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Author : Heather E. Wray,Suzanne E. Bayley
Publisher : Alberta Environment
Page : 79 pages
File Size : 55,7 Mb
Release : 2006-01-01
Category : Taiga ecology
ISBN : 0778567699
Author : David J. Downing,Alberta. Natural Regions Committee
Publisher : Unknown
Page : 254 pages
File Size : 42,6 Mb
Release : 2006-01-01
Category : Ecological regions
ISBN : 0778545725
This document presents the climatic, physiographic, vegetation, soil, wildlife and land use attributes that characterize each natural region and subregion. It has been organized into four parts: part one outlines national region and subregion concepts, part two describes methods used to generate climate statistics, part three presents a comparative analysis of selected climate statistics to facilitate comparison of natural regions and subregions, and part four presents detailed climatic, vegetation, soils and physiographic descriptions for six natural regions and twenty-one natural subregions currently recognized in Alberta.
Author : Darcy M. Tkachuk,Canadian Institute of Resources Law
Publisher : Calgary : Canadian Institute of Resources Law = Institut canadien du droit des ressources
Page : 58 pages
File Size : 41,8 Mb
Release : 1993
Category : Wetland conservation
ISBN : STANFORD:36105060071532
Author : Pauline Lynch-Stewart
Publisher : Unknown
Page : 132 pages
File Size : 51,5 Mb
Release : 1983
Category : Land use
ISBN : MINN:319510002251159
"The study of wetlands from a land use change perspective has been selected as the second component of the Prime Resource Lands Project, Canada Land Use Monitoring Program. This report examines the existing information on wetland conversion, to serve as a basis for the design and focus of a national land use monitoring project"--Abstract.
Author : Canada Committee on Ecological (Biophysical) Land Classification. National Wetlands Working Group
Publisher : Unknown
Page : 478 pages
File Size : 42,7 Mb
Release : 1988
Category : Nature
ISBN : UOM:39015039060739
Covers the influencing factors, distribution, evolution, classification, regionalization and methodologies for study of the wetlands of Canada. Specific chapters are devoted to the arctic, subarctic, boreal, prairies, eastern temperate, Atlantic and Pacific regions as well as the salt marshes of Canada.
Author : John David Beckingham,J. H. Archibald,Northern Forestry Centre (Canada)
Publisher : Canadian Forest Service
Page : 542 pages
File Size : 43,5 Mb
Release : 1996
Category : Nature
ISBN : MINN:31951D009118611
An ecological classification system was developed for Northern Alberta through the analysis of vegetation, soil, site, and forest productivity information. The hierarchical classification system has three levels - ecosite, ecosite phase and plant community type. Thirty-eight ecosites are described with further detail provided by subdivision into ecosite and ecosite phase and plant community type. A soil type classification system that describes 17 soil types was also developed. Management interpretations were made for drought, excess moisture, soil rutting hazard, soil compaction hazard, puddling hazard, soil erosion hazard, frost heave hazard, soil temperature limitations, vegetation competition, and windthrow hazard. Colour photos and drawings for 87 common plants of northern Alberta are presented.
Author : Graham MacDonald
Publisher : Athabasca University Press
Page : 265 pages
File Size : 53,5 Mb
Release : 2009
Category : Biography & Autobiography
ISBN : 9781897425374
This book explores a relatively small, but interesting and anomalous, region of Alberta between the North Saskatchewan and the Battle Rivers. Ecological themes, such as climatic cycles, ground water availability, vegetation succession and the response of wildlife, and the impact of fires, shape the possibilities and provide the challenges to those who have called the region home or used its varied resources: Indians, Metis, and European immigrants.
Author : Anonim
Publisher : Unknown
Page : 92 pages
File Size : 46,6 Mb
Release : 1997
Category : Biogeography
ISBN : UTEXAS:059173015250538
This volume represents a first attempt at holistically classifying and mapping ecological regions across all three countries of the North American continent. A common analytical methodology is used to examine North American ecology at multiple scales, from large continental ecosystems to subdivisions of these that correlate more detailed physical and biological settings with human activities on two levels of successively smaller units. The volume begins with an overview of North America from an ecological perspective, concepts of ecological regionalization. This is followed by descriptions of the 15 broad ecological regions, including information on physical and biological setting and human activities. The final section presents case studies in applications of the ecological characterization methodology to environmental issues. The appendix includes a list of common and scientific names of selected species characteristic of the ecological regions.
