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Bimodality of Latitudinal Gradients in Marine Species Richness.
Trends Ecol Evol. 2016 09; 31(9):670-676.TE

Abstract

The paradigm for the latitudinal gradient in species richness is that it is unimodal with a tropical peak. For 27 published studies, and global datasets of 65 000 recent and 50 000 fossil marine species, we found that almost all datasets were significantly bimodal with a dip in species richness near the equator. The locations of mid-latitude peaks varied between taxa and were higher in the northern hemisphere where the continental shelf is greatest. Our findings support hypotheses of tropical species evolving in response to temperature variation near the edges of the tropics and available high-productivity habitat. They suggest that the equator may already be too hot for some species and that the modes may move further apart due to climate warming.

Authors+Show Affiliations

Institute of Marine Science, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.Institute of Marine Science, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.Institute of Marine Science, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand. Electronic address: m.costello@auckland.ac.nz.

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

27372733

Citation

Chaudhary, Chhaya, et al. "Bimodality of Latitudinal Gradients in Marine Species Richness." Trends in Ecology & Evolution, vol. 31, no. 9, 2016, pp. 670-676.
Chaudhary C, Saeedi H, Costello MJ. Bimodality of Latitudinal Gradients in Marine Species Richness. Trends Ecol Evol. 2016;31(9):670-676.
Chaudhary, C., Saeedi, H., & Costello, M. J. (2016). Bimodality of Latitudinal Gradients in Marine Species Richness. Trends in Ecology & Evolution, 31(9), 670-676. https://doi.org/10.1016/j.tree.2016.06.001
Chaudhary C, Saeedi H, Costello MJ. Bimodality of Latitudinal Gradients in Marine Species Richness. Trends Ecol Evol. 2016;31(9):670-676. PubMed PMID: 27372733.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Bimodality of Latitudinal Gradients in Marine Species Richness. AU - Chaudhary,Chhaya, AU - Saeedi,Hanieh, AU - Costello,Mark J, Y1 - 2016/06/29/ PY - 2016/02/28/received PY - 2016/05/26/revised PY - 2016/06/02/accepted PY - 2016/7/4/entrez PY - 2016/7/4/pubmed PY - 2017/12/5/medline KW - biodiversity KW - biogeography KW - climate change. KW - habitat KW - latitude KW - temperature SP - 670 EP - 676 JF - Trends in ecology & evolution JO - Trends Ecol Evol VL - 31 IS - 9 N2 - The paradigm for the latitudinal gradient in species richness is that it is unimodal with a tropical peak. For 27 published studies, and global datasets of 65 000 recent and 50 000 fossil marine species, we found that almost all datasets were significantly bimodal with a dip in species richness near the equator. The locations of mid-latitude peaks varied between taxa and were higher in the northern hemisphere where the continental shelf is greatest. Our findings support hypotheses of tropical species evolving in response to temperature variation near the edges of the tropics and available high-productivity habitat. They suggest that the equator may already be too hot for some species and that the modes may move further apart due to climate warming. SN - 1872-8383 UR - https://www.unboundmedicine.com/medline/citation/27372733/Bimodality_of_Latitudinal_Gradients_in_Marine_Species_Richness_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0169-5347(16)30067-2 DB - PRIME DP - Unbound Medicine ER -
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