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Author (up) Maxwell, M. R., Henry, A., Elvidge, C. D., Safran, J., Hobson, V. R., Nelson, I., Tuttle, B. T., Dietz, J. B., & Hunter, J. R. url  openurl
  Title Fishery dynamics of the California market squid (Loligo opalescens), as measured by satellite remote sensing Type Journal Article
  Year 2004 Publication Fishery Bulletin Abbreviated Journal  
  Volume 102 Issue 4 Pages 661-670  
  Keywords Remote Sensing  
  Abstract Novel data on the spatial and temporal distribution of fishing effort and population abundance are presented for the market squid fishery (Loligo opalescens) in the Southern California Bight, 1992−2000. Fishing effort was measured by the detection of boat lights by the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS). Visual confirmation of fishing vessels by nocturnal aerial surveys indicated that lights detected by satellites are reliable indicators of fishing effort. Overall, fishing activity was concentrated off the following Channel Islands: Santa Rosa, Santa Cruz, Anacapa, and Santa Catalina. Fishing activity occurred at depths of 100 m or less. Landings, effort, and squid abundance (measured as landings per unit of effort, LPUE) markedly declined during the 1997−98 El Niño; landings and LPUE increased afterwards. Within a fishing season, the location of fishing activity shifted from the northern shores of Santa Rosa and Santa Cruz Islands in October, the typical starting date for squid fishing in the Bight, to the southern shores by March, the typical end of the squid season. Light detection by satellites offers a source of fine-scale spatial and temporal data on fishing effort for the market squid fishery off California, and these data can be integrated with environmental data and fishing logbook data in the development of a management plan.  
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  Notes Approved no  
  Call Number IDA @ intern @ Serial 2471  
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