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Evaluation Of Precommercial Thinning Of Lodgepole Pine From Long Term Research Installations In Alberta
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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.
Book Synopsis Precommercial Thinning Speeds Growth and Development of Lodgepole Pine by : W. D. Johnstone
Download or read book Precommercial Thinning Speeds Growth and Development of Lodgepole Pine written by W. D. Johnstone and published by . This book was released on 1981 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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 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 Tree Growth and Water Use Response to Thinning in a 47-year-old Lodgepole Pine Stand by : Walter G. Dahms
Download or read book Tree Growth and Water Use Response to Thinning in a 47-year-old Lodgepole Pine Stand written by Walter G. Dahms and published by . This book was released on 1973 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth of Young Lodgepole Pine After Mechanical Strip Thinning in Alberta /by I. E. Bella by : I. E. Bella
Download or read book Growth of Young Lodgepole Pine After Mechanical Strip Thinning in Alberta /by I. E. Bella written by I. E. Bella and published by . This book was released on 1972 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of High Plantation Densities on the Growth and Yield of Lodgepole Pine by : George James Harper
Download or read book Effects of High Plantation Densities on the Growth and Yield of Lodgepole Pine written by George James Harper and published by . This book was released on 2018 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :L. A. Smithers Publisher :Department of Northern Affairs and National Resources ISBN 13 : Total Pages :26 pages Book Rating :4.:/5 (245 download)
Book Synopsis Thinning in Lodgepole Pine Stands in Alberta by : L. A. Smithers
Download or read book Thinning in Lodgepole Pine Stands in Alberta written by L. A. Smithers and published by Department of Northern Affairs and National Resources. This book was released on 1957 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Response of Thinned Lodgepole Pine After Fertilization by : P. H. Cochran
Download or read book Response of Thinned Lodgepole Pine After Fertilization written by P. H. Cochran and published by . This book was released on 1979 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :D. E. Tait Publisher :Forest Economics and Policy Analysis Research Unit, University of British Columbia ISBN 13 : Total Pages :30 pages Book Rating :4.:/5 (319 download)
Book Synopsis The Stand Dynamics of Lodgepole Pine by : D. E. Tait
Download or read book The Stand Dynamics of Lodgepole Pine written by D. E. Tait and published by Forest Economics and Policy Analysis Research Unit, University of British Columbia. This book was released on 1988 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Thinning Pole-sized Lodgepole Pine on Understory Vegetation and Large Herbivore Activity in Central Colorado by : Glenn LeRoy Crouch
Download or read book Effects of Thinning Pole-sized Lodgepole Pine on Understory Vegetation and Large Herbivore Activity in Central Colorado written by Glenn LeRoy Crouch and published by . This book was released on 1986 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ten-year Growth Response of 70-year-old Lodgepole Pine to Fertilization in Alberta by : Richard C. Yang
Download or read book Ten-year Growth Response of 70-year-old Lodgepole Pine to Fertilization in Alberta written by Richard C. Yang and published by . This book was released on 1985 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 The Effects of Precommercial Thinning on the Growth and Yield of Lodgepole Pine by :
Download or read book The Effects of Precommercial Thinning on the Growth and Yield of Lodgepole Pine written by and published by . This book was released on 2011 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pre-commercial Thinning and Repeated Fertilization of Young Lodgepole Pine Stands by : Pontus Maurits Fredrik Lindgren
Download or read book Pre-commercial Thinning and Repeated Fertilization of Young Lodgepole Pine Stands written by Pontus Maurits Fredrik Lindgren and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ranking Thinning Potential of Lodgepole Pine Stands by : Dennis M. Cole
Download or read book Ranking Thinning Potential of Lodgepole Pine Stands written by Dennis M. Cole and published by . This book was released on 1987 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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