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Long Term Lodgepole Pine Silviculture Trials In Alberta
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Book Synopsis Long-term Lodgepole Pine Silviculture Trials in Alberta by : James Douglas Stewart
Download or read book Long-term Lodgepole Pine Silviculture Trials in Alberta written by James Douglas Stewart and published by . This book was released on 2006 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-term data from established field experiments are required to properly evaluate different silvicultural options and to provide the basis for development and validation of growth models. Such data are available from a series of thinning and fertilization field studies established between 1941 and 1984 in lodgepole pine stands in the foothills of Alberta. These field sites span a wide range of ecological conditions and geographic locations. This report describes the locations and site characteristics of these these studies, their establishment histories and objectives, their experimental designs and treatments, and their results up to 2005.
Book Synopsis Long-term Lodgepole Pine Silviculture Trials in Alberta [electronic Resource] : History and Current Results by : James Douglas Stewart
Download or read book Long-term Lodgepole Pine Silviculture Trials in Alberta [electronic Resource] : History and Current Results written by James Douglas Stewart and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-term data from established field experiments are required to properly evaluate different silvicultural options and to provide the basis for development and validation of growth models. Such data are available from a series of thinning and fertilization field studies established between 1941 and 1984 in lodgepole pine stands in the foothills of Alberta. These field sites span a wide range of ecological conditions and geographic locations. This report describes the locations and site characteristics of these these studies, their establishment histories and objectives, their experimental designs and treatments, and their results up to 2005.
Book Synopsis A Lodgepole Pine Commercial Thinning Trial in Kananaskis, Alberta by : Stan Navratil
Download or read book A Lodgepole Pine Commercial Thinning Trial in Kananaskis, Alberta written by Stan Navratil and published by . This book was released on 2002 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1941, the Canadian Forestry Service established a commercial thinning trial in a stand dominated by 77-year-old lodgepole pine near Kananaskis, Alberta. Sample plots established in 1949 were re-measured in 1999, and this report presents the results of these measurements along with some earlier results. The results compare tree diameter growth & net periodic total volume increment between thinned plots and control (unthinned) plots. Management implications of the results are discussed.
Book Synopsis Evaluation of Precommercial Thinning of Lodgepole Pine from Long-term Research Installations in Alberta by : James Douglas Stewart
Download or read book Evaluation of Precommercial Thinning of Lodgepole Pine from Long-term Research Installations in Alberta written by James Douglas Stewart and published by . This book was released on 2017 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: "As the forestry landbase shrinks and demand for wood increases, improving productivity of commercial forest stands becomes more important. Because of its commercial value and common occurrence, lodgepole pine is a candidate for productivity improvement. Regenerating lodgepole pine forests are often characterized by very high density and slow growth, limiting their value. Therefore, a variety of precommercial thinning treatments have been tried at long-term installations, which provide valuable data to evaluate projections from existing growth and yield models. In this report, we evaluate the stand growth and yield from different thinning treatments in long-term silviculture installations in the Upper Foothills (Gregg Burn and Teepee Pole Creek) and Lower Foothills (MacKay) subregions of Alberta. The MacKay installation was established in 1954 with the objective of determining whether precommercial thinning of lodgepole pine could improve merchantable volume and quality at a young age, and in turn shorten rotation and increase annual allowable cuts. The Gregg Burn and Teepee Pole Creek installations were established in the 1960s to assess the response of tree and stand growth to different juvenile spacing treatments, with densities ranging from 500 to 8 000 stems per hectare. Tree growth and survival in these installations are measured periodically to evaluate the effect of different intensities of thinning on the growth and yield of the lodgepole pine crop trees. To provide a decadal update to previous measurements and evaluation, published in 2006, we examined total and merchantable volumes in these installations using the most recent data (2011-2014). Our analysis found that thinning is unlikely to increase yields; however, if thinning is carried out for other reasons, judicious choice of a thinning regime can avoid a yield loss. Thinning to 2 000-3 000 stems per hectare appears to be optimal, maximizing the positive effect on tree growth without major losses in volume"--Abstract, p. iii.
