Testing the deep-sea glacial disturbance hypothesis as a cause of low, present-day Norwegian Sea diversity and resulting steep latitudinal diversity gradient, using fossil records SCIE SCOPUS

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Title
Testing the deep-sea glacial disturbance hypothesis as a cause of low, present-day Norwegian Sea diversity and resulting steep latitudinal diversity gradient, using fossil records
Author(s)
Joest, Kim Anna beate; Huang, Huai-Hsuan M.; Hong, Yuanyuan; Wei, Chih-Lin; Bauch, Henning A.; Thibodeau, Benoit; Cronin, Thomas M.; Okahashi, Hisayo; Yasuhara, Moriaki
KIOST Author(s)
Joest, Kim Anna beate(Joest, Kim Anna beate)
Alternative Author(s)
ANNA
Publication Year
2024-07
Abstract
Within the intensively-studied, well-documented latitudinal diversity gradient, the deep-sea biodiversity of the present-day Norwegian Sea stands out with its notably low diversity, constituting a steep latitudinal diversity gradient in the North Atlantic. The reason behind this has long been a topic of debate and speculation. Most prominently, it is explained by the deep-sea glacial disturbance hypothesis, which states that harsh environmental glacial conditions negatively impacted Norwegian Sea diversities, which have not yet fully recovered. Our aim is to empirically test this hypothesis. Specific research questions are: (1) Has deep-sea biodiversity been lower during glacials than during interglacials? (2) Was there any faunal shift at the Mid-Brunhes Event (MBE) when the mode of glacial–interglacial climatic change was altered?
ISSN
1466-822X
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/45572
DOI
10.1111/geb.13844
Bibliographic Citation
Global Ecology and Biogeography, v.33, no.7, 2024
Publisher
Blackwell Publishing Inc.
Keywords
deep-sea diversity; faunal turnover; macroecological patterns; Mid-Brunhes Event; North Atlantic; Ostracoda
Type
Article
Language
English
Document Type
Article; Early Access
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