Aerial surveys of endangered whales in the Alaskan Chukchi and western Beaufort Seas, 1990
Sue E. Moore, Janet T. Clarke, United States. Minerals Management Service. Alaska OCS Region, Science Applications International Corporation. Maritime Services Division
Minerals Management Service, Alaska OCS Region, U.S. Dept. of Interior, 1991 - Nature - 83 pages
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14 October 9 October aerial surveys aircraft Alaska OCS Region bearded seals bears were seen behavior belukhas Bering Sea Bering Strait block 12 block 14N bowhead migration bowhead sightings bowhead whale Balaena bowheads were seen calves Chukchi and western CM CM CM conducted Cumulative endangered whales Eschrichtius fall migration feeding gray whales Grumman Goose ice conditions ice cover ice edge km to unlimited LAT(N Ljungblad LONG(W marine mammals mid-October migration route Minerals Management Service Moore and Clarke north of block northeastern Chukchi Sea OCS Planning Area OCS Study October 1990 Flight Point Barrow polar bears provisional northern relative abundance rescue SAR SAIC SAR flights search and rescue search survey southern Chukchi Sea Summary survey block survey effort surveys were flown swimming direction Transect h transect survey unidentified pinnipeds Visibility ranged western Beaufort Sea Whal whale sightings whales Balaena mysticetus Wrangel islands