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Description: This GIS feature class represents the nautical area scattering coefficient (NASC) of adult Pacific hake (age 2+) from the 38 kHz frequency, measured along the 2012-2015 Summer Pacific hake survey transects in 0.5 nmi Vessel Log (VL) sections along each transect. The vessels that completed these surveys were the Bell M. Shimada (NOAA) and the W.E. Ricker (Canadian Coast Guard vessel). Transects were spaced 10 nmi in the N-S direction. The NASC was developed from an EchoPro output, and represents the final un-kriged NASC that was used to generate the kriged biomass estimate for Pacific hake.
Copyright Text: NOAA Fisheries, Northwest Fisheries Science Center, Fishery Resource Analysis and Monitoring Division
Spatial Reference:
102100
(3857)
Initial Extent:
XMin: -1.4418016653563231E7
YMin: 5537979.917529654
XMax: -1.3437468859134309E7
YMax: 6286327.625321146
Spatial Reference: 102100
(3857)
Full Extent:
XMin: -1.49602203081E7
YMin: 4141898.1831
XMax: -1.3437213766500002E7
YMax: 7349601.251100004
Spatial Reference: 102100
(3857)
Units: esriMeters
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