Photo-identification Capture-Mark-Recapture Techniques for Estimating Abundance of Bay, Sound and Estuary Populations of Bottlenose Dolphins along the U.S. East Coast and Gulf of Mexico: a Workshop Report.
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Bay, sound and estuary (BSE) populations of bottlenose dolphins are common along the U.S. Atlantic and Gulf of Mexico coasts. NOAA Fisheries currently identifies 9 BSE stocks in the Atlantic and 32 in the northern Gulf of Mexico. Accurate abundance estimates for these stocks are an essential component of MMPA-mandated stock assessment, yet only three of these BSE stocks have up-to-date abundance estimates. Abundance estimates based on data more than 8 years old are not considered valid for management (i.e., to estimate PBR) under the MMPA and those more than 5 years old drop a stock assessment from adequate to inadequate under the NOAA Fisheries Stock Assessment Improvement Plan. For most stocks in U.S. waters, aerial and/or large vessel line-transect surveys provide the platforms for abundance estimation. Linetransect “distance” analysis methods from vessels and planes are relatively well understood and these methods are more or less standardized. While line-transect surveys using sm.....
PublisherNOAA Southeast Fisheries Science Center
Series;NrNOAA Technical Memorandum;NMFS-SEFSC-621
Sustainable Development Goals (SDG)14.a
Essential Ocean Variables (EOV)Marine turtles, birds, mammals abundance and distribution
CitationRosel, P., Mullin, K., Garrison, L., Schwacke, L., Adams, J., Balmer, B., Conn, P., Conroy, M., Eguchi, T., Gorgone, A., Hohn, A., Mazzoil, M., Schwartz, C., Sinclair, C., Speakman, T., Urian, K., Vollmer, N., Wade, P., Wells, R. and Zolman, E. (2011) Photo-identification capture-mark-recapture techniques for estimating abundance of bay, sound and estuary populations of bottlenose dolphins along the U.S. East Coast and Gulf of Mexico: A workshop report. Miami, FL, NOAA, National Marine Fisheries Service Southeast Fisheries Science Center, 38pp. (NOAA Technical Memorandum NMFS-SEFSC-621). DOI: http://dx.doi.org/10.25607/OBP-1687
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