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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 12
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Bear Damage to tags. Plot#67.
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Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: damage by animals
mammals
Location: Alaska
Description: Bear Damage to tags. Plot#67.
Date: 7/1976

Spruce felled by beaver, valley bottom Maybeso Experimental Forest.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest injuries and protection
damage by animals
mammals
Location: Alaska; Prince of Wales Island; Maybeso Valley
Description: Spruce felled by beaver, valley bottom Maybeso Experimental Forest.
Date: 4/26/1962

Springer demonstrating trapping techniques.
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; Prince of Wales Island; Hollis
Description: Springer demonstrating trapping techniques.
Date: 1958

Springer demonstrating trapping techniques.
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; Prince of Wales Island; Hollis
Description: Springer demonstrating trapping techniques.
Date: 1958

Springer measuring trapped rodents, FRI lab, Hollis.
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; Prince of Wales Island; Hollis
Description: Springer measuring trapped rodents, FRI lab, Hollis.
Date: 1958

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

Kresien & Ravensborg laying out 1-acre plot for continuous census of small mammals. Stakes are being placed on grid established by strings. 100 stake-marked trapping sites per acre.
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
Description: Kresien & Ravensborg laying out 1-acre plot for continuous census of small mammals. Stakes are being placed on grid established by strings. 100 stake-marked trapping sites per acre.
Date: 5/18/1957