Seasonal distribution and relative abundance of marine mammals in the Gulf of Alaska. Final report

Technical Report · Mon Mar 01 04:00:00 EST 1982

OSTI ID:5237422

Consiglieri, L D; Braham, H W; Dahlheim, M E; Fiscus, C; McGuire, P D

The pelagic and coastal waters over the Outer Continental Shelf of the Gulf of Alaska are expected to be important areas for oil and gas development and tanker traffic. Coastal areas near oil-lease sites contain important habitat for breeding marine mammals and seasonally migrating animals. Pelagic offshore waters over the continental shelf are also biologically productive and thus important for feeding for most marine mammal species seasonally migrating into and out of the Gulf. Twenty-six species of marine mammals permanently reside in or seasonally frequent the Gulf of Alaska. Many occur in large numbers in the Gulf each spring and summer, but are few in numbers during winter. This seasonality is especially true of the cetaceans. The research provides current sighting information concerning seasonal distribution and relative abundance of all marine mammals in the Gulf of Alaska as an exercise in baseline resource assessment.

• Research Organization: National Marine Mammal Lab., Seattle, WA (USA)
• OSTI ID: 5237422
• Report Number(s): PB-89-234678/XAB
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020900* -- Petroleum-- Environmental Aspects
03 NATURAL GAS
030800 -- Natural Gas-- Environmental Aspects
54 ENVIRONMENTAL SCIENCES
540310 -- Environment
Aquatic-- Basic Studies-- (1990-)
ABUNDANCE
ANIMALS
AQUATIC ORGANISMS
BASELINE ECOLOGY
CETACEANS
DOCUMENT TYPES
DRILLING
ECOLOGY
ENDANGERED SPECIES
ENERGY SOURCE DEVELOPMENT
ENVIRONMENTAL IMPACTS
GULF OF ALASKA
HABITAT
MAMMALS
MIGRATION
OFFSHORE DRILLING
PACIFIC OCEAN
POPULATIONS
PROGRESS REPORT
SEAS
SEASONAL VARIATIONS
SURFACE WATERS
VARIATIONS
VERTEBRATES