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Resistance of Two Mediterranean Cold-Water Coral Species to Low-pH Conditions

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Resistance of Two Mediterranean Cold-Water Coral Species to Low-pH Conditions

DOI: 10.3390/w6010059

Type: Publication

Year: 2013

Citations: 47

AZORES DEEP-SEA RESEARCH
Publication Open access December 2013

Resistance of Two Mediterranean Cold-Water Coral Species to Low-pH Conditions

Water

10.3390/w6010059
Open DOI
Total authors
8
Involved team members
1
Citations
47
References
41

Citations by year

13 years
2025
2
2024
2
2023
5
2022
4
2021
2
2020
2
2019
9
2018
1
2017
4
2016
7
2015
6
2014
1
2013
2

Abstract

Deep-water ecosystems are characterized by relatively low carbonate concentration values and, due to ocean acidification (OA), these habitats might be among the first to be exposed to undersaturated conditions in the forthcoming years. However, until now, very few studies have been conducted to test how cold-water coral (CWC) species react to such changes in the seawater chemistry. The present work aims to investigate the mid-term effect of decreased pH on calcification of the two branching CWC species most widely distributed in the Mediterranean, Lophelia pertusa and Madrepora oculata. No significant effects were observed in the skeletal growth rate, microdensity and porosity of both species after 6 months of exposure. However, while the calcification rate of M. oculata was similar for all colony fragments, a heterogeneous skeletal growth pattern was observed in L. pertusa, the younger nubbins showing higher growth rates than the older ones. A higher energy demand is expected in these young, fast-growing fragments and, therefore, a reduction in calcification might be noticed earlier during long-term exposure to acidified conditions.

Authors

1 involved team member
J
Juancho Movilla
0000-0003-4502-9088

Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta, 37-49, Barcelona 08003, Spain

A
Andrea Gori
0000-0001-8442-8079

Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta, 37-49, Barcelona 08003, Spain

E
Eva Calvo
0000-0003-3659-4499

Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta, 37-49, Barcelona 08003, Spain

C
Covadonga Orejas
0000-0002-2580-1002

Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Baleares (COB), Moll de Ponent s/n, Palma de Mallorca 07015, Spain

À
Àngel López-Sanz
0000-0002-4798-4524

Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta, 37-49, Barcelona 08003, Spain

J
Jordi Grinyó
0000-0001-8425-1349

Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta, 37-49, Barcelona 08003, Spain

C
Carles Pelejero
0000-0002-7763-7769

Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Passeig Marítim de la Barceloneta, 37-49, Barcelona 08003, Spain

+1 more

Record details

Type
article
Language
EN
Volume
6
Issue
1
Pages
59–67
ISSN
2073-4441

Keywords

Mediterranean climate Coral Seawater Ocean acidification Mediterranean sea Calcification Ecosystem Biology Ecology Chemistry Pathology Medicine

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Governo dos Açores
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Rolex
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RP Ciência
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Governo dos Açores
Oceano Azul
Eurofleets
FCT
FCT Investigador
Governo dos Açores
Portugal 2020
Rolex
RP
RP Ciência
União Europeia

Location

Institute of Marine Sciences — Okeanos, University of the Azores

Departamento de Oceanografia e Pescas — Universidade dos Açores

Rua Prof. Doutor Frederico Machado, No. 4
9901-862 Horta, Portugal

Contact

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