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3,827 Full-Text Articles 3,473 Authors 760,396 Downloads 125 Institutions

Popular Articles

Based on downloads in March 2023

Nepal Studies Association Bulletin, Nos. 12-13, Nepal Studies Association, Donald A. Messerschmidt Case Western Reserve University

Nepal Studies Association Bulletin, Nos. 12-13, Nepal Studies Association, Donald A. Messerschmidt

Nepal Studies Association Newsletter

No abstract provided.

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Basic Concepts In Forest Valuation And Investment Analysis: Edition 3.0, Steven H. Bullard, Thomas J. Straka Stephen F. Austin State University, Arthur Temple College of Forestry and Agriculture

Basic Concepts In Forest Valuation And Investment Analysis: Edition 3.0, Steven H. Bullard, Thomas J. Straka

Faculty Publications

This book was originally intended to supplement lectures in forestry economics at the undergraduate level. It’s currently used for that purpose in ‘Forest Resource Economics’ courses at several universities. The book is also intended, however, to serve as a basic reference for foresters with experience in valuation and investment analysis concepts and methods. It has proven to be a valuable resource in forest valuation and investment analysis workshops for practicing foresters, landowners, and others interested in forestry investments.

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Forest Stand Dynamics, Update Edition, Chadwick Dearing Oliver, Bruce A. Larson Yale University

Forest Stand Dynamics, Update Edition, Chadwick Dearing Oliver, Bruce A. Larson

Yale School of the Environment Other Publications

This book describes the various growth patterns of forests from a mechanistic point of view. Its purpose is to help silviculturists, forest managers, and ecologists understand and anticipate how forests grow and respond to intentional manipulations and natural disturbances. Demands on the forest have been increasing for timber production, wildlife habitat, water protection, recreation, and protection from fires, insects, and diseases. These demands have created an emphasis on prescribing site-specific treatments for individual stands of trees, rather than treating broad areas uniformly

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The Transportation Of Logs On Sleds, Alexander Michael Koroleff, Ralph C. Bryant Yale University

The Transportation Of Logs On Sleds, Alexander Michael Koroleff, Ralph C. Bryant

Yale School of the Environment Bulletin Series

Heavy sleds, designed to transport timber from the forest to water courses down which it is floated or to haul it to mill or market, have been perfected chiefly in the United States and Canada. The importance of this method is indicated by the fact that it is used in transporting approximately 90 per cent of the annual log input of New England and New York, 80 per cent of that of the Lake States, and 100 per cent of that of Alaska and of Canada, exclusive of British Columbia.

The credit for the development of sled-hauling methods in the …

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Ammonium Nitrate Blasting Agent (Anfo) For Land Clearing, G A. Greaves Department of Primary Industries and Regional Development, Western Australia

Ammonium Nitrate Blasting Agent (Anfo) For Land Clearing, G A. Greaves

Journal of the Department of Agriculture, Western Australia, Series 4

The introduction of "prilled" AN has revolutionised explosives practice and made possible safer and cheaper methods of blasting.

This article outlines the methods of handling and using ANFO blasting agent for land clearing.

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Accuracy Assessment On Drone Measured Heights At Different Height Levels, David L. Kulhavy, I-Kuai Hung, Daniel Unger, Yanli Zhang Stephen F. Austin State University

Accuracy Assessment On Drone Measured Heights At Different Height Levels, David L. Kulhavy, I-Kuai Hung, Daniel Unger, Yanli Zhang

Symposium on Arts and Research

The advancement in unmanned aerial system (UAS) technology has made it possible to attain an aerial unit, commonly known as a drone, at an affordable price with increasing precision and accuracy in positioning and photographing. While aerial photography is the most common use of a drone, many of the models available in the market are also capable of measuring height, the height of the drone above ground, or the altitude above the mean sea level. On board a drone, a barometer is used to control the flight height by detecting the atmospheric pressure change; while a GPS receiver is mainly …

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The Study Of Tree Biomass Calculation By Comparing Partial Harvest Method With The Allometric Equations Method, Kanlayarat Jantawong, Titinan Pothong Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand.

The Study Of Tree Biomass Calculation By Comparing Partial Harvest Method With The Allometric Equations Method, Kanlayarat Jantawong, Titinan Pothong

Journal of Bioresource Management

This study aimed to investigate the effective of partial harvest method used for tree biomass estimation. Such method was analyzed for the correlation in compare with invented allometric equations. The advantages and disadvantages of those methods were discussed. The significantly difference between estimation methods were analyzed. As a result, tree biomass calculated by the Brown’s allometric equation produced highest results, followed by the partial harvest method, Tsutsumi’s, Chave’s and Pothong’s equations respectively. The selected allometric equations showed the positive correlation with partial harvest method. The highest positive correlation was found between the partial harvest method and both equation of Chave …

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Forest Development In North America Following Major Disturbances, Utah State University

