Global biogeography of living brachiopods: Bioregionalization patterns and possible controls

The global distribution patterns of 14918 geo-referenced occurrences from 394 living brachiopod species were mapped in 5° grid cells, which enabled the visualization and delineation of distinct bioregions and biodiversity hotspots. Further investigation using cluster and network analyses allowed us...

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Bibliographic Details
Published in:PloS one 2021-11, Vol.16 (11), p.e0259004
Main Authors: Ye, Facheng, Shi, G R, Bitner, Maria Aleksandra
Format: Article
Language:English
Subjects:
Analysis
Animals
Biodiversity
Biodiversity hot spots
Biogeography
Biological diversity
Biology and Life Sciences
Chemical analysis
Climate effects
Coastal currents
Coastal upwelling
Datasets
Distribution patterns
Earth Sciences
Ecology and Environmental Sciences
Ecosystem
Ecosystems
Endangered & extinct species
Extinction
Geology
Geospatial data
Gyres
Hot spots (geology)
Information systems
Invertebrates - physiology
Land bridges
Life sciences
Ocean currents
Oceans
Paleobiology
People and Places
Phylogeography
Physical Sciences
Research and Analysis Methods
Seawater
Taxonomy
Temperature variations
Upwelling
Water analysis
Zonation
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Summary:The global distribution patterns of 14918 geo-referenced occurrences from 394 living brachiopod species were mapped in 5° grid cells, which enabled the visualization and delineation of distinct bioregions and biodiversity hotspots. Further investigation using cluster and network analyses allowed us to propose the first systematically and quantitatively recognized global bioregionalization framework for living brachiopods, consisting of five bioregions and thirteen bioprovinces. No single environmental or ecological variable is accountable for the newly proposed global bioregionalization patterns of living brachiopods. Instead, the combined effects of large-scale ocean gyres, climatic zonation as well as some geohistorical factors (e.g., formation of land bridges and geological recent closure of ancient seaways) are considered as the main drivers at the global scale. At the regional scale, however, the faunal composition, diversity and biogeographical differentiation appear to be mainly controlled by seawater temperature variation, regional ocean currents and coastal upwelling systems.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0259004