The Riou Spit Colony IBA occupies 107 acres of land comprised of: bare rock/sand/clay, deciduous forest, mixed forest, shrubland, emergent herbaceous wetlands, and woody wetlands. The IBA is located in the Gulf of Alaska Coast ecoregion. It is owned and managed as: for profit-other, and has the following primary uses: unknown.

The Riou Spit Colony IBA contains 2 seabird colonies. Collectively, these colonies contain 4 seabird species and an estimated 1,076 birds. The meta-colony is an IBA for the following species: Aleutian Tern (428). The following species are on the Audubon Alaska WatchList: Aleutian Tern.

Ornithological Summary

The Riou Spit Colony IBA contains 2 seabird colonies. Collectively, these colonies contain 4 seabird species and an estimated 1,076 birds. The meta-colony is an IBA for Aleutian Tern (428). The largest colony, Riou Spit, contains 3 seabird species and an estimated 624 birds. The following species are on the Audubon Alaska WatchList: Aleutian Tern.

Conservation Issues

The Riou Spit Colony IBA is threatened by: aquaculture/fisheries, boats, habitat fragmentation, natural events-other, nutrient pollution, and water pollution.

Ownership

The Riou Spit Colony IBA is owned and managed as: for profit-other.

Habitat

The Riou Spit Colony IBA is located in the Gulf of Alaska Coast ecoregion and contains the following habitat types: bare rock/sand/clay, deciduous forest, mixed forest, shrubland, emergent herbaceous wetlands, and woody wetlands. The meta-colony occupies a total land area of 107 acres with an average elevation of 0.5 m.

Land Use

The Riou Spit Colony IBA is used for: unknown.

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