Reconciling Trends of Mean Trophic Index and Mean Temperature of the Catch in the Eastern Mediterranean and Black Seas

 
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Reconciling Trends of Mean Trophic Index and Mean Temperature of the Catch in the Eastern Mediterranean and Black Seas (EN)

KESKIN, ÇETIN
PAULY, DANIEL

  The mean trophic level, i.e., the Mean Trophic Index (MTI) and Mean Temperature of the Catch (MTC) were estimated for Turkish waters in the Eastern Mediterranean and the Black Sea based on the reconstructed marine fisheries catches (consisting of N = 88 species and/or higher taxa) of in Turkish waters for the year 1950 to 2010. The MTI decreased in both regions of Turkey, following expectations, but the MTC showed different trends in these two regions. It increased (by 0.48 °C·decade-1), along with the SST in the Eastern Mediterranean, while it fluctuated in the Black Sea. This fluctuating behaviour, however, was similar to the fluctuating tendency of SST in the Black Sea. This suggests that the MTI and MTC can be relied upon as indicators of fisheries impacts on ecosystems, and of the impact of changing temperatures on fisheries, respectively.  (EN)

info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
the calculation of the mean trophic index and mean temperature of the catch (EN)

Marine Fisheries, fisheries ecology (EN)
Catch composition, ecological indicators, climate change, Eastern Mediterranean Sea, Black Sea (EN)

Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ) (EL)
Hellenic Centre for Marine Research (HCMR) (EN)

Mediterranean Marine Science

2018-05-23


Hellenic Centre for Marine Research (EN)

Mediterranean Sea, Black Sea (EN)
Reconstructed total historical catches of Turkish marine fisheries in their Exclusive Economic Zone for the time period 1970-2010 (EN)
1970 to 2010 (EN)

1791-6763
1108-393X
Mediterranean Marine Science; Vol 19, No 1 (2018); 79-83 (EL)
Mediterranean Marine Science; Vol 19, No 1 (2018); 79-83 (EN)



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