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Paramuricea clavata (Anthozoa, Octocorallia) loss in the Marine Protected Area of Tavolara (Sardinia, Italy) due to a mass mortality event Huete-Stauffer, C.; Vielmini, I.; Palma, M.; Navone, A.; Panzalis, P.; Vezzulli, L.; Misic, C.; Cerrano, C. (2011). Paramuricea clavata (Anthozoa, Octocorallia) loss in the Marine Protected Area of Tavolara (Sardinia, Italy) due to a mass mortality event. Mar. Ecol. (Berl.) 32(s1): 107-116. https://dx.doi.org/10.1111/j.1439-0485.2011.00429.x In: Marine Ecology (Berlin). Blackwell: Berlin. ISSN 0173-9565; e-ISSN 1439-0485 Ook verschenen in: Green, J.A.; Paramor, O.A.L.; Robinson, L.A.; Spencer, M.; Watts, P.C.; Frid, C.L.J. (Ed.) (2011). Marine biology in time and space: Proceedings of the 44th European Marine Biology Symposium, 7-11 September 2009, Liverpool, UK. European Marine Biology Symposia, 44. Marine Ecology (Berlin), 32(Suppl. 1). vii, 134 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 225819 [ aanvragen ]

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Trefwoorden

Octocorallia [WoRMS]; Vibrio Pacini, 1854 [WoRMS] Marien/Kust

Author keywords

Conservation; global warming; Octocorals; Vibrio

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Auteurs		Top
Huete-Stauffer, C. Vielmini, I. Palma, M. Navone, A.	Panzalis, P. Vezzulli, L. Misic, C. Cerrano, C.

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Abstract

Recent studies highlight an increase in the frequency and intensity of marine mass mortalities of several species over the past 30-40 years, mainly in tropical and temperate areas. In the Mediterranean Sea these episodes particularly affect benthic suspension feeders, such as sponges and cnidarians. The main objective of this work was to document the loss of one of the main Mediterranean seascapes, Paramuricea clavata forests at the Marine Protected Area of Tavolara Punta Coda Cavallo, Sardinia (Italy), during the summer of 2008. Data regarding colony height, density, level of damage, and microbiological community were collected at two sites. Such parameters help us understand how mass mortality mechanisms act on this ecosystem engineer. We identified a change in size class distribution following a mass mortality that leaves mainly small colonies with a decrease in habitat complexity. Several tests on water chemistry demonstrate that the mortality event was not caused by local contamination. Moreover, microbiological tests on potential pathogenic agents suggest that bacteria belonging to the genus Vibrio are present as an opportunistic and not an etiological cause of P. clavata mortality events. Possible restoration approaches are discussed.

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