ARNEWS Annual Report, 1990 PDF Download
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Author: Canada. Forestry Canada. Science and Sustainable Development Directorate
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 17
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Book Description
Author: Canada. Forestry Canada. Science and Sustainable Development Directorate
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 17
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Book Description
Author: Canada. Forestry Canada. Science and Sustainable Development Directorate
Publisher:
ISBN:
Category : Forest health
Languages : en
Pages : 52
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Book Description
Author: J. Peter Hall
Publisher:
ISBN: 9780662586791
Category :
Languages : en
Pages : 17
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 518
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Book Description
Author: Canadian Forest Service. Science Branch
Publisher:
ISBN:
Category : Forest health
Languages : fr
Pages : 60
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Book Description
Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1688
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Book Description
Author: Canadian Forest Service. Science and Sustainable Development Directorate
Publisher:
ISBN:
Category : Forest health
Languages : fr
Pages : 76
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Book Description
Author: G. Bruce Wiersma
Publisher: CRC Press
ISBN: 0203495470
Category : Nature
Languages : en
Pages : 792
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Book Description
The current rate and scale of environmental change around the world makes the detection and understanding of these changes increasingly urgent. Subsequently, government legislation is focusing on measurable results of environmental programs, requiring researchers to employ effective and efficient methods for acquiring high-quality data. Envi
Author:
Publisher:
ISBN:
Category : Canada
Languages : fr
Pages : 530
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Book Description
Author:
Publisher:
ISBN:
Category : Forest canopies
Languages : en
Pages : 92
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Book Description
The Forest Inventory and Analysis (FIA) Program of the Forest Service, U.S. Department of Agriculture, conducts a national inventory of forests across the United States. A systematic subset of permanent inventory plots in 38 States is currently sampled every year for numerous forest health indicators. One of these indicators, crown-condition classification, is designed to estimate tree crown dimensions and assess the impact of crown stressors. The indicator features eight tree-level field measurements in addition to variables traditionally measured in conjunction with FIA inventories: vigor class, uncompacted live crown ratio, crown light exposure, crown position, crown density, crown dieback, foliage transparency, and crown diameter. Indicators of crown health derived from the crown data are intended for analyses at the State, regional, and national levels, and contribute to the core tabular output in standard FIA reports. Crown-condition measurements were originally implemented as part of the Forest Health Monitoring (FHM) Program in 1990. Except for crown diameter, these measurements were continued when the FIA Program assumed responsibility for FHM plot-based detection monitoring in 2000. This report describes in detail the data collection and analytical techniques recommended for crown-condition classification.