Forest Development In North America Following Major Disturbances

The Bark Beetles, Fuels, and Fire Bibliography

Large-scale, man-created or natural disturbances play a mjaor role in determining forest structure and species composition in many areas of North America and probably other temperate and tropical forests. Trees begin growth by a variety of mechanisms — each of which can respond to disturbances of a different severity. Studies suggest: a single group of species is not predestined to inhabit an area; forest physiognomic appearances assumed to imply all-aged succession often occur in single-age class stands; and recruitment of new stems into a forest often follows a disturbance rather than being a constant occurrence. After disturbances, forests develop through …

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Using Deep Learning With Satellite Imagery To Estimate Deforestation Rates, Maeve Naughton-Rockwell William & Mary

Using Deep Learning With Satellite Imagery To Estimate Deforestation Rates, Maeve Naughton-Rockwell

Undergraduate Honors Theses

Previous studies have used Convolutional Neural Networks for regional detection of deforestation breaks. However, there is limited research into the capability of deep neural networks to identify sudden shifts in global forest cover from satellite imagery. Additionally, many deforestation detection models are trained on region specific data and need manual input thresholds. In this work, we develop a deep learning model to predict the percent of deforestation in a region between two points in time, trained on globally sourced data. Using the before and after satellite images of a deforestation event as inputs, we implemented a two input Convolutional Neural …

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The Politics Of Biomass Energy In California: How External Benefits Are Used To Support An Economically Marginal Sector, Dana L. Dysthe Humboldt State University

The Politics Of Biomass Energy In California: How External Benefits Are Used To Support An Economically Marginal Sector, Dana L. Dysthe

Cal Poly Humboldt theses and projects

Since the 1990s, there has been a decline in biomass energy generation in California. In order to promote state governmental policies aiming to increase biomass energy generation in California, the sector has been linked to a series of external benefits that biomass energy purportedly brings. Through document analysis, semi-structured interviews, and participant observation, five distinct external benefits were identified that have been used to promote the biomass energy sector. These external benefits are: renewable energy generation, air quality improvements, promotion of forest restoration and fuel removal projects, disposal of wood waste from agricultural and forestry sectors, and rural economic development. …

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Analysis And Installation Of A Demonstration Agroforestry Orchard For Californian Mediterranean Plant Communities, Brandon Hurd 2023 California Polytechnic State University, San Luis Obispo

Analysis And Installation Of A Demonstration Agroforestry Orchard For Californian Mediterranean Plant Communities, Brandon Hurd

Master of Science in Environmental Sciences and Management Projects

Climate-appropriate agroforestry can provide low-input food security and ecosystem services for local Californian Mediterranean climates, while conserving natural resources (e.g., water, nitrogen, etc.). This project showcases a variety of agroforestry methods for five common plant communities of California and other analogous Mediterranean climates at the CAFES Experimental Farm on the campus of Cal Poly San Luis Obispo. Plant community species and their ethnobotanical uses were analyzed to mimic and incorporate aspects of native flora. Agricultural plants were also characterized to represent each of the five selected plant communities. GIS was used to assess the project site for soil, slope, and …

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Smokejumper Obituary: Tucker, William Dinwiddie “Bill” (Missoula 1950), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Tucker, William Dinwiddie “Bill” (Missoula 1950), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Kloepfer, James Ramon "Jim" (Redding 1957), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Kloepfer, James Ramon "Jim" (Redding 1957), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Klein, Buster Victor (Redding 1969), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Klein, Buster Victor (Redding 1969), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: King, Thomas Patrick (North Cascades 1979), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: King, Thomas Patrick (North Cascades 1979), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Johnson, Duane William (Redding 1967), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Johnson, Duane William (Redding 1967), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Jaderlund, Loren Dale (North Cascades 1958), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Jaderlund, Loren Dale (North Cascades 1958), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Johnson, Dean Bruce (Redmond 1974), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Johnson, Dean Bruce (Redmond 1974), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Arnett, Edward M. (Missoula 1945), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Arnett, Edward M. (Missoula 1945), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Flake, Harold William (Idaho City 1961), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Flake, Harold William (Idaho City 1961), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Macpherson, Cole L. (Missoula 1955), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Macpherson, Cole L. (Missoula 1955), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Harris, Gordon Leon (Idaho City 1969), National Smokejumper Association 2023 Eastern Washington University

Smokejumper Obituary: Harris, Gordon Leon (Idaho City 1969), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Linking Soil Properties To Originally Wooded And Afforested Areas, Ashton A. Crowe, Matthew Laun 2023 Murray State University

Linking Soil Properties To Originally Wooded And Afforested Areas, Ashton A. Crowe, Matthew Laun

Posters-at-the-Capitol

Linking Soil Properties to Originally Wooded and Afforested Areas

Matthew Laun, Ashton Crowe

Mentor: I. P. Handayani

Hutson School of Agriculture Murray State University, KY, USA

Abstract

Afforestation, adding an artificial forest to a piece of land that has been barren of trees for a significant amount of time, has some seriously huge impacts on the environment. These effects can be seen as an increase in the soil organic matter, a decrease in compaction, and enhancement of porosity. Therefore, the soil can support more diverse microbes and fungal communities leading to better micro and macro nutrient transfers between plants. This …

