Parent Layer: Summer Whale Density

Name: Dall's Porpoise (Phocoenoides dalli)

Display Field: PDA_I_U_D

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Description: These data show information from 16 ship-based assessment surveys by the Southwest Fisheries Science Center from 1986-2006. Predicted annual densities were smoothed into a continuous grid of density estimates for the surveyed area. Annual grids were averaged and represent the best estimate of Dal's porpoise density in Washington over the past 20 years. Dal's porpoise are common in the North Pacific Ocean and prefer waters that are more than 600 feet deep. The can be found offshore, inshore, and in nearshore oceanic waters. NOAA's Office of Protected Resources estimates approximately 1.2 million animals in the North Pacific.

Service Item Id: 909c1789ef844b15a896c87f395cb78a

Copyright Text: Duke Univ/NOAA SWFSC

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