Feeding habits during migration of the Atlantic bonito Sarda sarda (Bloch, 1793) to the Black Sea
| Autor: | Nimet Selda Başçinar, Yaşar Genç, Murat Dağtekin |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
0106 biological sciences
biology 010604 marine biology & hydrobiology Fishing Aquatic Science Oceanography biology.organism_classification 010603 evolutionary biology 01 natural sciences Atlantic bonito Food web Predation Fishery Food chain Geography Sarda Ecosystem Black sea Ecology Evolution Behavior and Systematics |
| Zdroj: | Marine Biology Research. 15:125-136 |
| ISSN: | 1745-1019 1745-1000 |
| DOI: | 10.1080/17451000.2019.1596287 |
| Popis: | Information about food web dynamics is crucial for the success of ecosystem-based management. In order to collect such information, it is necessary to establish the dietary contents of species in the food chain. In this study, the diet of Atlantic bonito Sarda sarda (Bloch, 1793), one of the most important species in the Black Sea ecosystem, has been examined. The aim of this study was to investigate the prey preferences of Atlantic bonito over an eleven-year period during their feeding migration to the Black Sea. Sampling was carried out by commercial purse seine and gill nets along the Turkish Black Sea coast during migration of the Atlantic bonito from 2005 to 2016. Stomach contents were identified to the lowest possible taxonomic level. Atlantic bonito dietary composition was analyzed by fishing season, sex and size classifications. Results revealed a Vacuity Index value (V %) of 67% while 33% of individuals sampled had at least one prey species in their stomach content. Since S. sarda predomi... |
| Databáze: | OpenAIRE |
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