Extreme longevity in proteinaceous deep-sea corals. Roark, Brendan, E., Guilderson, T. P., Dunbar, R. B., Fallon, S. J., & Mucciarone, D. A. Proceedings of the National Academy of Sciences, 106(13):5204--5208, March, 2009. ![Extreme longevity in proteinaceous deep-sea corals [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Deep-sea corals are found on hard substrates on seamounts and continental margins worldwide at depths of 300 to ≈3,000 m. Deep-sea coral communities are hotspots of deep ocean biomass and biodiversity, providing critical habitat for fish and invertebrates. Newly applied radiocarbon age dates from the deep water proteinaceous corals Gerardia sp. and Leiopathes sp. show that radial growth rates are as low as 4 to 35 μm year−1 and that individual colony longevities are on the order of thousands of years. The longest-lived Gerardia sp. and Leiopathes sp. specimens were 2,742 years and 4,265 years, respectively. The management and conservation of deep-sea coral communities is challenged by their commercial harvest for the jewelry trade and damage caused by deep-water fishing practices. In light of their unusual longevity, a better understanding of deep-sea coral ecology and their interrelationships with associated benthic communities is needed to inform coherent international conservation strategies for these important deep-sea habitat-forming species.
@article{ roark_extreme_2009,
title = {Extreme longevity in proteinaceous deep-sea corals},
volume = {106},
issn = {0027-8424, 1091-6490},
url = {http://www.pnas.org/content/106/13/5204},
doi = {10.1073/pnas.0810875106},
abstract = {Deep-sea corals are found on hard substrates on seamounts and continental margins worldwide at depths of 300 to ≈3,000 m. Deep-sea coral communities are hotspots of deep ocean biomass and biodiversity, providing critical habitat for fish and invertebrates. Newly applied radiocarbon age dates from the deep water proteinaceous corals Gerardia sp. and Leiopathes sp. show that radial growth rates are as low as 4 to 35 μm year−1 and that individual colony longevities are on the order of thousands of years. The longest-lived Gerardia sp. and Leiopathes sp. specimens were 2,742 years and 4,265 years, respectively. The management and conservation of deep-sea coral communities is challenged by their commercial harvest for the jewelry trade and damage caused by deep-water fishing practices. In light of their unusual longevity, a better understanding of deep-sea coral ecology and their interrelationships with associated benthic communities is needed to inform coherent international conservation strategies for these important deep-sea habitat-forming species.},
language = {English},
number = {13},
journal = {Proceedings of the National Academy of Sciences},
author = {Roark, E. Brendan and Guilderson, Thomas P. and Dunbar, Robert B. and Fallon, Stewart J. and Mucciarone, David A.},
month = {March},
year = {2009},
keywords = {Gerardia sp., Leiopathes sp., age and growth rate, radiocarbon, stable isotopes},
pages = {5204--5208}
}
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