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USFS Logo Research Data Archive

*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 20 of 33
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A 115 year old stand of white spruce on the Black River north of Rotten Fish Slough. Site index 80.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Black River
Description: A 115 year old stand of white spruce on the Black River north of Rotten Fish Slough. Site index 80.
Date: 6/1976

On Porcupine River at white spruce plots 331 and 332.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Porcupine River
Description: On Porcupine River at white spruce plots 331 and 332.
Date: 6/1976

On the river near white spruce plot 328.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska
Description: On the river near white spruce plot 328.
Date: 6/1976

Porcupine R. at white spruce plot 328, a 215 yr. old stand. Site index is approx. 55. Bd. ft. vol.* is about 4200 bd. ft. per acre, 2300 cubic ft. per acre in trees 5. inches and larger. *(International 1/4-inch rule).
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Porcupine River
Description: Porcupine R. at white spruce plot 328, a 215 yr. old stand. Site index is approx. 55. Bd. ft. vol.* is about 4200 bd. ft. per acre, 2300 cubic ft. per acre in trees 5. inches and larger. *(International 1/4-inch rule).
Date: 6/1976

White spruce plot 327.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska
Description: White spruce plot 327.
Date: 6/1976

White spruce plot 327.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska
Description: White spruce plot 327.
Date: 6/1976

White spruce plot 327; a 152 year old stand, site index 53.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska
Description: White spruce plot 327; a 152 year old stand, site index 53.
Date: 6/1976

White spruce plot 332; a 176 yr. old stand of site index 54. Cubic foot vol. per acre is approx. 2140 in trees 5 inches and larger.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska
Description: White spruce plot 332; a 176 yr. old stand of site index 54. Cubic foot vol. per acre is approx. 2140 in trees 5 inches and larger.
Date: 6/1976

White spruce plot 332; a 176 yr. old stand of site index 54. Cubic foot volume per acre is approximately 2140 in trees 5 inches and larger.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska
Description: White spruce plot 332; a 176 yr. old stand of site index 54. Cubic foot volume per acre is approximately 2140 in trees 5 inches and larger.
Date: 6/1976

White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Porcupine River
Description: White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger.
Date: 6/1976

White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Porcupine River
Description: White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger.
Date: 6/1976

White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. Tree in foreground was cut in 1964.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Porcupine River
Description: White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. Tree in foreground was cut in 1964.
Date: 6/1976

White spruce yield plot 332 on Porcupine River site index 54. Cubic foot vol. per acre in trees 5 inches and larger = 2140.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
yield tables and their construction
yield models
Location: Alaska; Porcupine River
Description: White spruce yield plot 332 on Porcupine River site index 54. Cubic foot vol. per acre in trees 5 inches and larger = 2140.
Date: 6/1976

Site index plot 025 in Kassan Bay. A 120 year old, site 140 stand growing on a cobbley Salt chuck soil. Hemlock and spruce were felled and sectioned for stem analysis.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska; Prince of Wales Island; Kasaan Bay
Description: Site index plot 025 in Kassan Bay. A 120 year old, site 140 stand growing on a cobbley Salt chuck soil. Hemlock and spruce were felled and sectioned for stem analysis.
Date: 6/3/1968

Site index plot 025 in Kassen Bay. A 120 year old, site 140 stand growing on a cobbley Salt chuck soil. Dick Boyles sectioning one of the largest spruce.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska; Prince of Wales Island; Kasaan Bay
Description: Site index plot 025 in Kassen Bay. A 120 year old, site 140 stand growing on a cobbley Salt chuck soil. Dick Boyles sectioning one of the largest spruce.
Date: 6/3/1968

Site index plot 015 in Rocky Pass. A 147 year old, site 100 stand growing on slightly wetter than average Wadleigh soil.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska; Rocky Pass
Description: Site index plot 015 in Rocky Pass. A 147 year old, site 100 stand growing on slightly wetter than average Wadleigh soil.
Date: 5/8/1968

Site index plot 016 on High Island, Rocky Pass. A 118 year old stand, site index 87. A Karheen soil integrating toward a wadleigh.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska; Rocky Pass; High Island
Description: Site index plot 016 on High Island, Rocky Pass. A 118 year old stand, site index 87. A Karheen soil integrating toward a wadleigh.
Date: 5/8/1968

Site index plot 015 in Rocky Pass. A 147 year old, site 100 stand growing on slightly wetter than average Wadleigh soil (Richard Boyles felling a spruce).
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska; Rocky Pass
Description: Site index plot 015 in Rocky Pass. A 147 year old, site 100 stand growing on slightly wetter than average Wadleigh soil (Richard Boyles felling a spruce).
Date: 5/6/1968

Site index Plot 001 showing end of hemlock cut the previous season. Separation can be easily seen between sapwood and heartwood.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska
Description: Site index Plot 001 showing end of hemlock cut the previous season. Separation can be easily seen between sapwood and heartwood.
Date: 1968

Site index plot 002,Tenakee Inlet. Total age 129. Site index 71. McGilvery soil.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: forest mensuration
increment
development and structure of stands
surveying and mapping
assessment of site quality
Location: Alaska; Chichagof Island; Tenakee Inlet
Description: Site index plot 002,Tenakee Inlet. Total age 129. Site index 71. McGilvery soil.
Date: 1968