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  1. Ecology, silviculture, and management of Black Hills ponderosa pine

    This paper presents a broad-based synthesis of the general ecology of the ponderosa pine ecosystem in the Black Hills. This synthesis contains information and results of research on ponderosa pine from numerous sources within the Black Hills ecosystem. We discuss the silvical characteristics of ponderosa pine, natural disturbances that govern ecosystem processes,...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Wayne D. Shepperd; Michael A. Battaglia
    Year:
    2002
    Keywords:
    Black Hills, silviculture, ecology, ponderosa pine, even-aged management, uneven-aged management, reforestation, wildlife habitat, natural disturbance, snags, insects, disease, fire history
    Source:
    Gen. Tech. Rep. RMRS-GTR-97. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 112 p.

  2. The Chilling Optimum of Idaho and Arizona Ponderosa Pine Buds

    Ponderosa pine (Pinus ponderosa) seedlings from Idaho (var. ponderosa) and Arizona (var. scopulorum) grown in a container nursery received optimum chilling [2,010 hr (84 days) of temperatures below 5°C]. While seedlings were in the greenhouse, days required for 50% of the population to break bud were similar for both seed sources...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    David L. Wenny; Daniel J. Swanson; R. Kasten Dumroese
    Year:
    2002
    Keywords:
    Ponderosa pine, chilling requirements, container-grown seedlings
    Source:
    West J. Appl. For. 17(3):117-­121 2002.

  3. Effect of a transpiration retardant on survival of planted ponderosa pine.

    Losses of newly planted coniferous seedlings from drought during the critical period when new roots are developing is a continuing problem in many parts of the West. One possible solution frequently suggested to forest managers is to coat the seedling tops with a transpiration inhibitor, usually a waxy substance applied in emulsion form. This research note gives the...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Edwin L. Mowat
    Year:
    1961
    Keywords:
    Source:
    PNW Old Series Research Note No. 203, p. 1-4

  4. Growth after partial cutting of ponderosa pine on permanent sample plots in eastern Oregon.

    Between the years 1913 and 1938, seven sets of permanent sample plots were established on the Whitman, Malheur, Rogue River, and Deschutes National Forests in eastern and central Oregon to study the results of various methods of selection cutting in old-growth ponderosa pine stands. This report briefly describes these studies and gives statistics on board-foot growth...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Edwin L. Mowat
    Year:
    1961
    Keywords:
    Source:
    USDA Forest Service PNW Old Series Research Paper No. 44: 1-23

  5. Ponderosa pine lumber recovery in north-central Washington.

    Prior to World War 11, the U. S. Forest Service (Region 6) adopted the policy of appraising ponderosa pine timber with a standardized set of lumber grade recovery data obtained from representative pine mills which are known to use average care in manufacturing and marketing. Such data were derived by combining the results of several mill studies made about 20 to 25...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    E.H. Clarke
    Year:
    1961
    Keywords:
    Source:
    PNW Old Series Research Note No. 211, p. 1-17

  6. Hydraulic redistribution of soil water during summer drought in two contrasting Pacific Northwest coniferous forests.

    The magnitude of hydraulic redistribution of soil water by roots and its impact on soil water balance were estimated by monitoring time courses of soil water status and multiple depths and root sap flow under drought conditions in a dry ponderosa pine (Pinus ponderosa Dougl. ex Laws) ecosystem and in a moist Douglas-fir (Pseudotsuga...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    J. Renee Brooks; Frederick C. Meinzer; Rob Coulombe; Jillian Gregg
    Year:
    2002
    Keywords:
    Source:
    Tree Physiology. 22: 1107-1117

  7. Seasoning and surfacing degrade in kiln-drying ponderosa pine in eastern Washington.

    This report presents results of a study to determine the degrade (loss in volume and value) of ponderosa pine lumber when cut, kiln-dried, and surfaced in accordance with commercial practice. The study measured (1) loss in volume due to culling and trimming surfaced dry lumber because of sawing, seasoning, and surfacing defects; (2) reduction in grade due to seasoning...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    A.C. Knauss; E.H. Clarke
    Year:
    1961
    Keywords:
    Source:
    PNW Old Series Research Note No. 205, p. 1-12

