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Wednesday, May 6, 2020 | History

2 edition of Dispersal of lodgepole pine seed into clear-cut patches found in the catalog.

Dispersal of lodgepole pine seed into clear-cut patches

Walter G. Dahms

Dispersal of lodgepole pine seed into clear-cut patches

by Walter G. Dahms

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Published by Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture in Portland, Or .
Written in English

    Subjects:
  • Lodgepole pine -- Seeds -- Dispersal -- Oregon -- Winema National Forest.

  • Edition Notes

    Statementby Walter G. Dahms.
    SeriesU.S. Forest Service research note PNW -- 3.
    ContributionsPacific Northwest Forest and Range Experiment Station (Portland, Or.)
    The Physical Object
    Pagination7 p. :
    ID Numbers
    Open LibraryOL16121525M

    Washington, DC: The National Academies Press. doi: / In a like manner, there may be certain bird or bat species that could provide valuable seed dispersal services if introduced into a landscape mosaic of forest and abandoned pastures. the lodgepole pine. The history of deforestation in the tropics began in the s with the harvesting of indigenous tree crops (e.g. rubber and hardwoods) and the replacement of original forest by crops (West Indies - sugar, Brazil - coffee and sugar, and Malaysia - rubber). Vast expansion of rice cultivation in lower Burma resulted in the destruction of ab square kilometers of rainforest between

      Holtmeier, F.-K. (c). Human impacts on high altitude forests and upper timberline with special reference to middle latitudes. In T. Fujimori & M. Kimura (Eds.), Human impacts and management of mountain dings of an International Workshop of the IUFRO project group P, held in Japan 5–13 September , pp. 9–Author: Friedrich-Karl Holtmeier. Content Posted in Laboratory Prediction of Phosphorus Release From Deciduous Leaves to Urban Runoff, Heather Culbert and Robert France. PDF. Laboratory Testing of Precast Bridge Beck Panel Transverse Connections for Use in Accelerated Bridge Construction, Scott D. Porter. Labor productivity and costs of motor-manual release of spruce from hardwoods in Manitoba, J.P. Franceschi, F.W.

    A week earlier, the Forest Service began its hazardous-tree removal project along Highway , the main route into Yosemite National Park. To date the logging has made it just a few miles down the road, but eventually crews will clear-cut a total of , trees along miles of roadway through the forest. Animals also aid in dispersal of seeds by eating them or by the seed hitching a ride on the animal. - Animals can also effect the evolution of plants because of preference, or if they eat certain plants then a new defense might arise, and they can effect gene flow .


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Dispersal of lodgepole pine seed into clear-cut patches by Walter G. Dahms Download PDF EPUB FB2

Get this from a library. Dispersal of lodgepole pine seed into clear-cut patches. [Walter G Dahms; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)] -- Reports findings of a study on lodgepole pine seed production and dissemination in south-central Oregon.

collection and storage of lodgepole pine cones and extraction of seed therefrom, both the practical features and physical principles in- volved; and (3) the characteristics of lodgepole pine seed germina- tion, in the greenhouse and: field, as influenced by the germinating conditions, by the seed source and quality, and finally by fi^ld conditions.

Near Watson Lake, Yukon, succession was studied after stand-replacing wildfires in black spruce-lodgepole pine stands (n=39 stands).

In stands that were. The pines, lodgepole pine (Pinus contorta, mg), ponderosa pine (P. ponderosa, 55 mg), Jeffrey pine (P. jeffreyi, mg), and sugar pine (P. lambertiana, mg), produce winged seeds that are.

Dispersal of lodgepole pine seed into clear-cut patches / by Walter G. Dahms. Portland, Or.: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, [] SDU51 no Relation between moisture content of fine fuels and relative humidity / by Harold K. Steen.

Portland, Or. * flowers/min. for nectar and flowers/min. for pollen collection. The average volume of nectar per bog Labrador tea flower was µl, and the number of pollen tetrads per flower was [].In the Burns Bog area of the Fraser River Delta in British Columbia, bog Labrador tea flower and pollen production were measured in areas where bog Labrador tea coverage was 95% and flowering.

