Regional Bycatch of Long-lived Species (Sea Birds, Marine Mammals, and Sea Turtles) in the Mediterranean and Black Seas
Abstract
The Mediterranean and Black Seas region includes twenty-two countries, three continents,
and 26,000 kilometers of coast. About 80%, or 32,950 vessels, are less than 12 meters
in length, and thus characterized as small-scale artisanal fisheries that include
trawls, drift nets, purse seines, longlines, and gillnets. According to the IUCN Red
List of threatened species, one seabird, 18 marine mammals, and four sea turtles are
species of importance. The region provides important habitat for air-breathing marine
vertebrates, many of which are imperiled, including the nearly extinct Mediterranean
monk seal. Bottom and surface longline fishing in the region primarily cause seabird
mortality. Dolphin populations have declined due to a variety of factors, including
entanglement in gill nets. Various other mammals are critically endangered. Sea turtle
bycatch mortality rates range from 10%-50% in a variety of fisheries. Thus, collaboration
from the variety of Mediterranean countries will be required to reduce bycatch by
fishers.
Type
Master's projectPermalink
https://hdl.handle.net/10161/478Citation
Ancha, Linette (2008). Regional Bycatch of Long-lived Species (Sea Birds, Marine Mammals, and Sea Turtles)
in the Mediterranean and Black Seas. Master's project, Duke University. Retrieved from https://hdl.handle.net/10161/478.Collections
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