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Influence Of Soil Moisture Herbaceous Competition And Small Mammals On Lodgepole Pine Pinus Contorta Var Murrayana Grev Balf Engelm Seedling Establishment In Sierra Nevada Meadows Of California
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Book Synopsis Influence of Soil Moisture, Herbaceous Competition, and Small Mammals on Lodgepole Pine (Pinus Contorta Var. Murrayana (Grev & Balf) Engelm) Seedling Establishment in Sierra Nevada Meadows of California by : Bruce Richard Johnson (Ph. D. in ecology)
Download or read book Influence of Soil Moisture, Herbaceous Competition, and Small Mammals on Lodgepole Pine (Pinus Contorta Var. Murrayana (Grev & Balf) Engelm) Seedling Establishment in Sierra Nevada Meadows of California written by Bruce Richard Johnson (Ph. D. in ecology) and published by . This book was released on 1986 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: To test the hypotheses that vegetative competition and high water tables prevent successful establishment of lodgepole pine in montane California Sierra Nevada meadows, three month old lodgepole seedlings were transplanted into dry, mesic and wet meadows in 1982 and 1983. Soil moisture was increased in dry and mesic meadows and decreased in wet meadows in combination with reduction of vegetative competition and protection from small mammal grazers. Seedling response to abiotic factors were assessed with a stress/mortality index based on non-green needles. --Adapted from abstract
Book Synopsis Herbaceous Vegetation in Forests of the Western United States by : Donna M. Loucks
Download or read book Herbaceous Vegetation in Forests of the Western United States written by Donna M. Loucks and published by . This book was released on 1991 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1987 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The American Midland Naturalist by :
Download or read book The American Midland Naturalist written by and published by . This book was released on 1989 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: A refereed, broad-spectrum journal publishing basic research in diverse disciplines in biology and varied taxa.
Download or read book Agronomy News written by and published by . This book was released on 1987 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.
Book Synopsis Commencement Ceremony by : University of California, Davis. Graduate Division
Download or read book Commencement Ceremony written by University of California, Davis. Graduate Division and published by . This book was released on 1987 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to American Doctoral Dissertations by :
Download or read book Index to American Doctoral Dissertations written by and published by . This book was released on 1986 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Paenibacillus Polymyxa and Soil Nitrogen on Lodgepole Pine (Pinus Contorta Var. Latifoliar (Dougl.) Engelm.) Seedling Growth by : Henry Yang
Download or read book Effects of Paenibacillus Polymyxa and Soil Nitrogen on Lodgepole Pine (Pinus Contorta Var. Latifoliar (Dougl.) Engelm.) Seedling Growth written by Henry Yang and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seed biology of Lodgepole pine (Pinus contorta Dougl.) by : S. K. Kamra
Download or read book Seed biology of Lodgepole pine (Pinus contorta Dougl.) written by S. K. Kamra and published by . This book was released on 1982 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pests of Lodgepole Pine, Pinus Contorta, with Particular Reference to Potential Impact in Sweden by : B. Staffan Lindgren
Download or read book Pests of Lodgepole Pine, Pinus Contorta, with Particular Reference to Potential Impact in Sweden written by B. Staffan Lindgren and published by . This book was released on 1980 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Competition for Soil Water on Growth and Water Status of Pinus Contorta on Pumice Soil by : Frederick Walter Smith
Download or read book Effects of Competition for Soil Water on Growth and Water Status of Pinus Contorta on Pumice Soil written by Frederick Walter Smith and published by . This book was released on 1981 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relative Impact of Aspen Competition and Soil Factors on the Performance of Lodgepole Pine and Hybrid White Spruce in North-central British Columbia by : C. DeLong
Download or read book Relative Impact of Aspen Competition and Soil Factors on the Performance of Lodgepole Pine and Hybrid White Spruce in North-central British Columbia written by C. DeLong and published by . This book was released on 2007 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Releasing conifers from the competition effects of aspen (Populus tremuloides Michx.) is a key focus of plantation management in sub-boreal and boreal forests, often at considerable cost. However, other factors affect early plantation performance. This study investigates the relative influence of aspen competition and soil factors on the performance of planted lodgepole pine (Pinus contorta Dougl. ex Loud.) and hybrid white spruce (Picea glauca [Moench] Voss x engelmannii Parry ex Engelm.) in north-central British Columbia. Plots were established across a gradient of natural aspen competition levels that resulted from a test of aspen control treatments at one site. Within these plots, 240 of each of the target conifer species were measured and their immediate soil and vegetative environment quantified. Regression trees and regression analysis were used to examine the importance of aspen competition relative to other factors in determining target conifer size."--Document.
