The Gulf of Alaska Shelf 155W57N IBA occupies 206,290 acres of pelagic open water habitat. The IBA is located in the Alaska Peninsula Coastal and Shelf ecoregion within the Gulf of Alaska. The centroid of this IBA is 45.3 km from the nearest land.

It Gulf of Alaska Shelf 155W57N IBA is owned and managed as: federal-other, and has the following primary uses: fisheries/aquaculture-other.

The Gulf of Alaska Shelf 155W57N is an IBA for the following species: Cassin's auklet. It contains an estimated 108,520 Cassin's auklet (breeding).

Ornithological Summary

Gulf of Alaska Shelf 155W57N is an IBA for the following species: Cassin's auklet. It contains an estimated 108,520 Cassin's auklet (breeding). These estimates are based on the analysis of 41 non-breeding surveys and 44 breeding surveys. These surveys were conducted between May 27, 1975 and September 06, 2009.

Ownership

The Gulf of Alaska Shelf 155W57N IBA is owned and managed as: federal-other.

Habitat

The Gulf of Alaska Shelf 155W57N IBA is characterized by the following habitat types: open water. The IBA is located in the Alaska Peninsula Coastal and Shelf ecoregion with the Gulf of Alaska. The average water depth is -171.3 m and ranges from -285.0 m to -34.7 m.

Land Use

The Gulf of Alaska Shelf 155W57N IBA is used for: fisheries/aquaculture-other.

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