Publications:

Topçu and Öztürk 2016


scientific article | Mar Ecol

First insights into the demography of the rare gorgonian Spinimuricea klavereni in the Mediterranean Sea

Topçu NE, Öztürk B

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Abstract

We present the results of the first study to highlight the demography, morphometry and growth rates of Spinimuricea klavereni, a rare Mediterranean endemic gorgonian exceptionally common in shallow depths of the Northeast Marmara Sea. In the study area, this species forms vast populations on rocks, boulders and attached to pebbles/stones/shells on soft substrates between 20 and 45 m depth, with a total average density of 0.3 coloniesm2 but comprising patches up to 3 coloniesm2 . Colonies, which are on average 42.9 (20.1) cm in height, can reach up to 110 cm. Unlike other Mediterranean gorgonians, the colonies studied here showed fast growth rates that decreased with increasing colony height, between 1.5–11.1 and 4.96  3.01 cmyear1 on average. The low necrosis and high growth rates displayed by this species in the Northeast Marmara Sea confirm the previously hypothesized opportunistic behaviour of the species. The unique community consisting of S. klavereni and other rare gorgonian/soft corals has limited distribution in this area and should be considered to be a vulnerable marine ecosystem. Therefore we recommend that some conservation measures are taken, including the prohibition of all fisheries and anchoring over these assemblages.

Top u et al 2016 marine ecology
Keywords
Meta-data (pending validation)
Depth range
20- 45 m

Mesophotic “mentions”
0 x (total of 3074 words)

Fields
Ecology
Reproduction

Focusgroups
Octocorallia (Soft Corals)

Locations
Turkey - Sea of Marmara

Platforms
Diving (unspecified)

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