science 2018年第7期10卷 221-231页

作者： Marta S. Lizarralde Mariana Fasanella Sebastián Poljak Magali Gabrielli Julieta Sanchez Lab de ecologia Molecular Centro Austral de Investigaciones Científicas CADIC-CONICET. Av. Houssay Ushuaia Argentina Lab. ecologia Molecular Centro Regional de Estudios Genómicos-FCE-UNLP. La Plata Argentina Lab. Ecotono Instituto de Investigaciones en Biodiversidad y Medio Ambiente INIBIOMA-CONICET. Bariloche Argentina ICPA Universidad Nacional de Tierra del Fuego Ushuaia. Tierra del Fuego Argentina

Evolutionary genetics of invasive species has been unexplored in Argentina. Invasive alien species (IAS) have a wide geographical distribution, characteristic life cycles and great ability to adapt, establish and spread in a new environment. Recent advances in novel molecular technologies, the use of higher resolution genetic markers, and the research development on genetic variation of invasive species consolidated the importance of genetic aspects in the invasion process. Undoubtedly, the growing concern for the disturbances generated by invasive species on biodiversity and functioning of ecosystems was also determinant for the inclusion of the Invasion Biology within the broad field of Evolutionary Biology including relevant examples that address the evolutionary genetic aspects of biological invasions. Recent studies suggest that the invasion success of many species depends on their ability to respond to natural selection. Although the number of invasive species registered in Argentina far exceeds 600, little research has been done on invasive mammal species and only five of them were hitherto genetically analyzed. Presuming that invasion genetics is incorporated into the agenda of control and management organizations, it would allow integrating the ecological, genetic, and evolutionary biology aspects for knowledge of invasive species widely distributed in Argentina. The objective of this article is to highlight the importance of evaluating the genetic structure of invasive species for their management and to inform about the invasive species of mammals that were introduced in Argentina and have been or are being analyzed genetically.

关键词： Evolutionary Genetics Invasive Mammals Argentina

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