Twenty-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington.

Barrett, James W.

doi:10.2737/pnw-rp-286

Cited by 4 publications

(8 citation statements)

References 15 publications

(1 reference statement)

Supporting

Mentioning

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“…This has been most evident and consistent during the last two periods of observation. A similar trend was observed in the Methow Valley study (Barrett 1981). This is probably due to increasing age and stand density (basal area).…”

Section: Diameter Growthsupporting

confidence: 85%

“…This spacing study is one of several established in ponderosa pine in the Pacific Northwest in the late 1950's and early 1960's. It is similar in design to the Methow study in north-central Washington (Barrett 1981), and some results of the two studies will be compared. The intent of studies of this kind was to provide forest managers with enough information from different treatments so they could choose tree spacing that would yield products compatible with management objectives.…”

mentioning

confidence: 99%

“…The Methow study, established about 4 years later, tested spacings of 9.3, 13.2, 18.7, and 26.4 feet as well as growth in unthinned plots (Barrett 1981). It showed that dense, suppressed ponderosa pine responded to increased space with more diameter and height growth.…”

mentioning

confidence: 99%

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Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon.

W.¹

1982

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Section: Diameter Growthsupporting

confidence: 85%

mentioning

confidence: 99%

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Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon.

W.¹

1982

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“…Numerous studies have shown increased growth and vigor of remaining trees following thinning (Oliver 1979, Barrett 1981, Barrett 1982, Barrett 1989, Larson et al 1983, Cochran and Barrett 1999a. Growth response to thinning has been shown to occur in all size classes of trees, including large old ponderosa pine (McDowell et al 2003).…”

Section: Environmental Consequences -Late and Old Structurementioning

confidence: 99%

“…Response: In the absence of direct and applicable citations, it is unclear to the Forest Service what support the commenters have for indicating scientific controversy. a) There are numerous studies pertaining to tree growth and mortality at various stand density levels (Barrett 1981(Barrett , 1982(Barrett , and 1989Larson et al 1983;Barrett 1999a and1999b). Growth response to thinning has been shown to occur in all size classes of trees, including large old ponderosa pine (McDowell et al 2003).…”

Section: Project Designmentioning

confidence: 99%

Department of Agriculture

Hurt¹

2003

Balancing the Federal Budget: Eating the Seed Corn or Trimming the Herds?

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The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, gender, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.

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Ponderosa promise: a history of U.S. Forest Service research in central Oregon.

Joslin¹

2007

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The Forest Service of the U.S. Department of Agriculture is dedicated to the principle of multiple use management of the Nation's forest resources for sustained yields of wood, water, forage, wildlife, and recreation. Through forestry research, cooperation with the States and private forest owners, and management of the National Forests and national grasslands, it strives-as directed by Congress-to provide increasingly greater service to a growing Nation.The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable sex, marital status, familial status, parental status, religion, sexual orientation genetic information, political beliefs, reprisal, or because all or part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.

show abstract

Twenty-year growth of thinned and unthinned ponderosa pine in the Methow Valley of northern Washington.

Cited by 4 publications

References 15 publications

Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon.

Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon.

Department of Agriculture

Ponderosa promise: a history of U.S. Forest Service research in central Oregon.

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