CRD 05-09

Table 1.  The variables, their description, their associated species group, data source, and units of the input data set of the optimization algorithm.

Variable Name

Definition

Species Group

Data Source

Units
year Year     categories
negear gear type     categories
qtr quarter of year     number
mesh mesh size     categories
region state grouping, port of departure     categories
trp Trip Duration (days)     categories
alltrips Total number of trips, all species ALL VTR trip
allmnda Ave number of days absent, all species ALL VTR days
vcount Total number of VTR trips for 3 sp. Groups 3 Sp Grp VTR trip
ocount Total number of observed trips that caught one or more of the 3 sp groups 3 Sp Grp VTR trip
vnegfntrips Number of VTR trips that caught NEGF NEGF VTR trip
vgfda Total VTR days absent for trips that caught Groundfish NEGF VTR days
vgftotal Total VTR pounds(all sp) landed for trips landing groundfish NEGF VTR pounds
vgflb VTR pounds landed—groundfish NEGF VTR pounds
vgfmnda VTR average days absent—groundfish NEGF VTR days
onegf Sum of the  "0/1 flags" for observed trips that caught NEGF NEGF OBS trip
ogfntrips Number of observed trips that caught NEGF NEGF OBS trip
ogfparent Flag indicating if values of d/k are observed (=1) or imputed (=0) NEGF OBS flag
ogfnewcv Desired CV closest to 0.30--intermediate value NEGF OBS number
ogfnewntrips Number of Observed trips necessary to achieve CV=ogfxnewcv NEGF OBS trip
ogfxnewcv Desired CV=0.30 --exact value NEGF OBS number
ogfavgtriplen Ave Trip Length in days for observed trips NEGF OBS days
ogfntows Number of observed Tows NEGF OBS tows
ogfksums Kept—observed NEGF OBS pounds
ogfdsums Discarded—observed NEGF OBS pounds
ogfdkratio d/k ratio NEGF OBS number
ogfse SE of d/k ratio NEGF OBS number
ogfcv CV of mean d/k ratio NEGF OBS number
ogfseadays Number of sea days needed to achieve CV=0.3 (=avg triplen x newntrips) NEGF OBS days
ogfndays Number of observed days NEGF OBS days
vfsbntrips Number of VTR Trips that caught FSB FSB VTR trip
vfsbda Total VTR days absent for trips that caught FSB FSB VTR days
vfsbtotal Total VTR pounds (all sp) landed for trips landing FSB FSB VTR pounds
vfsblb VTR pounds landed—FSB FSB VTR pounds
vfsbmnda VTR average days absent—FSB FSB VTR days
ofsb Sum of the  "0/1 flags" for observed trips that caught FSB FSB OBS trip
ofsbntrips Number of observed trips that caught FSB FSB OBS trip
ofsbparent Flag indicating if values of d/k are observed (=1) or imputed (=0) FSB OBS flag
ofsbnewcv Desired CV closest to 0.30--intermediate value FSB OBS number
ofsbnewntrips Number of Observed trips necessary to achieve CV=ofsbxnewcv FSB OBS trip
ofsbxnewcv Desired CV=0.30 --exact value FSB OBS number
ofsbavgtriplen Ave Trip Length in days for observed trips FSB OBS days
ofsbntows Number of observed Tows FSB OBS Tows
ofsbksums Kept—observed FSB OBS pounds
ofsbdsums Discarded—observed FSB OBS pounds
ofsbdkratio d/k ratio FSB OBS number
ofsbse SE of d/k ratio FSB OBS number
ofsbcv CV of mean d/k ratio FSB OBS number
ofsbseadays Number of sea days needed to achieve CV=0.3 (=avg triplen x newntrips) FSB OBS days
ofsbndays Number of observed days FSB OBS days
vmonkntrips Number of VTR Trips that caught Monk Monk VTR trip
vmonkda Total VTR days absent for trips that caught monk Monk VTR days
vmonktotal Total VTR pounds (all sp) landed for trips landing Monkfish Monk VTR pounds
vmonklb VTR pounds landed---Monk Monk VTR pounds
vmonkmnda VTR average days absent—Monk Monk VTR days
omonk Sum of the  "0/1 flags" for observed trips that caught Monkfish Monk OBS trip
omkntrips Number of observed trips that caught Monk Monk OBS trip
omkparent Flag indicating if values of d/k are observed (=1) or imputed (=0) Monk OBS flag
omknewcv Desired CV closest to 0.30--intermediate value Monk OBS number