  8. Lumber grade and value performance of young-growth ponderosa pine logs at the Challenge Experimental Forest

    Old-growth timber is still the main source of ponderosa pine sawlogs in California, but the proportion of the annual cut from young-growth sawtimber is expected to rise rapidly in the future. The increasing significance of the young-growth resource is particularly apparent in the westside Sierra subregion, where the Challenge Experimental Forest is located. In this...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Carl A. Newport; Elliot L. Amidon
    Year:
    1961
    Keywords:
    Source:
    Tech. Paper 55. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 14 p

  9. O3 uptake and drought stress effects on carbon acquisition of ponderosa pine in natural stands

    • The effect of O3 exposure or uptake on carbon acquisition (net assimilation (A) or gross photosynthesis (Pg)), with and without drought stress, is reported here in 40-yr-old-ponderosa pine (Pinus ponderosa) trees.
    • Maximum daily gas exchange was...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    N.E. Grulke; H.K. Preisler; C. Rose; J. Kirsch; L. Balduman
    Year:
    2002
    Keywords:
    Pinus ponderosa (ponderosa pine), ozone (O3) uptake, pollution effects, assimilation, photosynthesis, drought stress.
    Source:
    New Phytologist. 154: 621-631.

  10. A statistical approach to estimate O3 uptake of ponderosa pine in a mediterranean climate

    In highly polluted sites, stomatal behavior is sluggish with respect to light, vapor pressure deficit, and internal CO2 concentration (Ci) and poorly described by existing models. Statistical models were developed to estimate stomatal conductance (gs) of 40-year-old ponderosa pine at three sites differing in pollutant exposure for the purpose of...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    N.E. Grulke; H.K. Preisler; C.C. Fan; W.A. Retzlaff
    Year:
    2002
    Keywords:
    Ozone uptake, ponderosa pine, Stomatal conductance, TREGRO.
    Source:
    Environmental Pollution. 119: 163-175.

  11. Seasonality and abundance of truffles from oak woodlands to red fir forests

    Truffles are an important food source for many small mammals in forest ecosystems; however, we know little about the seasonality, abundance, or diversity of the truffle community in the Sierra Nevada. This study examined how truffle abundance and diversity varied between oak woodland, ponderosa pine (Pinus ponderosa), mixed-conifer, and red fir (

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Malcolm P. North
    Year:
    2002
    Keywords:
    Source:
    In: Verner, Jared, tech. editor. Proceedings of a Symposium on the Kings River Sustainable Forest Ecosystem Project: Progress and Current Status. Gen. Tech. Rep. PSW-GTR-183, Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture: 91-98

  12. Chemical control of brush in ponderosa pine forests of central Oregon.

    The many acres of forest land that are occupied by brush in central Oregon represent a large-scale waste of timber-growing capacity and a major economic loss to the area. Although large brushfields devoid of tree growth present the most spectacular examples of loss, less obvious but equally important brush problems are common in established timber stands. Brush...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Walter G. Dahms
    Year:
    1961
    Keywords:
    Source:
    USDA Forest Service PNW Old Series Research Paper No. 39: 1-17

  13. An investigation of the insect fauna associated with coarse woody debris of Pinus ponderosa and Aibes concolor in northeastern California.

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    E. Koenigs; P.J. Shea; R. Borys; M.I. Haverty
    Year:
    2002
    Keywords:
    Source:
    Proceedings of the Symposium on the Ecology and Management of Dead Wood in Western Forests, November 2-4, 1999, Reno, NV. USDA Forest Service, Pacific Southwest Research Station, Albany, CA. General Technical Report PSW-GTR-181: 97-110.

  14. Post-European Settlement Forest Changes in Oscoda and Ogemaw Counties, Michigan

    Witness trees from Ogemaw and Oscoda counties were used to identify presettlement forest composition in order to compare how different historical land uses altered early settlement and presentday forests. Presettlement forests in Ogemaw County were dominated by Tsuga canadensis (17%), Pinus banksianu (13%), and Fagus...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Carolyn A. Copenheaver; Marc D. Abrams
    Year:
    2002
    Keywords:
    Source:
    The Michigan Botanist 41:147-163

  15. Diesel fuel oil for increasing mountain pine beetle mortality in felled logs

    Diesel fuel oil was applied to mountain pine beetle (Dendroctonus ponderosae Hopkins) infested bolts of ponderosa pine (Pinus ponderosa Lawson) in early June. Just prior to the fuel oil application and 6 weeks later, 0.5 ft2 bark samples were removed from each bolt and the numbers of live beetles counted....

