Journal
MARINE ECOLOGY PROGRESS SERIES
Volume 556, Issue -, Pages 209-221Publisher
INTER-RESEARCH
DOI: 10.3354/meps11842
Keywords
Satellite telemetry; PAT; Depth utilization; Temperature tolerance; Fisheries management; Connectivity
Categories
Funding
- National Science Foundation Marine Ecosystem Sustainability in the Arctic and Subarctic (MESAS) Integrated Graduate Education and Research Traineeship (IGERT) program [DGE0801720]
- Rasmuson Fisheries Research Center, Rasmuson Foundation
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Big skate Beringraja binoculata is the most frequently landed skate in the Gulf of Alaska portion of the Northeast Pacific Ocean, with recent stock assessment surveys showing relatively healthy skate stocks and continued interest from the commercial fishing industry to increase skate landings. Considered a data-poor species, there is a need for additional ecological information on big skates, including movement patterns and habitat use. We deployed pop-up satellite archival transmitting (PSAT) tags on 8 big skates in the Gulf of Alaska and set the tags to release 1 yr after deployment. The minimum distance traveled by big skates varied between 6 and 205 km, with 1 individual traveling at least 2100 km based on light geolocation data. Three individuals showed evidence of having made long-range movement and crossed at least 1 management boundary, and 3 remained relatively close to their tagging locations. Two tags did not report. The PSAT tags also extended the maximum documented depth of big skates to over 500 m and confirmed that they are thermally tolerant, occupying waters between 2 and 18 degrees C. Because the total catch of big skate is divided into multiple areas and limited movement between areas is assumed, information from this study will aid in the development of appropriate spatial management plans for this species.
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