Book Synopsis Wood Decay and Degradation in Standing Lodgepole Pine (Pinus Contorta Var. Latifolia Engelm.) Killed by Mountain Pine Beetle (Dendroctonus Ponderosa Hopkins: Coleoptera) by :
Download or read book Wood Decay and Degradation in Standing Lodgepole Pine (Pinus Contorta Var. Latifolia Engelm.) Killed by Mountain Pine Beetle (Dendroctonus Ponderosa Hopkins: Coleoptera) written by and published by . This book was released on 2006 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of Post-beetle Impacts on Natural Regeneration of Lodgepole Pine by : Keith Norman Egger
Download or read book Assessment of Post-beetle Impacts on Natural Regeneration of Lodgepole Pine written by Keith Norman Egger and published by . This book was released on 2009 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper the authors characterize lodgepole pine regeneration and the related micro-site conditions across a range of disturbance scenarios associated with mountain pine beetle (MPB) infestation and wildfire; indentify limitations for the germination, servival, recruitment and growth of natural and artificial regeneration in relation to the effects of site moisture, fire severity, and competition by vegetation; and provide guidance on how to manage beetle-infested lodgepole pine stands subsequently burned by wildfires. The work includes information on materials and methods, results and discussion, the authors' conclusions, as well as recommendations.--Includes text from document.
Book Synopsis Effects of Litter Addition on Ectomycorrhizal Associates of a Lodgepole Pine (Pinus Contorta) Stand in Yellowstone National Park by : Kenneth Wayne Cullings
Download or read book Effects of Litter Addition on Ectomycorrhizal Associates of a Lodgepole Pine (Pinus Contorta) Stand in Yellowstone National Park written by Kenneth Wayne Cullings and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing soil nutrients through litter manipulation, pollution, or fertilization can adversely affect ectomycorrhizal (EM) communities by inhibiting fungal growth. In this study, we used molecular genetic methods to determine the effects of litter addition on the EM community of a Pinus contorta stand in Yellowstone National Park that regenerated after a stand-replacing fire. Two controls were used; in unmodified control plots nothing was added to the soil, and in perlite plots perlite, a chemically neutral substance, was added to maintain soil moisture and temperature at levels similar to those under litter. We found that (i) species richness did not change significantly following perlite addition (2.6 ± 0.3 species/core in control plots, compared with 2.3 ± 0.3 species/core in perlite plots) but decreased significantly (P
Book Synopsis Genetic Variation of Lodgepole Pine (Pinus Contorta Var. Latifolia [Engelm.] Chemical and Physical Defenses that Affect Mountain Pine Beetle Dendroctonus Ponderosae Attack and Tree Mortality by : Daniel Stephen Ott
Download or read book Genetic Variation of Lodgepole Pine (Pinus Contorta Var. Latifolia [Engelm.] Chemical and Physical Defenses that Affect Mountain Pine Beetle Dendroctonus Ponderosae Attack and Tree Mortality written by Daniel Stephen Ott and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant secondary chemistry is determined by both genetic and environmental factors, and while large intraspecific variation in secondary chemistry has been reported frequently, the levels of genetic variation of many secondary metabolites in forest trees in the context of potential resistance against pests have been rarely investigated. We examined the effect of tree genotype and environment/site on the variation in defensive secondary chemistry of lodgepole pine, Pinus contorta var. latifolia, against the fungus, Grosmannia clavigera (formerly known as Ophiostoma clavigerum), associated with the mountain pine beetle, Dendroctonus ponderosae. Terpenoids were analyzed in phloem samples from 887, 20-yr-old trees originating from 45 half-sibling families planted at two sites. Samples were collected both pre- and post-inoculation with G. clavigera. Significant variation in constitutive and induced terpenoid compounds was attributed to differences among families. The response to the challenge inoculation with G. clavigera was strong for some individual compounds, but primarily for monoterpenoids. Environment (site) also had a significant effect on the accumulation of some compounds, whereas for others, no significant environmental effect occurred. However, for a few compounds significant family x environment interactions were found. These results suggest that P. c. latifolia secondary chemistry is under strong genetic control, but the effects depend on the individual compounds and whether or not they are expressed constitutively or following induction.
Book Synopsis The Effects of Plantation Density on the Growth and Yield of Lodgepole Pine by :
Download or read book The Effects of Plantation Density on the Growth and Yield of Lodgepole Pine written by and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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