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    S. A. Mata; J. M. Schmid; D. A. Leatherman
    Year:
    2002
    Keywords:
    diesel fuel, mountain pine beetle, Dendroctonus ponderosae, ponderosa pine, Pinus ponderosa, logs, mortality
    Source:
    Res. Note RMRS-RN-13. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 4 p.

  16. Forest nursery management in Chile

    The forest economy in Chile is based on products from artificial reforestation efforts on approximately 2 million ha. From these, about 1.5 million ha (75%) are planted with Pinus radiata, 400,000 ha (20%) with species of Eucalyptus, principally E. globulus and E. nitens, and the rest (5%) composed by other...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Rene Escobar R.; Manuel Sanchez O.; Guillermo Pereira C.
    Year:
    2002
    Keywords:
    seedling, reforestation, plantation, propagation, radiata pine, Eucalyptus, micropropagation, bareroot nursery, container nursery
    Source:
    In: Dumroese, R. K.; Riley, L. E.; Landis, T. D., technical coordinators. National proceedings: forest and conservation nursery associations-1999, 2000, and 2001. Proceedings RMRS-P-24. Ogden, UT: U.S. Department of Agriculture Forest Service, Rocky Mountain Research Station. p. 219-225

  17. Prey handling and diet of Louisiana pine snakes (Pituophis ruthveni) and black pine snakes (P. melanoleucus lodingi), with comparisons to other selected colubrid snakes

    Diet and prey handling behavior were determined for Louisiana pine snakes (Pituophis ruthveni) and black pine snakes (P. melanoleucus lodingi). Louisiana pine snakes prey heavily on Baird's pocket gophers (Geomys breviceps), with which they are sympatric, and exhibit specialized behaviors that facilitate...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    D. Craig Rudolph; Shirley J. Burgdorf; Richard N. Conner; Christopher S. Collins; Daniel Saenz; Richard R. Schaefer; Toni Trees; C. Michael Duran; Marc Ealy; John G. Himes
    Year:
    2002
    Keywords:
    Diet, Geomys, Pituophis melanoleucus lodingi, P. ruthveni, Predation
    Source:
    Herpetological Natural History. 9(1): 57-62

  18. Board foot volumes of young growth mixed conifer timber

    Board foot volumes have been determined for ponderosa pine, sugar pine, white fir, and Douglas-fir in 90-year-old mixed-conifer stands on the Challenge Experimental Forest, near Oroville, California. Productivity is high—site index 140 feet at 100 years. Following the technique described by Boe, the scaled volumes of felled trees were plotted on logarithmic...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    W. L. Jackson
    Year:
    1961
    Keywords:
    Source:
    Res. Note PSW-182. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 2 p.

  19. Abundance and productivity of birds over an elevational gradient

    This study is investigating the abundance and productivity of birds breeding in four forest types over an elevational gradient in conifer forests of the southern Sierra Nevada of California to identify the most productive habitats for each species, and to examine elevational shifts in abundance, especially as they relate to temperature and precipitation. Species...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Kathryn L. Purcell
    Year:
    2002
    Keywords:
    Source:
    In: Verner, Jared, tech. editor. Proceedings of a Symposium on the Kings River Sustainable Forest Ecosystem Project: Progress and Current Status. Gen. Tech. Rep. PSW-GTR-183, Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture: 121-132

  20. Age structure and growth of California black oak (Quercus kelloggii) in the central Sierra Nevada, California

    Age structure and growth of California black oak (Quercus kelloggii) was determined from tagged trees at four 26.1-acre study stands in Placer County, California. Stands were dominated by large diameter (>20 inch dbh) California black oak and ponderosa pine (Pinus ponderosa). Randomly selected trees were tagged in June-August...

    https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22

    Author(s):
    Barrett A. Garrison; Christopher D. otahal; Matthew L. Triggs
    Year:
    2002
    Keywords:
    Source:
    In: Standiford, Richard B., et al, tech. editor. Proceedings of the Fifth Symposium on Oak Woodlands: Oaks in California's Challenging Landscape. Gen. Tech. Rep. PSW-GTR-184, Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture: 665-679

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https://www.fs.usda.gov/treesearch/search?keywords=%22Pinus%20ponderosa%22&f%5B0%5D=year%3A%222002%22&f%5B1%5D=year%3A%221961%22