Aerial Surveys of Endangered Whales in the Beaufort Sea, Chukchi Sea, and Northern Bering Sea.

Aerial surveys and acoustic recordings of bowhead whales and other marine mammals were made from 17 April to 4 November 1980 in the Beaufort, Chukchi, and Bering Seas. The spring and fall migrations past the lease areas were monitored closely to determine whale distribution. Ice conditions, which ar...

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Bibliographic Details
Main Author: Ljungblad,D K
Other Authors: NAVAL OCEAN SYSTEMS CENTER SAN DIEGO CA
Format: Text
Language:English
Published: 1981
Subjects:
Biological Oceanography
*WHALES
*ANIMAL MIGRATION
AERIAL RECONNAISSANCE
DENSITY
COASTAL REGIONS
ALASKA
POPULATION
SEASONAL VARIATIONS
SURVEYS
BEHAVIOR
NORTH(DIRECTION)
ENDANGERED SPECIES
LEASING
GEOGRAPHIC DISTRIBUTION
SEA ICE
PETROLEUM INDUSTRY
MARINE BIOLOGICAL NOISE
SEALS(MAMMALS)
ACOUSTIC RECORDING SYSTEMS
BEAUFORT SEA
CHUKCHI SEA
BERING SEA
North slope(Alaska)
Whaling
*Balaena mysticetus
Eschrichtius robustus
LPN-BLM-00L80AA-851-IAO-1
Bering Sea
Chukchi Sea
Balaena mysticetus
Beaufort Sea
Chukchi
north slope
Sea ice
Alaska
Online Access:http://www.dtic.mil/docs/citations/ADA103406
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA103406
Description
Summary:Aerial surveys and acoustic recordings of bowhead whales and other marine mammals were made from 17 April to 4 November 1980 in the Beaufort, Chukchi, and Bering Seas. The spring and fall migrations past the lease areas were monitored closely to determine whale distribution. Ice conditions, which are fully discussed, radically changed the migration pattern from that of the 1979 season. Unusual and distinctively marked whales were noted during the spring and fall migrations, and a stranding was investigated. The 1979 acoustic recordings have been analyzed and are provided in an appendix. (Author)

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