Interaction between loggerhead sea turtles (Caretta caretta) and marine litter in Sardinia (Western Mediterranean Sea)

Anthropogenic debris in the environment affects many species that accidentally ingest it. The aim of this study is to evaluate the quantity and composition of marine litter ingested by loggerheads in Sardinia, thus supplying for the lack of data in the existing literature for this area. Seventeen of...

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Veröffentlicht in:Marine environmental research 2014-09, Vol.100, p.25-32
Hauptverfasser: Camedda, Andrea, Marra, Stefano, Matiddi, Marco, Massaro, Giorgio, Coppa, Stefania, Perilli, Angelo, Ruiu, Angelo, Briguglio, Paolo, de Lucia, G. Andrea
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container_end_page 32
container_issue
container_start_page 25
container_title Marine environmental research
container_volume 100
creator Camedda, Andrea
Marra, Stefano
Matiddi, Marco
Massaro, Giorgio
Coppa, Stefania
Perilli, Angelo
Ruiu, Angelo
Briguglio, Paolo
de Lucia, G. Andrea
description Anthropogenic debris in the environment affects many species that accidentally ingest it. The aim of this study is to evaluate the quantity and composition of marine litter ingested by loggerheads in Sardinia, thus supplying for the lack of data in the existing literature for this area. Seventeen of the 121 (14.04%) monitored turtles presented debris in their digestive tracts. Litter in faecal pellet of alive individuals (n = 91) and in gastro-intestinal contents of dead ones (n = 30) was categorized, counted and weighed. User plastic was the main category of ingested debris with a frequency of occurrence of 13.22% of the total sample, while sheet (12.39%) and fragments (9.09%) were the most relevant sub-categories. This study highlights for the first time the incidence of litter in alive turtles in Sardinia. This contribution improves the knowledge about marine litter interaction on Caretta caretta as bio-indicator. Results will be useful for the Marine Strategy implementation. •This is the first study on interaction between sea turtles and litter in Sardinia.•White sheet items are the most ingested plastic sub-category.•This study will be useful for the implementation of the MSFD monitoring programs.•Our results support the choice of C. caretta as bio-indicator for Mediterranean.
doi_str_mv 10.1016/j.marenvres.2013.12.004
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subjects Amphibia. Reptilia
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Caretta caretta
Environmental Exposure
Environmental Monitoring
Faecal pellet
Feces - chemistry
Fundamental and applied biological sciences. Psychology
Gastrointestinal Contents - chemistry
General aspects
Gut content
Italy
Marine litter
Marine Strategy Framework Directive
Mediterranean Sea
Plastics
Plastics - analysis
Rescue centre
Sea turtles
Sea water ecosystems
Synecology
Turtles - metabolism
Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution
Water Pollutants, Chemical - analysis
title Interaction between loggerhead sea turtles (Caretta caretta) and marine litter in Sardinia (Western Mediterranean Sea)
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