omknewntrips Number of Observed trips necessary to achieve CV=omkxnewcv Monk OBS trip
omkxnewcv Desired CV=0.30 --exact value Monk OBS number
omkavgtriplen Ave Trip Length in days for observed trips Monk OBS days
omkntows Number of observed Tows Monk OBS Tows
omkksums Kept—observed Monk OBS pounds
omkdsums Discarded—observed Monk OBS pounds
omkdkratio d/k ratio Monk OBS number
omkse SE of d/k ratio Monk OBS number
omkcv CV of mean d/k ratio Monk OBS number
omkseadays Number of sea days needed to achieve CV=0.3 (=avg triplen x newntrips) Monk OBS days
omkndays Number of observed days Monk OBS days
onegfcpue Observer Catch(kept) per unit effort (lbs/day ) for NEGF NEGF OBS lbs/day
ofsbcpue Observer Catch (kept) per unit effort (lbs/day ) for FSB FSB OBS lbs/day
omkcpue Observer Catch (kept) per unit effort (lbs/day ) for Monk Monk OBS lbs/day
alltotal Total number of pounds of all species landed in this cell ALL VTR pounds
vnegfcpue VTR Landings  per unit effort (lbs/day ) for NEGF NEGF VTR lbs/day
vfsbcpue VTR Landings  per unit effort (lbs/day ) for FSB FSB VTR lbs/day
vmkcpue VTR Landings  per unit effort (lbs/day ) for Monk Monk VTR lbs/day
L_negf% Fraction of NEGF landings in stratum h NEGF VTR unitless
L_fsb% Fraction of FSB landings in stratum h FSB VTR unitless
L_monk% Fraction of Monk landings in stratum h Monk VTR unitless
Nh_negh% Fraction of NEGF trips in stratum h NEGF VTR unitless
Nh_fsb% Fraction of FSB trips in stratum h FSB VTR unitless
Nh_monk% Fraction of Monk trips in stratum h Monk VTR unitless
I(L_negf%) Indicator {0,1}  for Fraction of NEGF landings in stratum h NEGF VTR switch
I(L_fsb%) Indicator {0,1}  for Fraction of FSB landings in stratum h FSB VTR switch
I(L_monk%) Indicator {0,1}  for Fraction of Monk landings in stratum h Monk VTR switch
sum(I(L_all%)) Indicator {0,1}  for composite landings. =0 if all species specific indicators=0,else 1 3 Sp Grp VTR switch
I(Nh_negf%) Indicator {0,1}  for Fraction of NEGF trips in stratum h NEGF VTR switch
I(Nh_fsb%) Indicator {0,1}  for Fraction of FSB trips in stratum h FSB VTR switch
I(Nh_monk%) Indicator {0,1}  for Fraction of Monk trips in stratum h Monk VTR switch
sum(I(Nh_all%) Indicator {0,1}  for composite TRIPS.  =0 if all species specific indicators=0,else 1 3 Sp Grp VTR switch
I(onegfcpue) Indicator {0,1} for observer  CPUE in stratum h for NEGF. 1=> exceeds threshold, else 0 NEGF OBS switch
I(ofsbcpue) Indicator {0,1} for observer  CPUE in stratum h for FSB. 1=> exceeds threshold, else 0 FSB OBS switch
I(omkcpue) Indicator {0,1} for observer  CPUE in stratum h for Monk. 1=> exceeds threshold, else 0 Monk OBS switch
I(vnegfcpue) Indicator {0,1} for VTR   CPUE in stratum h for NEGF. 1=> exceeds threshold, else 0 NEGF VTR switch
I(vfsbcpue) Indicator {0,1} for VTR  CPUE in stratum h for FSB. 1=> exceeds threshold, else 0 FSB VTR switch
I(vmkcpue) Indicator {0,1} for VTR  CPUE in stratum h for Monk. 1=> exceeds threshold, else 0 Monk VTR switch
I(d/k_negf) Indicator {0,1} for Obsvr d/k ratio in stratum h for NEGF. 1=> exceeds threshold,else 0 NEGF OBS switch
I(d/k_fsb) Indicator {0,1} for Obsvr d/k  in stratum h for FSB. 1=> exceeds threshold, else 0 FSB OBS switch
I(d/k_monk) Indicator {0,1} for  Obsvr d/k  in stratum h for Monk. 1=> exceeds threshold, else 0 Monk OBS switch
Total VTR 3spgroup Sum of landings by strata for each species group 3 Sp Grp VTR switch
%Total VTR 3 group Percent of landings of sum of  3 sp groups in strata 3 Sp Grp VTR switch
I(%TotVTR_3sp) flag for total landings of 3 species groups 3 Sp Grp VTR switch
ogfimp_level Indicator {0,1,2,3} of imputation level NEGF OBS category
ofsbimp_level Indicator {0,1,2,3} of imputation level FSB OBS category
omonkimp_level Indicator {0,1,2,3} of imputation level Monk OBS category

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 (Modified Jun. 13 2008)