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Author : Anonim
Publisher : Unknown
Page : 218 pages
File Size : 50,6 Mb
Release : 1992
Category : Old growth forests
ISBN : UVA:X002183219
Author : Merrill R. Kaufmann,United States / Forest Service / Southwestern Region,William H. Moir,Richard L. Bassett,Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Publisher : Unknown
Page : 201 pages
File Size : 50,8 Mb
Release : 1992
Category : Old growth forests
ISBN : OCLC:270735248
Author : Anonim
Publisher : Unknown
Page : 210 pages
File Size : 45,8 Mb
Release : 1992
Category : Old growth forests
ISBN : SRLF:D0007390560
Author : John Vankat
Publisher : Springer Science & Business Media
Page : 465 pages
File Size : 43,9 Mb
Release : 2013-05-27
Category : Science
ISBN : 9789400761490
The book provides information essential for anyone interested in the ecology of the American Southwest, including land managers, environmental planners, conservationists, ecologists and students. It is unique in its coverage of the hows and whys of dynamics (changes) in the major types of vegetation occurring on southwestern mountains and plateaus. It explains the drivers and processes of change, describes historical changes and provides conceptual models that diagrammatically illustrate past, present, and potential future changes. All major types of vegetation are covered: spruce-fir, mixed conifer, and ponderosa pine forests, pinyon-juniper vegetation, subalpine-montane grassland, and Gambel oak and interior chaparral shrublands. The focus is on vegetation that is relatively undisturbed, i.e., in natural and near-natural condition, and how it responds to natural disturbances such as fire and drought, as well as to anthropogenic disturbances such as fire exclusion and invasive species
Author : Anonim
Publisher : Unknown
Page : 520 pages
File Size : 55,9 Mb
Release : 1996
Category : Electronic
ISBN : NWU:35556030836134
Author : Anonim
Publisher : Unknown
Page : 220 pages
File Size : 46,7 Mb
Release : 1992
Category : Forests and forestry
ISBN : UOM:39015025092365
Author : Gregory Dale Hayward
Publisher : Unknown
Page : 236 pages
File Size : 46,7 Mb
Release : 1994
Category : Aegolius funereus
ISBN : MINN:31951D03001048Y
Author : Anonim
Publisher : Unknown
Page : 432 pages
File Size : 55,8 Mb
Release : 1998
Category : Forests and forestry
ISBN : CORNELL:31924084855745
Author : Cynthia J. Zabel,Robert G. Anthony
Publisher : Cambridge University Press
Page : 740 pages
File Size : 41,7 Mb
Release : 2003-09-18
Category : Nature
ISBN : 0521008654
Table of contents
Author : Anonim
Publisher : Unknown
Page : 96 pages
File Size : 48,9 Mb
Release : 1998
Category : Ecosystem management
ISBN : MINN:31951D02977855M
We present the history of land use and historic vegetation conditions on the Sacramento Ranger District of the Lincoln National Forest within the framework of an ecosystem needs assessment. We reconstruct forest vegetation conditions and ecosystem processes for the period immediately before Anglo-American settlement using General Land Office survey records, historic studies and accounts, and reconstructive studies such as dendrochronological histories of fire and insect outbreak and studies of old growth. Intensive grazing, clearcut logging, fire suppression, and agriculture in riparian areas have radically altered forest structure and processes since the 1880s, when intensive settlement began in the Sacramento Mountains. Present forests are younger and more dense than historic ones, and in areas that were previously dominated by ponderosa pine, dominance has shifted to Douglas-fir and white fir in the absence of frequent surface fire. Landscapes are more homogeneous and contiguous than historic ones, facilitating large-scale, intense disturbances such as insect outbreaks and crown fires.
Author : Anonim
Publisher : Unknown
Page : 436 pages
File Size : 44,5 Mb
Release : 1999
Category : Forest conservation
ISBN : UOM:39015061383223
Author : Robert C. Szaro,David W. Johnston
Publisher : Oxford University Press, USA
Page : 812 pages
File Size : 43,8 Mb
Release : 1996
Category : Nature
ISBN : 0195079582
The conservation of biodiversity has profound implications for managing natural resources with the need for scientific information as a foundation for management decisions increasing dramatically. The_ intent of this book is to look beyond the theory of biodiversity to_ the principles, practices, and policies needed for its conservation. Its objectives are to provide the scientific basis for understanding biodiversity, document case examples of theory and concepts applied at differing scales, and examine policies that affect its conservation.
Author : J. M. Schmid
Publisher : Unknown
Page : 24 pages
File Size : 53,8 Mb
Release : 1996
Category : Bark beetles
ISBN : STANFORD:36105017772810
Author : Carolyn Hull Sieg
Publisher : Unknown
Page : 56 pages
File Size : 40,8 Mb
Release : 1996
Category : White-tailed deer
ISBN : MINN:31951D029603852
Author : Anonim
Publisher : Unknown
Page : 608 pages
File Size : 49,5 Mb
Release : 1998
Category : Forests and forestry
ISBN : UOM:39015053958990