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Identifying and Modelling the Spatial Distribution Dynamics of Regenerating Lodgepole Pine

Identifying and Modelling the Spatial Distribution Dynamics of Regenerating Lodgepole Pine
Author: Gordon Donald Nigh
Publisher:
Total Pages: 52
Release: 1997
Genre: Forest regeneration
ISBN:

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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.


Bibliography of Agriculture

Bibliography of Agriculture
Author:
Publisher:
Total Pages: 1230
Release: 1975
Genre: Agriculture
ISBN:

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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 Babine Moist Cold Variants

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
Author: Gordon Donald Nigh
Publisher: Canadian Forest Service
Total Pages: 40
Release: 1996
Genre: Technology & Engineering
ISBN:

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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.


Bibliography of Agriculture

Bibliography of Agriculture
Author:
Publisher:
Total Pages: 1744
Release: 1992
Genre: Agriculture
ISBN:

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Masters Theses in the Pure and Applied Sciences

Masters Theses in the Pure and Applied Sciences
Author: Wade H. Shafer
Publisher: Springer Science & Business Media
Total Pages: 391
Release: 2012-12-06
Genre: Science
ISBN: 1461524539

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Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the though that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemi nation. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 37 (thesis year 1992) a total of 12,549 thesis titles from 25 Canadian and 153 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 37 reports theses submitted in 1992, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.


Ecology Abstracts

Ecology Abstracts
Author:
Publisher:
Total Pages: 738
Release: 1998
Genre: Ecology
ISBN:

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Coverage: 1982- current; updated: monthly. This database covers current ecology research across a wide range of disciplines, reflecting recent advances in light of growing evidence regarding global environmental change and destruction. Major ares of subject coverage include: Algae/lichens, Animals, Annelids, Aquatic ecosystems, Arachnids, Arid zones, Birds, Brackish water, Bryophytes/pteridophytes, Coastal ecosystems, Conifers, Conservation, Control, Crustaceans, Ecosyst em studies, Fungi, Grasses, Grasslands, High altitude environments, Human ecology, Insects, Legumes, Mammals, Management, Microorganisms, Molluscs, Nematodes, Paleo-ecology, Plants, Pollution studies, Reptiles, River basins, Soil, TAiga/tundra, Terrestrial ecosystems, Vertebrates, Wetlands, Woodlands.


Agrindex

Agrindex
Author:
Publisher:
Total Pages: 822
Release: 1995
Genre: Agriculture
ISBN:

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