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USFS Logo Research Data Archive
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Displaying items 1 - 4 of 4
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12" spruce completely girdled at base. Helm Bay, Cleveland Peninsula.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
mammals
wild mammals
Location: Alaska; Helm Bay
Description: 12" spruce completely girdled at base. Helm Bay, Cleveland Peninsula.
Date: 7/12/1957

Extensive chewing around base of 38" hemlock (McGregor). Hel Bay, Cleveland Peninsula.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
mammals
wild mammals
Location: Alaska; Helm Bay
Description: Extensive chewing around base of 38" hemlock (McGregor). Hel Bay, Cleveland Peninsula.
Date: 7/12/1957

Gnawed patch near base of spruce. Helm Bay, Cleveland Peninsula.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
mammals
wild mammals
Location: Alaska; Helm Bay
Description: Gnawed patch near base of spruce. Helm Bay, Cleveland Peninsula.
Date: 7/12/1957

Patches of bark removed in top of 14" spruce, Helm Bay, Cleveland Peninsula.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
mammals
wild mammals
Location: Alaska; Helm Bay
Description: Patches of bark removed in top of 14" spruce, Helm Bay, Cleveland Peninsula.
Date: 7/12/1957