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Historical biogeography supports Point Conception as the site of turnover between temperate East Pacific ichthyofaunas

Miller, Elizabeth Christina Paiva, Vitor Hugo Rodrigues

PloS one, 2023-09, Vol.18 (9), p.e0291776-e0291776 [同儕審閱期刊]

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題名:
Historical biogeography supports Point Conception as the site of turnover between temperate East Pacific ichthyofaunas
著者: Miller, Elizabeth Christina
Paiva, Vitor Hugo Rodrigues
主題: Biogeography ; Biology and Life Sciences ; Climate change ; Cold ; Computer and Information Sciences ; Datasets ; Earth Sciences ; Ecology and Environmental Sciences ; Environmental protection ; Evaluation ; Fish ; Fog ; Ichthyological research ; Oceanographic conditions ; People and places ; Phylogenetics ; Species richness ; Upwelling
所屬期刊: PloS one, 2023-09, Vol.18 (9), p.e0291776-e0291776
描述: The cold temperate and subtropical marine faunas of the Northeastern Pacific meet within California as part of one of the few eastern boundary upwelling ecosystems in the world. Traditionally, it is believed that Point Conception is the precise site of turnover between these two faunas due to sharp changes in oceanographic conditions. However, evidence from intraspecific phylogeography and species range terminals do not support this view, finding stronger biogeographic breaks elsewhere along the coast. Here I develop a new application of historical biogeographic approaches to uncover sites of transition between faunas without needing an a priori hypothesis of where these occur. I used this approach to determine whether the point of transition between northern and southern temperate faunas occurs at Point Conception or elsewhere within California. I also examined expert-vetted latitudinal range data of California fish species from the 1970s and the 2020s to assess how biogeography could change with the backdrop of climate change. The site of turnover was found to occur near Point Conception, in concordance with the traditional view. I suggest that recent species- and population-level processes could be expected to give signals of different events from historical biogeography, possibly explaining the discrepancy across studies. Species richness of California has increased since the 1970s, mostly due to species’s ranges expanding northward from Baja California (Mexico). Range shifts under warming conditions seem to be increasing the disparity between northern and southern faunas of California, creating a more divergent biogeography.
出版者: San Francisco: Public Library of Science
語言: 英文
識別號: ISSN: 1932-6203
EISSN: 1932-6203
DOI: 10.1371/journal.pone.0291776
PMID: 37725614
資源來源: Publicly Available Content Database
Academic Search Premier
DOAJ Directory of Open Access Journals
Agricultural & Environmental Science Collection

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Historical biogeography supports Point Conception as the site of turnover between temperate East Pacific ichthyofaunas

Miller, Elizabeth Christina Paiva, Vitor Hugo Rodrigues

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