Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Bambin Moist Cold Variants
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Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Bambin Moist Cold Variants
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Author : Gordon D. Nigh
language : en
Publisher:
Release Date : 1996
Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Bambin Moist Cold Variants written by Gordon D. Nigh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Babine Moist Cold Variants
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Author : Gordon Donald Nigh
language : en
Publisher: Canadian Forest Service
Release Date : 1996
Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Babine Moist Cold Variants written by Gordon Donald Nigh and has been published by Canadian Forest Service this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Technology & Engineering categories.
Describes a study that identified and modelled the spatial pattern of trees in lodgepole pine sites in two biogeoclimatic variants in British Columbia. The K(t) statistic was used to detect the patterns and provide a basis for determining an appropriate spatial process model. Most sites had an aggregated pattern which was modelled effectively by a Poisson cluster process. An equation describing the relationship between the parameters of the Poisson cluster process model was developed. Random patterns occurring in the plots were modelled by a Poisson process and regular patterns by a Markov point process and a lattice-based process. The appendix contains the algorithm for the processes used.
Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Babine Moist Cold Variants
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Author : Gordon D. Nigh
language : en
Publisher:
Release Date : 1996
Identification And Simulation Of The Spatial Pattern Of Juvenile Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Stuart Dry Warm And Babine Moist Cold Variants written by Gordon D. Nigh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Identifying And Modelling The Spatial Distribution Dynamics Of Regenerating Lodgepole Pine
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Author : Gordon Donald Nigh
language : en
Publisher:
Release Date : 1997
Identifying And Modelling The Spatial Distribution Dynamics Of Regenerating Lodgepole Pine written by Gordon Donald Nigh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Nature categories.
This study investigated the changes in the spatial distribution of lodgepole pine stands as regeneration proceeds. Data were collected from 29 plots established in regenerating lodgepole pine stands and remeasured two years later. Nine of these plots had sufficient ingrowth to warrant an analysis of their spatial distribution dynamics. Ripley's K(t) statistic was used to identify the spatial pattern of the trees at the initial measurement, the ingrowth trees, and the combined initial and ingrowth trees. The K(t) statistic was also employed to detect correlation between the locations of the initial and the ingrowth trees. The spatial patterns were modelled by a Poisson cluster process, a Poisson process, or a Markov point process when the trees were aggregated, random, or regularly distributed, respectively.
A Site Index Model For Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Of British Columbia
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Author : Adrian Emerson Batho
language : en
Publisher:
Release Date : 2011
A Site Index Model For Lodgepole Pine In The Sub Boreal Spruce Biogeoclimatic Zone Of British Columbia written by Adrian Emerson Batho and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
An interior lodgepole pine stand level height growth and site index model is developed using stochastic differential equations and state-space approaches. Two data types, stem analysis and permanent sample plots were used. Four formulations of the Bertalanffy/Richards growth equation were evaluated using the EasySDE program. Data was partitioned based on data type, stand origin and combinations thereof. The best model was identified using maximum likelihood, and differences among data types and stand origins were evaluated for using likelihood ratio tests. A Power formulation was found to be statistically superior for all data types and origins. Combining the Stem Analysis and Permanent Sample Plot data in such a way that their respective variance structures was accommodated in parameter estimation was significantly better than the individual and origin specific runs, even though this increased the number of parameters. The resultant model was compared to the existing provincial model and differences were observed. --P. ii.
Long Term Results From Ep841
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Author : Teresa A. Newsome
language : en
Publisher:
Release Date : 2016
Long Term Results From Ep841 written by Teresa A. Newsome and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Douglas fir categories.
Height Growth Response Of Interior Spruce And Lodgepole Pine To Various Site Treatments In The Sub Boreal Spruce Biogeoclimatic Zone
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Author : Clifford Stanley Robertson
language : en
Publisher:
Release Date : 1999
Height Growth Response Of Interior Spruce And Lodgepole Pine To Various Site Treatments In The Sub Boreal Spruce Biogeoclimatic Zone written by Clifford Stanley Robertson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Use Of Site Factors To Predict Lodgepole Pine And Interior Spruce Site Index In The Sub Boreal Spruce Zone
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Author :
language : en
Publisher:
Release Date : 1994
Use Of Site Factors To Predict Lodgepole Pine And Interior Spruce Site Index In The Sub Boreal Spruce Zone written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Site index is the measure of a given tree species' productivity. Relationships between site index & ecological site quality have been the focus of recent research efforts in British Columbia that have used categorical measures of ecological site quality to explain the variation in site index of major tree species. This report describes a study that expands these efforts to lodgepole pine & interior spruce. To establish a link between ecological site quality & forest productivity in the sub-boreal spruce zone of the Prince Rupert Forest Region, site index & site data were obtained from 93 lodgepole pine stands and 77 interior spruce stands distributed across two climatic regimes, eight soil moisture regimes, and five soil nutrient regimes. These regimes were used as categorical variables to stratify the stands and in the subsequent regression analysis of the data. Six types of regression models were developed and one model, which showed strong relationships between site index & some ecological parameters, was used to draft site index isolines which were then superimposed onto edatopic grids. The results test the capability of estimates of soil moisture & soil nutrient regimes as predictors of pine & spruce site index.
Factors Influencing The Choice Between Natural Regeneration And Planting Of Lodgepole Pine In The Sub Boreal Pine Spruce Zone
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Author : Erin Victoria Moore
language : en
Publisher:
Release Date : 2000
Factors Influencing The Choice Between Natural Regeneration And Planting Of Lodgepole Pine In The Sub Boreal Pine Spruce Zone written by Erin Victoria Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Site Preparation For Establishing Lodgepole Pine On Backlog Sites In The Sub Boreal Spruce Zone
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Author : British Columbia. Forest Site Management Section
language : en
Publisher:
Release Date : 2001
Site Preparation For Establishing Lodgepole Pine On Backlog Sites In The Sub Boreal Spruce Zone written by British Columbia. Forest Site Management Section and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Forest ecology categories.