Download or read book Lodgepole Pine written by Mayo Murray and published by . This book was released on 1983 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecology and Regeneration of Lodgepole Pine by : James E. Lotan
Download or read book Ecology and Regeneration of Lodgepole Pine written by James E. Lotan and published by . This book was released on 1983 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compensatory Growth: an Adaptation to Environmental Stress in Plants and Animals by : Chao Li
Download or read book Compensatory Growth: an Adaptation to Environmental Stress in Plants and Animals written by Chao Li and published by Frontiers Media SA. This book was released on 2024-03-27 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compensatory growth (CG) is defined as a change in growth rate (usually positive) following a period of reduced biomass or slowed growth due to some perturbation (e.g. nutrient deprivation, parasite load, tissue damage, or natural/anthropogenic disturbance). The phenomenon occurs throughout the plant and animal kingdoms, and while it is primarily observed in species with short lifespans, it has also been detected in longer-living organisms such as trees. CG occurs at the individual level as a variable life history trait but has the potential to impact the performance of whole populations and communities.
Book Synopsis Silviculture of Lodgepole Pine in the Central Rocky Mountains by : Wayne D. Shepperd
Download or read book Silviculture of Lodgepole Pine in the Central Rocky Mountains written by Wayne D. Shepperd and published by . This book was released on 1983 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetics of Lodgepole Pine by : William Burke Critchfield
Download or read book Genetics of Lodgepole Pine written by William Burke Critchfield and published by . This book was released on 1980 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Silvics of Lodgepole Pine by : David Tackle
Download or read book Silvics of Lodgepole Pine written by David Tackle and published by . This book was released on 1959 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report INT written by and published by . This book was released on 1988 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soil Characteristics Influencing Lodgepole Pine Regeneration Near West Yellowstone, Montana by : James E. Stermitz
Download or read book Soil Characteristics Influencing Lodgepole Pine Regeneration Near West Yellowstone, Montana written by James E. Stermitz and published by . This book was released on 1974 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pest Distribution and Impact in Young Lodgepole Pine Stands in West-central Alberta by : Peter Augustine Amirault
Download or read book Pest Distribution and Impact in Young Lodgepole Pine Stands in West-central Alberta written by Peter Augustine Amirault and published by . This book was released on 1989 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings-- Future Forests of the Mountain West by :
Download or read book Proceedings-- Future Forests of the Mountain West written by and published by . This book was released on 1988 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Deogratias M. Rweyongeza Publisher :Alberta Sustainable Resource Development ISBN 13 :9780778591856 Total Pages :30 pages Book Rating :4.5/5 (918 download)
Book Synopsis Patterns of Optimal Growth for Lodgepole Pine Provenances in Alberta by : Deogratias M. Rweyongeza
Download or read book Patterns of Optimal Growth for Lodgepole Pine Provenances in Alberta written by Deogratias M. Rweyongeza and published by Alberta Sustainable Resource Development. This book was released on 2010 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report on the genetics of lodgepole pine in Alberta is the first in a series of technical research papers on conifers that will be produced by the Alberta Tree Improvement and Seed Centre (ATISC). This report describes results from measurements of 15 year height (H15) and diameter at breast height (D15) made on a series of provenance trials comprised of 23 Alberta population planted on 9 test sites across the province.--Document.
Book Synopsis Genetics of Lodgepole Pine by : William Burke Critchfield
Download or read book Genetics of Lodgepole Pine written by William Burke Critchfield and published by . This book was released on 1980 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Management and Silviculture of Lodgepole Pine in B.C. by : Forest Research Council of British Columbia
Download or read book The Management and Silviculture of Lodgepole Pine in B.C. written by Forest Research Council of British Columbia and published by . This book was released on 1983 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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