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Crown Condition Classification

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Crown Condition Classification

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Author :
language : en
Publisher:
Release Date : 2007

Crown Condition Classification written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Forest canopies categories.

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.

General Technical Report Se

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Author :
language : en
Publisher:
Release Date : 1987

General Technical Report Se written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Forests and forestry categories.

Proceedings

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Author : Katherine A. McManus
language : en
Publisher:
Release Date : 2000

Proceedings written by Katherine A. McManus and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Eastern hemlock categories.

Forest Types And Condition Classes In The Lake States

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Author :
language : en
Publisher:
Release Date : 1948

Forest Types And Condition Classes In The Lake States written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Forests and forestry categories.

Field Instructions For The Annual Inventory Of Washington Oregon And California 2004

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Author :
language : en
Publisher:
Release Date : 2004

Field Instructions For The Annual Inventory Of Washington Oregon And California 2004 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Forest plants categories.

Descriptive Statistics Of Tree Crown Condition In The Southern United States And Impacts On Data Analysis And Interpretation

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Author : KaDonna C. Randolph
language : en
Publisher:
Release Date : 2006

Descriptive Statistics Of Tree Crown Condition In The Southern United States And Impacts On Data Analysis And Interpretation written by KaDonna C. Randolph and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Forest canopies categories.

The U.S. Department of Agriculture Forest Service, Forest Inventory and Analysis Program (FIA) utilizes visual assessments of tree crown condition to monitor changes and trends in forest health. This report describes and discusses distributions of three FIA crown condition indicators (crown density, crown dieback, and foliage transparency) for trees in the Southern United States. Descriptive statistics are presented for all trees combined, by hardwood and softwood species groups, and for 53 individual species. Implications of these characteristics and other factors for the analysis of the phase 3 crown condition indicators are discussed.

Forest Measurements

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Author : Joan DeYoung
language : en
Publisher:
Release Date : 2016

Forest Measurements written by Joan DeYoung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Electronic books categories.

"This is a forest measurements textbook written for field technicians. Silvicultural applications and illustrations are provided to demonstrate the relevance of the measurements. Special “technique tips” for each skill are intended to help increase data collection accuracy and confidence. These include how to avoid common pitfalls, effective short cuts, and essentials for recording field data correctly. The emphasis is on elementary skills; it is not intended to be a timber cruising guide"--BC Campus website.