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Smokejumper Magazine, January 2023, National Smokejumper Association 2023 Eastern Washington University

Smokejumper Magazine, January 2023, National Smokejumper Association

Smokejumper and Static Line Magazines

Message from the President; Daren Belsby"Good Luck on Your End of Jumping; The Docent of the Gobi and North Cascades; So, What Goes on Inside a Smokejumper Aircraft?; 1958: The Best Summer Ever Part 1: Aurora Borealis; The Concept of Managed Wildfire; Smokejumper Training Thwarts Hijacking of Pan-Am Clipper 73"Jack Ridgway Story; Mark Corbet, A Remarkable Human Being, Great Smokejumper, and Just "A Real Nice Guy!"; Odds and Ends; Feedback from the 2022 Boise Reunion; The Look; The Salmon River Devil Winds; Higgins Ridge Film Premieres in Missoula; Allen "Mouse" Owen (CJ '70) Legend; Sounding Off from the Editor; A …

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Smokejumper Obituary: Rosenkrance, Lester Kenneth “Les” (Mccall 1961), National Smokejumper Association 2022 Eastern Washington University

Smokejumper Obituary: Rosenkrance, Lester Kenneth “Les” (Mccall 1961), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Newton, Roger (Cave Junction 1951), National Smokejumper Association 2022 Eastern Washington University

Smokejumper Obituary: Newton, Roger (Cave Junction 1951), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Smokejumper Obituary: Hatch, Huntington Talbott (Missoula 1953), National Smokejumper Association 2022 Eastern Washington University

Smokejumper Obituary: Hatch, Huntington Talbott (Missoula 1953), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.

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Quantitative Silviculture Of Northern Conifers, David G. Ray 2022 University of Maine

Quantitative Silviculture Of Northern Conifers, David G. Ray

Electronic Theses and Dissertations

Quantitative tools used to guide the management of important northern conifer species require updating and refinement to address changes in the contemporary resource and evolving objectives of ownership. This work builds on an extensive body of knowledge about stand density management and innovates some new approaches. In sum, the three chapters presented herein: 1) seek to strengthen and more fully articulate arguments for adopting relative density as a primary metric of stand density assessment, 2) quantify minimum stand densities to achieve full site occupancy and argue for more parity with treatment of maximum stand density, and 3) present an empirically …

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Form And Risk Class Distribution And Its Effect On Estimated Product Ratios In Commercial Species Commonly Found In Northeastern Forests And A Comparative Analysis Of Contrasting Field Inventory Methodologies, Ryan Smith 2022 University of Maine

Form And Risk Class Distribution And Its Effect On Estimated Product Ratios In Commercial Species Commonly Found In Northeastern Forests And A Comparative Analysis Of Contrasting Field Inventory Methodologies, Ryan Smith

Electronic Theses and Dissertations

Estimating product ratios in hardwood forests is difficult due to the highly complex stem forms and diverse growth and regeneration strategies found in hardwood species. This is of particular concern for landowners with large ownerships requiring robust product potential estimates as part of both short-term tactical harvest planning and long-term growth and yield projections. Hardwood-dominated forests are generally managed for high-value sawlog and veneer products. This makes it increasingly important to identify strategies for improving hardwood management to meet economic (maximizing sawlog recovery) and ecological (maintaining healthy and diverse forests) goals.

This study seeks to achieve two primary goals. The …

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Mapping Forest Structure In Mississippi Using Lidar Remote Sensing, Nitant Rai 2022 Mississippi State University

Mapping Forest Structure In Mississippi Using Lidar Remote Sensing, Nitant Rai

Theses and Dissertations

This study aimed at evaluating the agreement of spaceborne Light Detection and Ranging (lidar) ICESat-2 canopy height with Airborne Laser Scanning (ALS) derived canopy height to inform about the performance of ICESat-2 canopy height metrics and understand its uncertainties and utilities. The agreement was assessed for different forest types, physiographic regions, a range of percent canopy cover, and diverse disturbance histories. Results of this study suggest that best agreements are found using strong beam data collected at night for canopy height retrieval using ICESat-2. The ICESat-2 showed great potential for estimating canopy heights, particularly in evergreen forests with high canopy …

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Popular Institutions

Based on downloads in March 2023

Colby College

Claremont Colleges

University of Arkansas, Fayetteville

SIT Graduate Institute/SIT Study Abroad

University of Nebraska - Lincoln

California Polytechnic State University, San Luis Obispo

Utah State University

Portland State University

James Madison University

Featured Publications

Popular Authors

Based on downloads in March 2023

Steven Bullard Stephen F. Austin State University, Arthur Temple College of Forestry and Agriculture

Thomas Straka Clemson University

Gerard Hertel West Chester University

Yanli Zhang Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

Perry Brown University of Montana - Missoula

I-Kuai Hung Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

I-Kuai Hung Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

David Kulhavy Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

David Kulhavy Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

Kanlayarat Jantawong Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand.

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