Mortality of the scleractinian coral Cladocora caespitosa during a warming event in the Levantine Sea (Cyprus)

Jiménez, Carlos; Hadjioannou, Louis; Petrou, Antonis; Nikolaidis, Andreas; Evriviadou, Marina; Lange, Manfred A.

doi:10.1007/s10113-014-0729-2

Cited by 41 publications

(52 citation statements)

References 70 publications

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“…Furthermore, Jimenez et al (2016) deal with the mortality of the scleractinian coral Cladocora caespitosa during a warming event in 2012 and conclude that such events can affect corals and marine organisms significantly, to the extent where a very small portion of polyps/colonies present resilience during thermal stress, while temperature anomalies are associated with the mortality event.…”

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confidence: 99%

Climate change impacts and adaptation options in the Mediterranean basin

et al. 2016

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confidence: 99%

Climate change impacts and adaptation options in the Mediterranean basin

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“…Cyprus was affected in 2010 by prolonged seawater temperature increases during a period of several weeks [22]. Coral bleaching and mortality was documented around the island, and mucilage was also observed in unusual quantities and depths.…”

Section: Discussionmentioning

confidence: 99%

“…Coral bleaching and mortality was documented around the island, and mucilage was also observed in unusual quantities and depths. In 2010, both wrecks were covered by profuse mucilage, though coral mortality was not widespread as in other shallow areas, where extensive partial mortality of coral colonies was recorded [22]. Cricket was also impacted by tangled derelict fishing gear, affecting motile and encrusting communities.…”

Section: Discussionmentioning

confidence: 99%

“…Another significant seawater temperature warming event occurred within the six year interval between surveys. A widespread mortality of corals and other organisms was recorded in 2012, which affected most parts of the island [22]. A localised mortality event in Cladocora caespitosa coral communities was also documented in the summer of 2015, when prolonged high SST occurred [30].…”

Section: Discussionmentioning

confidence: 99%

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Fouling Communities of Two Accidental Artificial Reefs (Modern Shipwrecks) in Cyprus (Levantine Sea)

Jiménez

Hadjioannou²,

Petrou³

et al. 2016

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Abstract:Artificial reefs are considered one of the alternative methods in fisheries management, used in order to enhance stocks and marine biodiversity in general. A number of biotic and abiotic parameters influence the fouling communities' formation on artificial reefs through complex interactions. In order to understand how epibiotic or fouling communities progress through time, it is important to study these communities in mature artificial reefs, especially those that have been around for many decades, or in some cases, millennia. This study was conducted on the coral and other fouling organisms of two accidental artificial reefs (40 to 70 year-old shipwrecks) in Cyprus (Levantine Sea). The thermal and nutrient annual regime of the study sites were characterized by processing satellite data. The results indicate that the wrecks are normally under warm and oligotrophic conditions. Percentage coverage of corals and other organisms on the wrecks was calculated (image-analysis software) on photos taken in 2010 (two wrecks) and again in 2016 (one wreck) of the fouling communities. Sponges were the organisms with the highest percent cover (~27%) at the two wrecks. Four scleractinian coral species were found (7%-19% total coral cover). The oldest wreck, which has well-developed coral communities, was revisited during fieldwork in a near-by area in 2016. Only two major benthic categories (dead coral and macro algae) changed significantly between sampling periods. Given the actual policies to sink wrecks to create artificial reefs and the diverse environmental conditions in different areas that will inevitably influence fouling, it is important to carry out studies relating to mature artificial reefs/wrecks in order to be able to assess the ecological effectiveness of longstanding artificial reefs.

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“…While the mass mortality event described after the summer of 1999 affected C. caespitosa in some sites, the abnormally hot summer of 2003 triggered high mortality rates over a wide geographical range, including the exceptional populations in Columbretes and Mljet. Worryingly, successive warming-related mortalities of different intensity kept on impacting C. caespitosa along the levantine and western basins (Kersting et al 2013, Kružić et al 2014, Jiménez et al 2014. The recurrent mortalities represented population losses of up to 50-80% in some sites like the Columbretes Islands and colonies were affected by necrosis.…”

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confidence: 99%