Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis
Relationships were analyzed between sea surface temperature (SST) and annual growth characteristics (density, extension rate and calcification rate) of the Caribbean reef-building coral Montastraea annularis. Colonies were collected from 12 localities in the Gulf of Mexico and the Caribbean Sea. Two well-separated relationships were found, one for the Gulf of Mexico and the other for the Caribbean Sea. Calcification rate and skeletal density increased with increasing SST in both regions, while extension rate tended to decrease. Calcification rate increased 0.57 g cm-2 year-1 for each 1 °C increase in SST. Zero calcification was projected to occur at 23.7 °C in corals from the Gulf of Mexico and at 25.5 °C in corals from the Caribbean Sea. The 24 °C annual average SST isotherm marks the northern limit of distribution of M annularis. Montastraea annularis populations of the Gulf of Mexico are isolated from those of the Caribbean Sea, and results indicate that corals from the Gulf of Mexico are adapted to growth at lower minimum and average annual SST. Corals from both the Gulf of Mexico and the Caribbean Sea, growing at lower SSTs and having lower calcification rates, extend their skeletons the same or more than those growing at higher SSTs. They achieve this by putting more of their calcification resources into extension and less into thickening, i.e., by sacrificing density.
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Subjects: | Arrecifes de coral, Temperatura del océano, Montastraea annularis, Crecimiento, |
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KOHA-OAI-ECOSUR:199112024-03-12T13:00:32ZSea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis Carricart Ganivet, Juan P. Doctor autor/a 2031 textengRelationships were analyzed between sea surface temperature (SST) and annual growth characteristics (density, extension rate and calcification rate) of the Caribbean reef-building coral Montastraea annularis. Colonies were collected from 12 localities in the Gulf of Mexico and the Caribbean Sea. Two well-separated relationships were found, one for the Gulf of Mexico and the other for the Caribbean Sea. Calcification rate and skeletal density increased with increasing SST in both regions, while extension rate tended to decrease. Calcification rate increased 0.57 g cm-2 year-1 for each 1 °C increase in SST. Zero calcification was projected to occur at 23.7 °C in corals from the Gulf of Mexico and at 25.5 °C in corals from the Caribbean Sea. The 24 °C annual average SST isotherm marks the northern limit of distribution of M annularis. Montastraea annularis populations of the Gulf of Mexico are isolated from those of the Caribbean Sea, and results indicate that corals from the Gulf of Mexico are adapted to growth at lower minimum and average annual SST. Corals from both the Gulf of Mexico and the Caribbean Sea, growing at lower SSTs and having lower calcification rates, extend their skeletons the same or more than those growing at higher SSTs. They achieve this by putting more of their calcification resources into extension and less into thickening, i.e., by sacrificing density.Relationships were analyzed between sea surface temperature (SST) and annual growth characteristics (density, extension rate and calcification rate) of the Caribbean reef-building coral Montastraea annularis. Colonies were collected from 12 localities in the Gulf of Mexico and the Caribbean Sea. Two well-separated relationships were found, one for the Gulf of Mexico and the other for the Caribbean Sea. Calcification rate and skeletal density increased with increasing SST in both regions, while extension rate tended to decrease. Calcification rate increased 0.57 g cm-2 year-1 for each 1 °C increase in SST. Zero calcification was projected to occur at 23.7 °C in corals from the Gulf of Mexico and at 25.5 °C in corals from the Caribbean Sea. The 24 °C annual average SST isotherm marks the northern limit of distribution of M annularis. Montastraea annularis populations of the Gulf of Mexico are isolated from those of the Caribbean Sea, and results indicate that corals from the Gulf of Mexico are adapted to growth at lower minimum and average annual SST. Corals from both the Gulf of Mexico and the Caribbean Sea, growing at lower SSTs and having lower calcification rates, extend their skeletons the same or more than those growing at higher SSTs. They achieve this by putting more of their calcification resources into extension and less into thickening, i.e., by sacrificing density.Adobe Acrobat profesional 6.0 o superiorArrecifes de coralTemperatura del océanoMontastraea annularisCrecimientoDisponible en líneaJournal of Experimental Marine Biology and EcologyDisponible para usuarios de ECOSUR con su clave de acceso |
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Arrecifes de coral Temperatura del océano Montastraea annularis Crecimiento Arrecifes de coral Temperatura del océano Montastraea annularis Crecimiento |
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Arrecifes de coral Temperatura del océano Montastraea annularis Crecimiento Arrecifes de coral Temperatura del océano Montastraea annularis Crecimiento Carricart Ganivet, Juan P. Doctor autor/a 2031 Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis |
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Relationships were analyzed between sea surface temperature (SST) and annual growth characteristics (density, extension rate and calcification rate) of the Caribbean reef-building coral Montastraea annularis. Colonies were collected from 12 localities in the Gulf of Mexico and the Caribbean Sea. Two well-separated relationships were found, one for the Gulf of Mexico and the other for the Caribbean Sea. Calcification rate and skeletal density increased with increasing SST in both regions, while extension rate tended to decrease. Calcification rate increased 0.57 g cm-2 year-1 for each 1 °C increase in SST. Zero calcification was projected to occur at 23.7 °C in corals from the Gulf of Mexico and at 25.5 °C in corals from the Caribbean Sea. The 24 °C annual average SST isotherm marks the northern limit of distribution of M annularis. Montastraea annularis populations of the Gulf of Mexico are isolated from those of the Caribbean Sea, and results indicate that corals from the Gulf of Mexico are adapted to growth at lower minimum and average annual SST. Corals from both the Gulf of Mexico and the Caribbean Sea, growing at lower SSTs and having lower calcification rates, extend their skeletons the same or more than those growing at higher SSTs. They achieve this by putting more of their calcification resources into extension and less into thickening, i.e., by sacrificing density. |
format |
Texto |
topic_facet |
Arrecifes de coral Temperatura del océano Montastraea annularis Crecimiento |
author |
Carricart Ganivet, Juan P. Doctor autor/a 2031 |
author_facet |
Carricart Ganivet, Juan P. Doctor autor/a 2031 |
author_sort |
Carricart Ganivet, Juan P. Doctor autor/a 2031 |
title |
Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis |
title_short |
Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis |
title_full |
Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis |
title_fullStr |
Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis |
title_full_unstemmed |
Sea surface temperature and the growth of the West Atlantic reef-building coral Montastraea annularis |
title_sort |
sea surface temperature and the growth of the west atlantic reef-building coral montastraea annularis |
work_keys_str_mv |
AT carricartganivetjuanpdoctorautora2031 seasurfacetemperatureandthegrowthofthewestatlanticreefbuildingcoralmontastraeaannularis |
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