Author : M. S. McLaughlan,Robert Alexander Wright,R. D. Jiricka
Publisher : Unknown
Page : 338 pages
File Size : 44,5 Mb
Release : 2010-01-01
Category : Forest ecology
ISBN : 1926841182
"The forest ecosystems of Saskatchewan are represented at the site level with 81 ecosites that span Saskatchewan's four ecozones: Taiga Shield, Boreal Shield, Boreal Plain and Prairie. Field sampling provided the raw data upon which the ecosite classification was built. Nearly 1700 semi-permanent relevés were established in 69 of the province's 80 forested ecodistricts. Each relevé provided information about the cover-abundance and growth form of each plant encountered, forest mensuration data, and soil and site characteristics. The ecosite classification provides summaries of the site attributes for each ecosite within the four ecozones; it also illustrates the relationship among the ecosites, within an ecozone, through a two-way matrix of moisture and species richness values. This ecosystem classification facilitates better integration of forest management disciplines by providing a common ecosystem language that forms an explicit operational framework for resource managers. Brief descriptions and ecological interpretations are also provided for each ecosite and usually include significant features and/or a statement about the possible successional trajectory for the ecosite in the absence and presence of disturbance."--Document.
Author : Patricia Mitchell,Ellie E. Prepas
Publisher : University of Alberta
Page : 704 pages
File Size : 54,7 Mb
Release : 1990
Category : Reference
ISBN : 9780888642158
This compilation of data on 100 lakes in Alberta (outside the mountain areas) covers physical characteristics, water quality, wildlife, recreational opportunities and access for each lake, and includes maps, photographs, diagrams and statistical tables.
Author : A. S. McClay,Alberta. Alberta Sustainable Resource Development
Publisher : Alberta Public Affairs Bureau
Page : 126 pages
File Size : 55,8 Mb
Release : 2004
Category : Biodiversity conservation
ISBN : CORNELL:31924101448631
This review focusses on invasive species affecting forestry, provincial grazing land, aquatic & wetland environments, and natural ecosystems in Alberta. Based largely on examination of the literature, major invasive species are listed under the following categories: terrestrial plants; terrestrial vertebrates; terrestrial invertebrates; aquatic organisms, including fish, plants, insects, mollusks, & protozoan parasites of fish; and plant & wildlife diseases. For each species, information is included on its status, geographic distribution, habitat, and economic & ecological impact. The review also discusses pathways & sources of new introductions and potential threats of new introductions in each species category. The final chapter presents an overall evaluation of invasive species & their impacts, pathways, and future risks. It also notes knowledge gaps.
Author : Aaron M. Ellison,Frank S. Gilliam
Publisher : MDPI
Page : 274 pages
File Size : 45,8 Mb
Release : 2019-07-30
Category : Science
ISBN : 9783039213092
This book is a printed edition of the Special Issue Causes and Consequences of Species Diversity in Forest Ecosystems that was published in Forests
Author : National Research Council,Board on Agriculture,Committee on Rangeland Classification
Publisher : National Academies Press
Page : 201 pages
File Size : 52,8 Mb
Release : 1994-02-01
Category : Technology & Engineering
ISBN : 9780309048798
Rangelands comprise between 40 and 50 percent of all U.S. land and serve the nation both as productive areas for wildlife, recreational use, and livestock grazing and as watersheds. The health and management of rangelands have been matters for scientific inquiry and public debate since the 1880s, when reports of widespread range degradation and livestock losses led to the first attempts to inventory and classify rangelands. Scientists are now questioning the utility of current methods of rangeland classification and inventory, as well as the data available to determine whether rangelands are being degraded. These experts, who are using the same methods and data, have come to different conclusions. This book examines the scientific basis of methods used by federal agencies to inventory, classify, and monitor rangelands; it assesses the success of these methods; and it recommends improvements. The book's findings and recommendations are of interest to the public; scientists; ranchers; and local, state, and federal policymakers.
Author : Ecological Stratification Working Group (Canada),Center for Land and Biological Resources Research (Canada),Canada. State of the Environment Directorate
Publisher : Centre for Land and Biological Resources Research ; Hull, Quebec : State of the Environment Directorate
Page : 140 pages
File Size : 46,7 Mb
Release : 1996
Category : Biotic communities
ISBN : UIUC:30112110789739
[An] expanded attribute database [that] includes attribute data for the ecoprovince level of generalization.
Author : Marilyn Neville,Alberta. Alberta Environment,Alberta. Alberta Sustainable Resource Development
Publisher : Alberta Environment
Page : 133 pages
File Size : 52,6 Mb
Release : 2003-01-01
Category : Grasslands
ISBN : 0778529983
