National Oceanic and Atmospheric Administration - NERO Fisheries Monitoring and Analysis Division

Multispecies Sector ASM Requirements Summary Data Table (Stock/Gear)


RELEVANT INFORMATION
(a) These data are the best available to NOAA's National Marine Fisheries Service (NMFS) when this report was compiled. Data for this report may be supplied to NOAA Fisheries Service (NMFS) from the following sources: (1) vessels via Vessel Monitoring System; (2) Vessel Trip Reports; (3) fish dealer purchase reports; and the (4) NOAA Fisheries Service Observer Program, through audited observer reports submitted by the Northeast Fisheries Science Center. Data in this report are for landings made through April 30 2016 and may be preliminary. Differences with data from previous reports are due to corrections made to the database and updates to observer data.
(b) Data has been truncated due to confidentiality
(c) Estimates for attributes are at the individual row level.
(d) A subtrip is not necessarly unique to an individual strata (row) except in the case of unit stocks (Plaice, Witch Flounder,White Hake,Pollock,Redfish,Ocean Pout,Halibut,and Wolfish)
VARIABLE DEFINITIONS
VARIABLE NAME DEFINITION
Fishing YearGroundfish fishing year which spans from May 1 of the year through April 30 of the following year
StockAllocated and Non-allocated Groundfish Stock
GearVessel Gear Type
Number VesselsNumber unique vessels
SubtripsNumber of subtrips
Subtrips ObservedNumber of subtrips observed
Subtrips Observed PercentPercent of subtrips observed
Discard RatioEstimated Discard Ratio from observed trips: Discard Observed / Kept Observed
Discard Ratio VarianceVariance of the estimated discard ratio
CVRealized Coefficient of Variation: (Discard Ratio Variance)^0.5 / Discard Ratio
Subtrips CV30Estimated number of subtrips required for a coefficient of variation of 30 percent
Subtrips CV30 PercentEstimated percent of subtrips required for a coefficient of variation of 30 percent
Stock LandingsStock live pounds landed
Kept AllTotal live pounds of all species landed
Kept ObservedLive pounds of all species landed on observed trips
Discard ObservedObserved stock discard
Discard UnobservedEstimated Discard on un-observed trips: Discard Ratio * Kept All
DaysActual time absent on a fishing trip in days
Days FullSum of time absent on fishing trips rounded to the full day: Example A trip of 1.1 days = 2 days
Days ObservedActual time absent of observed fishing trips in days
Days Observed FullSum of time absent of observed fishing trips rounded to the full day

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