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Author : Robert W. Wilson,William Everett McQuilkin
Publisher : Unknown
Page : 36 pages
File Size : 45,9 Mb
Release : 1963
Category : White pine
ISBN : MINN:31951D02964186O
Author : Anonim
Publisher : Unknown
Page : 172 pages
File Size : 46,9 Mb
Release : 1966
Category : Pine
ISBN : UIUC:30112104067597
Author : Paul O. Rudolf
Publisher : Unknown
Page : 40 pages
File Size : 51,5 Mb
Release : 1958
Category : Jack pine
ISBN : MINN:31951D030053466
Author : Douglass F. Roy
Publisher : Unknown
Page : 28 pages
File Size : 54,9 Mb
Release : 1966
Category : Pinaceae
ISBN : MINN:31951D029647593
Author : Jerome Allan Krueger
Publisher : Unknown
Page : 314 pages
File Size : 52,7 Mb
Release : 2002
Category : Nature
ISBN : MINN:31951P00801992N
This study represents an analysis of regeneration processes for eastern white pine (Pinus strohus L.). The objective is to develop an integrated approach to evaluate the influence of factors that, alone and in combination, determine regeneration outcomes. This study is composed of three sections. The first chapter is a literature review of white pine regeneration dynamics. The purpose is to present a process for understanding the regeneration process of a single species and present a conceptual approach to integrated evaluation of influential variables. Six interrelated ecological factors (seed tree density, competition, disturbance, seedbed conditions, soils, and damage agents) were identified and their impact on the regeneration process is evaluated. A conceptual model of the integration approach and two examples of how this approach can be utilized in assessing regeneration operations are presented.
Author : William B. Leak
Publisher : Unknown
Page : 518 pages
File Size : 52,5 Mb
Release : 1970
Category : White pine
ISBN : STANFORD:36105119494875
S2The Universities of Maine, Massachusetts, and New Hampshire, in cooperation with the Northeastern Forest Experiment Station, initiated in 1959-60 a study of the effects of site and stocking on the growth of eastern white pine. The primary purposes of the study were to develop equations for: (1) predicting the volume increment per acre of pure, even-aged, white pine stands from observable characteristics of the stand, soil, and topography; and (2) predicting the increment of individual white pine trees related to characteristics of the tree, stand, and site. By 1965, measurements of stand growth and development for a 3-year period were available from nearly all field plots. A preliminary analysis revealed that one or more additional remeasurements should be taken before a final summary of the periodic growth of trees and stands is made. Nevertheless, useful and accurate relationships were developed between stand yield, or volumes per acre, and stand age, site, and stocking; and this information is presented in this paper. Yield tables based on the plot data from New Hampshire, using stand height in place of age and site index, have been published by Barrett and Allen (1966).S3.
Author : Miron L. Heinselman
Publisher : Unknown
Page : 38 pages
File Size : 40,7 Mb
Release : 1957
Category : Black spruce
ISBN : MINN:31951D030053636
Author : Harold F. Scholz
Publisher : Unknown
Page : 24 pages
File Size : 44,7 Mb
Release : 1958
Category : Lindens
ISBN : MINN:31951D030053474
Author : Brian J. Palik,Anthony W. D'Amato
Publisher : John Wiley & Sons
Page : 342 pages
File Size : 54,7 Mb
Release : 2024-01-23
Category : Nature
ISBN : 9781119890904
ECOLOGICAL SILVICULTURAL SYSTEMS Unleash the natural power and adaptability of forests with this cutting-edge guide For generations, silvicultural systems have focused largely on models whose primary objective is the production of timber, leading to drastically simplified forests with reduced ecological richness, diversity, and complexity. Ecological silviculture, by contrast, focuses on producing and maintaining forests with “all their parts”—, that is, with the diversity and flexibility to respond and adapt to global changes. Ecological silviculture seeks to emulate natural development models and sustain healthy forests serving multiple values and goals. Ecological Silvicultural Systems provides a comprehensive introduction to these approaches and their benefits tailored to diverse types of forests, designed for forest management professionals. It provides a series of exemplary models for ecological silviculture and surveys the resulting forest ecosystems. The result is a text that meets the needs of professionals in forestry and natural resource management with an eye towards sustaining healthy forest ecosystems, adapting them to climate change, protecting them from invasive species, and responding to changing market forces. Ecological Silvicultural Systems readers will also find: Detailed treatment of forest ecosystems in North America, Europe, South America, and Australia A broad field of contributors with decades of combined expertise on multiple continents Discussion of pine woodlands; temperate hardwood forests, boreal forests, temperate rainforests, and more Ecological Silvicultural Systems is a useful reference for professional foresters, wildlife habitat managers, restoration ecologists, and undergraduate and graduate students in any of these fields.
Author : Anonim
Publisher : Unknown
Page : 698 pages
File Size : 45,8 Mb
Release : 1972
Category : Agriculture
ISBN : MINN:30000010112658
Author : Anonim
Publisher : Unknown
Page : 704 pages
File Size : 54,6 Mb
Release : 1972
Category : Agriculture
ISBN : UIUC:30112019306981
Author : Eugene Irving Roe
Publisher : Unknown
Page : 30 pages
File Size : 42,7 Mb
Release : 1957
Category : Tamarack
ISBN : MINN:31951D030053385
Author : Thomas Charles Nelson
Publisher : Unknown
Page : 12 pages
File Size : 43,7 Mb
Release : 1965
Category : American holly
ISBN : MINN:31951D02964706O
Author : Richard M. Godman
Publisher : Unknown
Page : 32 pages
File Size : 45,8 Mb
Release : 1957
Category : Sugar maple
ISBN : MINN:31951D03005358Z
Author : Eugene Irving Roe
Publisher : Unknown
Page : 24 pages
File Size : 47,9 Mb
Release : 1958
Category : Poplar
ISBN : MINN:31951D03005395T
