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Forests Of Southeast And South Central Alaska 2004 2008

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Forests Of Southeast And South Central Alaska 2004 2008

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Author : Tara M. Barrett
language : en
Publisher:
Release Date : 2011

Forests Of Southeast And South Central Alaska 2004 2008 written by Tara M. Barrett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Forest surveys categories.

This report highlights key findings from the most recent (2004-2008) data collected by the Forest Inventory and Analysis program across all ownerships in southeast and south-central Alaska. We present basic resource information such as forest area, ownership, volume, biomass, carbon sequestration, growth, and mortality; structure and function topics such as vegetation and lichen diversity and forest age distribution; disturbance topics such as insects and diseases, yellow-cedar decline, fire, and invasive plants; and information about the forest products industry in Alaska, the potential of young growth for timber supply, biofuels, and nontimber forest products. The appendixes describe inventory methods and design in detail and provide summary tables of data and statistical error for the forest characteristics sampled.

Forest Of Southeast And Sout Central Alaska 2004 2008

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Author : Tara M. Christensen
language : en
Publisher:
Release Date : 2011

Forest Of Southeast And Sout Central Alaska 2004 2008 written by Tara M. Christensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

South Central Alaska Forests

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Author : Sally J. Campbell
language : en
Publisher:
Release Date : 2005

South Central Alaska Forests written by Sally J. Campbell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Forest surveys categories.

This publication presents highlights of a recent south-central Alaska inventory conducted by the Pacific Northwest Research Station Forest Inventory and Analysis Program (USDA Forest Service). South-central Alaska has about 18.5 million acres, of which one-fifth (4 million acres) is forested. Species diversity is greatest in closed and open Sitka spruce forests, spruce woodlands, closed tall alder shrub type, and low shrub willow type. Of the forest land, 1.9 million acres are classified as timberland (unreserved productive forest land). About 1.3 million acres of forest land are reserved from harvest; these reserved forest acres are primarily on the Kenai National Wildlife Refuge, national parks, and the Chugach National Forest. The volume of timber on timberland was estimated at 5,087 million cubic feet; the plurality of volume44 percentis on state and local government lands with the remaining volume primarily on private lands (28 percent) and national forests (23 percent). Fifty-seven percent of timberland acres and 93 percent of the growing-stock volume is in sawtimber stands, with Sitka spruce forest type predominating. Most timberland in south-central Alaska is of relatively low productivity, producing less than 50 cubic feet per acre per year. For timberland acres on state and private lands, average annual mortality and harvest exceeded average annual growth.

Introduction To Forestry And Natural Resources

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Author : Donald L. Grebner
language : en
Publisher: Academic Press
Release Date : 2021-01-19

Introduction To Forestry And Natural Resources written by Donald L. Grebner and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-19 with Technology & Engineering categories.

Introduction to Forestry and Natural Resources, Second Edition, presents a broad, completely updated overview of the profession of forestry. The book details several key fields within forestry, including forest management, economics, policy, utilization and forestry careers. Chapters deal specifically with forest regions of the world, landowners, forest products, wildlife habitats, tree anatomy and physiology, and forest disturbances and health. These topics are ideal for undergraduate introductory courses and include numerous examples and questions for students to ponder. There is also a section dedicated to forestry careers. Unlike other introductory forestry texts, which focus largely on forest ecology rather than practical forestry concepts, this book encompasses the economic, ecological and social aspects, thus providing a uniquely balanced text. The wide range of experience of the contributing authors equips them especially well to identify missing content from other texts in the area and address topics currently covered in corresponding college courses. Covers the application of forestry and natural resources around the world with a focus on practical applications and graphical examples Describes basic techniques for measuring and evaluating forest resources and natural resources, including fundamental terminology and concepts Includes management policies and their influence at the local, national and international levels

Coastal Alaska S Forest Resources 2004 2013

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Author : Tom Thompson
language : en
Publisher:
Release Date : 2020

Coastal Alaska S Forest Resources 2004 2013 written by Tom Thompson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Forest biodiversity categories.

This report highlights key findings from the most recent 10-year survey of Forest Inventory and Analysis (FIA) data collected across southeast and south-central Alaska and represents the first full remeasurement of all forest plots in the coastal Alaska inventory unit. Estimates of forest area, stand age, volume, aboveground biomass, and carbon are provided across ownerships, forest types, and species throughout the region. Of the 54 million ac in the inventory unit, approximately 15 million ac (28 percent) were considered forest land, most of which is managed by Tongass National Forest in southeast Alaska. Western hemlock (Tsuga heterophylla), mountain hemlock (T. mertensiana), Alaska yellow-cedar (Callitropsis nootkatensis), and Sitka spruce (Picea sitchensis) forest types dominate the region, together accounting for 75 percent of total forest area and 86 percent of total aboveground biomass. Understory vegetation was dominated by oval leaf blueberry, rusty menziesia, and bunchberry dogwood, while nonforest areas were dominated by tall and dwarf shrub community types characterized by Sitka alder (Alnus viridis ssp. sinuata), salmonberry (Rubus spectabilis), and sweet gale (Myrica gale). Over the 10-year remeasurement cycle (1995-2003 to 2004-2013), net change in forest volume was mostly positive, with the exception of privately owned lands, where timber removals exceeded growth. Among softwood species, only lodgepole pine (Pinus contorta) (also known as shore pine) displayed a net loss in biomass, while mountain hemlock, Sitka spruce, western redcedar (Thuja plicata), and all hardwood species exhibited a net increase in biomass. Mortality rate was highest for white spruce (P. glauca), likely driven by a large spruce bark beetle outbreak in the late 1990s. However, white spruce also experienced a higher growth rate than other softwood species, perhaps reflecting a growth release among survivors of the beetle attack. This report serves as an updated version to the forest attribute data summarized by Barrett and Christensen (2011) and provides important insight into forest resources for land managers, industry, and researchers.