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A brief description of greater Atlantic region fish and invertebrate discard estimation for the National Bycatch Report : first edition update 3
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  • Description:
    "This report describes the discard estimation analysis performed for Greater Atlantic Region fish and invertebrates for the forthcoming National Bycatch Report First Edition Update 3. Estimates of discards that occurred during the 2014 and 2015 calendar years in federally managed fisheries in the northeast United States were derived for 165 individual species and groups of finfish and invertebrates by using a combined discard/kept ratio estimator. Based on this analysis, approximately 101,356 mt (live weight) of discards occurred in 34 fleets in 2014, and approximately 99,542 mt (live weight) of discards occurred in 35 fleets in 2015 across the 165 individual species and groups considered. In both years, the predominant species discarded were (1) skates (Rajidae), (2) benthic species, other, and (3) American lobster (Homarus americanus). Sand dollars (Echinarachnius parma) was the driving species in the "Benthic Species, Other" group, contributing approximately 89% of the group's total discards in 2014 and approximately 88% of the group's total discards in 2015. Of the 2014 and 2015 discards, approximately 60,077 mt and 64,621 mt of discards occurred respectively for the 34 fish and invertebrate species with fishery management plans developed by the Mid-Atlantic Fishery Management Council and the New England Fishery Management Council in the waters off the northeastern United States. The discards reported in this document may not necessarily correspond directly with the discard estimates derived for individual stock assessments because of differences in stratification, data, and estimation methods. Hence, the discard estimates presented here are not definitive but indicative of where discarding is occurring among commercial fisheries and for which species"--Executive Summary.

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