Ingestion of marine debris by loggerhead sea turtles, Caretta caretta, in the Adriatic Sea (CROSBI ID 161994)
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Podaci o odgovornosti
Lazar, Bojan ; Gračan, Romana
engleski
Ingestion of marine debris by loggerhead sea turtles, Caretta caretta, in the Adriatic Sea
We examined the occurrence of marine debris in the gastrointestinal tract of 54 loggerhead sea turtles (Caretta caretta) from the Adriatic Sea, with a carapace length of 25.0 – 79.2 cm. Marine debris was present in 35.2% of turtles and included plastic, ropes, Styrofoam and lines found in 68.4%, 42.1%, 15.8% and 5.3% of loggerheads that have ingested debris, respectively. The dry mass of debris per turtle was low, ranging from < 0.01 to 0.71 g, and the ingestion was not significantly affected by sex or body size. Marine debris averaged 2.2 ± 8.0% of dry mass of gut content, with a maximum of 35% found in a juvenile turtle that most likely died due to debris ingestion. Considering the relatively high occurrence of debris intake and possible effects of even small quantities of marine debris, this can be an additional factor of concern for loggerheads in the Adriatic Sea.
sea turtles; marine debris; plastic; pollution; Adriatic Sea; Mediterranean
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