Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni

Amblyomma maculatum (Gulf Coast tick), and Dermacentor andersoni (Rocky Mountain wood tick) are two North American ticks that transmit spotted fevers associated Rickettsia. Amblyomma maculatum transmits Rickettsia parkeri and Francisella tularensis, while D. andersoni transmits R. rickettsii, Anapla...

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Main Authors: Abdelghafar Alkishe, A. Townsend Peterson
Format: Article
Language:English
Published: PeerJ Inc. 2022-05-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/13279.pdf
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author Abdelghafar Alkishe
A. Townsend Peterson
author_facet Abdelghafar Alkishe
A. Townsend Peterson
author_sort Abdelghafar Alkishe
collection DOAJ
description Amblyomma maculatum (Gulf Coast tick), and Dermacentor andersoni (Rocky Mountain wood tick) are two North American ticks that transmit spotted fevers associated Rickettsia. Amblyomma maculatum transmits Rickettsia parkeri and Francisella tularensis, while D. andersoni transmits R. rickettsii, Anaplasma marginale, Coltivirus (Colorado tick fever virus), and F. tularensis. Increases in temperature causes mild winters and more extreme dry periods during summers, which will affect tick populations in unknown ways. Here, we used ecological niche modeling (ENM) to assess the potential geographic distributions of these two medically important vector species in North America under current condition and then transfer those models to the future under different future climate scenarios with special interest in highlighting new potential expansion areas. Current model predictions for A. maculatum showed suitable areas across the southern and Midwest United States, and east coast, western and southern Mexico. For D. andersoni, our models showed broad suitable areas across northwestern United States. New potential for range expansions was anticipated for both tick species northward in response to climate change, extending across the Midwest and New England for A. maculatum, and still farther north into Canada for D. andersoni.
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spelling doaj.art-de41f22398cf4a78ae887065964765ca2023-12-02T23:31:18ZengPeerJ Inc.PeerJ2167-83592022-05-0110e1327910.7717/peerj.13279Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoniAbdelghafar Alkishe0A. Townsend Peterson1Biodiversity Institute, University of Kansas, Lawrence, KS, United States of AmericaBiodiversity Institute, University of Kansas, Lawrence, KS, United States of AmericaAmblyomma maculatum (Gulf Coast tick), and Dermacentor andersoni (Rocky Mountain wood tick) are two North American ticks that transmit spotted fevers associated Rickettsia. Amblyomma maculatum transmits Rickettsia parkeri and Francisella tularensis, while D. andersoni transmits R. rickettsii, Anaplasma marginale, Coltivirus (Colorado tick fever virus), and F. tularensis. Increases in temperature causes mild winters and more extreme dry periods during summers, which will affect tick populations in unknown ways. Here, we used ecological niche modeling (ENM) to assess the potential geographic distributions of these two medically important vector species in North America under current condition and then transfer those models to the future under different future climate scenarios with special interest in highlighting new potential expansion areas. Current model predictions for A. maculatum showed suitable areas across the southern and Midwest United States, and east coast, western and southern Mexico. For D. andersoni, our models showed broad suitable areas across northwestern United States. New potential for range expansions was anticipated for both tick species northward in response to climate change, extending across the Midwest and New England for A. maculatum, and still farther north into Canada for D. andersoni.https://peerj.com/articles/13279.pdfGulf Coast tickRocky Mountain wood tickEcological niche modelingClimate changeGCMsRCPs
spellingShingle Abdelghafar Alkishe
A. Townsend Peterson
Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni
PeerJ
Gulf Coast tick
Rocky Mountain wood tick
Ecological niche modeling
Climate change
GCMs
RCPs
title Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni
title_full Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni
title_fullStr Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni
title_full_unstemmed Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni
title_short Climate change influences on the geographic distributional potential of the spotted fever vectors Amblyomma maculatum and Dermacentor andersoni
title_sort climate change influences on the geographic distributional potential of the spotted fever vectors amblyomma maculatum and dermacentor andersoni
topic Gulf Coast tick
Rocky Mountain wood tick
Ecological niche modeling
Climate change
GCMs
RCPs
url https://peerj.com/articles/13279.pdf
work_keys_str_mv AT abdelghafaralkishe climatechangeinfluencesonthegeographicdistributionalpotentialofthespottedfevervectorsamblyommamaculatumanddermacentorandersoni
AT atownsendpeterson climatechangeinfluencesonthegeographicdistributionalpotentialofthespottedfevervectorsamblyommamaculatumanddermacentorandersoni