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Combining climatic projections and dispersal ability : a method for estimating the responses of sandfly vector species to climate change

Titelangaben

Fischer, Dominik ; Moeller, Philipp ; Thomas, Stephanie ; Naucke, Torsten J. ; Beierkuhnlein, Carl:
Combining climatic projections and dispersal ability : a method for estimating the responses of sandfly vector species to climate change.
In: PLoS Neglected Tropical Diseases. Bd. 5 (2011) Heft 11 . - No. e1407.
ISSN 1935-2735
DOI: https://doi.org/10.1371/journal.pntd.0001407

Abstract

Background:In the Old World, sandfly species of the genus Phlebotomus are known vectors of Leishmania, Bartonella and several viruses. Recent sandfly catches and autochthonous cases of leishmaniasis hint on spreading tendencies of the vectors towards Central Europe. However, studies addressing potential future distribution of sandflies in the light of a changing European climate are missing.Methodology:Here, we modelled bioclimatic envelopes using MaxEnt for five species with proven or assumed vector competence for Leishmania infantum, which are either predominantly located in south-western (Phlebotomus ariasi, P. mascittii and P. perniciosus) or south-eastern Europe (P. neglectus and P. perfiliewi). The determined bioclimatic envelopes were transferred to two climate change scenarios (A1B and B1) for Central Europe (Austria, Germany and Switzerland) using data of the regional climate model COSMO-CLM. We detected the most likely way of natural dispersal (“least-cost path”) for each species and hence determined the accessibility of potential future climatically suitable habitats by integrating landscape features, projected changes in climatic suitability and wind speed.Results and relevance:Results indicate that Central European climate will become increasingly suitable especially for those vector species with a current south-western focus of distribution. In general, highest suitability of Central Europe is projected for all species in the second half of the 21st century, except P. perfiliewi. Nevertheless, we show that sandflies will hardly be able to occupy their whole provided climatic niche due to limited dispersal ability. A northward spread of species with south-eastern focus of distribution may be constrained but not completely avoided by the Alps. Our results can be used to install specific monitoring systems to the projected risk zones of potential sandfly establishment. This is urgently needed for adaptation and coping strategies against the emerging spread of sandfly-borne diseases.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Zusätzliche Informationen: BAYCEER101797
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Biogeographie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Lehrstuhl Biogeographie > Lehrstuhl Biogeographie - Univ.-Prof. Dr. Carl Beierkuhnlein
Forschungseinrichtungen > Forschungszentren > Bayreuther Zentrum für Ökologie und Umweltforschung - BayCEER
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik
Eingestellt am: 05 Mai 2015 12:10
Letzte Änderung: 01 Sep 2022 07:00
URI: https://eref.uni-bayreuth.de/id/eprint/12774