Warren root collar weevil, Hylobius warreni Wood, is a native, flightless insect distributed throughout the boreal forest of North America. It is an emerging problem in young plantings of. LODGEPOLE PINE SUPERIOR TREE SELECTION PROJECT General Information for Superior Tree Cruising Listing of "Candidate" Stands for Cruising There are several possible sources which may be used to compile a list of potential stands from which Candidate stands may be chosen.

A critical aspect of population spread is the degree of continuity of hospitable resources or patches on the landscape. As described in the preceding text for the southern pine beetle, unsuitable patches can interrupt population spread unless population density or growth is sufficient to maintain high dispersal rates across inhospitable patches.

This duck has expanded its breeding and wintering ranges into eastern Canada, likely in response to habitat made available by the clearing of forest. (c) The population of lodgepole pine (Pinus contorta) near Snowshoe Lake, British Columbia, during Author: Bill Freedman.

type of container lodgepole pine grown under conditions that promote secondary foliage was examined. Seedlings were graded into three classes based on height and the tallest stock was further sorted by primary or secondary needles.

Root col-lar diameter was similar among all seedlings except the short treatment group, which had a significantly. Numbers ofH. abietis found on forest sites were lower than those on fresh clear-cut sites, but not those on one year old or older clear cut sites. In mark-recapture experiments the recapture rates ofH.

abietis ranged from zero to 73%; they were zero on fresh clear-cut sites. Recapture rate was not correlated to dispersal by: 6. Genetic impacts of forest management practices in temperate and boreal forests North America.

North America has about 17% of the world’s forest resources, with a forest area of about million ha in ().Of this, million ha resides in Canada, million ha in USA and 65 million ha in by: Converting pure LPs into larch-walnut mixed forests can solve those problems, in which it is crucial to promote the seed regeneration of Juglans mandshurica in LPs.

The success of walnut seed regeneration is dependent on rodent removing seed away from mother. A massive insect outbreak in the public forests of central British Columbia (Canada) poses a serious challenge for sustainable forest management planning.

Tree mortality caused by natural disturbances has always been a part of wild and managed forests, but climate change is accentuating the uncertainty around such losses. Policy responses to accelerate overall timber harvesting levels to Cited by:   When a mature climax lodge pole pine forest is clear cut and replaced with pine seedings, (pine is the product for sale).

Update: When a mature climax lodge pole pine forest is clear cut and replaced with pine seedings, (pine is the product for sale),how. The upper limits of the ponderosa pine forest grade into Douglas fir, grand fir and white fir depending on locale. Lodgepole pine also occurs in association with ponderosa pine-*- lodgepole pine on the more 'mesic sites, while drier sites are occupied by ponderosa pine.

Other mesic sites are frequently occupied by quaking aspen. The upper limits of the ponderosa pine forest grade into Douglas fir, grand fir and white fir depending on locale. Lodgepole pine also occurs in association with ponderosa pine^- lodgepole pin*3 on the more 'mesic sites, while drier sites are occupied by ponderosa pine.

Other mesic sites are frequently occupied by quaking aspen. Full text of "Yellowstone National Park resources and issues: an annual compendium of information about Yellowstone National Park" See other formats.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. 1. Abrams, Marc D.; Dickmann, Donald I.

Response of understory vegetation to fertilization on mature and clear-cut jack pine sites in northern Lower Michigan.

The American Midland Naturalist. (1): [] 6. Brooks, Matthew L. Effects of fire suppression and postfire management activities on plant invasions.of regeneration of lodgepole pine are difficult to obtain. Often reproduction is so thick that thinning is necessary to obtain good growth.

Sometimes too few seedlings become established. In a year study of lodgepole pine regeneration on clear cut areas in Montana, most .Quadrat showing seedlings of lodgepole pine in a Vaccinium cover Belt transect through forest of lodgepole pine, bare burn, and half burn Bisect of sand-hills mixed association in eastern Colorado Bisect of the Bulbilis-Bouteloua-poion in eastern Colorado Transect of a migration arc