Important Bird Areas

Prince William Sound

Alaska

The Prince William Sound IBA occupies 977,466 acres of pelagic open water habitat. The IBA is located in the Prince William Sound Inside Waters ecoregion within the Gulf of Alaska. The centroid of this IBA is 1.0 km from the nearest land.

It Prince William Sound IBA is owned and managed as: federal-other and state-other, and has the following primary uses: fisheries/aquaculture-other, birdwatching, ecotourism, and ports. It is exposed to the following threat types: aquaculture/fisheries, boats, habitat fragmentation, natural events-other, nutrient pollution, and water pollution

The Prince William Sound is an IBA for the following species: Kittlitz's murrelet, Pelagic Cormorant, Black Scoter, Harlequin Duck, Marbled Murrelet, Kittlitz's murrelet, Barrow's goldeneye, and Harlequin Duck. It contains an estimated 1,011 Kittlitz's murrelet (breeding), 2,479 Pelagic Cormorant (non-breeding), 5,351 Black Scoter (non-breeding), 30,953 Harlequin Duck (breeding), 26,806 Marbled Murrelet (breeding), 387 Kittlitz's murrelet (breeding), 75,950 Barrow's goldeneye (non-breeding), and 51,959 Harlequin Duck (non-breeding). The following species are on the Audubon Alaska WatchList: Kittlitz's Murrelet and Marbled Murrelet.

Ornithological Summary

Prince William Sound is an IBA for the following species: Kittlitz's murrelet, Pelagic Cormorant, Black Scoter, Harlequin Duck, Marbled Murrelet, Kittlitz's murrelet, Barrow's goldeneye, and Harlequin Duck. It contains an estimated 1,011 Kittlitz's murrelet (breeding), 2,479 Pelagic Cormorant (non-breeding), 5,351 Black Scoter (non-breeding), 30,953 Harlequin Duck (breeding), 26,806 Marbled Murrelet (breeding), 387 Kittlitz's murrelet (breeding), 75,950 Barrow's goldeneye (non-breeding), and 51,959 Harlequin Duck (non-breeding). These estimates are based on the analysis of 1409 non-breeding surveys and 3241 breeding surveys. These surveys were conducted between February 07, 1975 and September 17, 2009. The following species are on the Audubon Alaska WatchList: Kittlitz's Murrelet and Marbled Murrelet.

Conservation Issues

The Prince William Sound IBA is threatened by: aquaculture/fisheries, boats, habitat fragmentation, natural events-other, nutrient pollution, and water pollution.

Ownership

The Prince William Sound IBA is owned and managed as: federal-other and state-other.

Habitat

The Prince William Sound IBA is characterized by the following habitat types: open water. The IBA is located in the Prince William Sound Inside Waters ecoregion with the Gulf of Alaska. The average water depth is -168.2 m and ranges from -767.4 m to 0.0 m.

Land Use

The Prince William Sound IBA is used for: fisheries/aquaculture-other, birdwatching, ecotourism, and ports.