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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
Use Of Altmetrics To Analyze Scholarworks In Natural Resource Management, David L. Kulhavy, R Philip Reynolds, Daniel R. Unger, Matthew W. Mcbroom, I-Kuai Hung, Yanli Zhang
Use Of Altmetrics To Analyze Scholarworks In Natural Resource Management, David L. Kulhavy, R Philip Reynolds, Daniel R. Unger, Matthew W. Mcbroom, I-Kuai Hung, Yanli Zhang
Faculty Publications
Digital preservation of library materials has increased the need for methods to access the documents and contents maintained in digital archives. The use of altmetrics to quantify the impact of scholarly works, including PlumX, is increasing readership by listing articles in reference services. The outreach from the digital repository ScholarWorks at Stephen F. Austin State University (SFASU) highlights the impact within the natural resources community from Digital Commons, Forest Sciences Commons; and from the Natural Products Chemistry and Pharmacognosy Commons. The use of PlumX altmetrics was examined to evaluate usage, impact, and digital audience downloads for the Arthur Temple College …
Integration Of Citygreen Landscape Ecological Analysis Into A Capstone Environmental Science Course, David L. Kulhavy, Daniel R. Unger, Reid Viegut, I-Kuai Hung, Yanli Zhang
Integration Of Citygreen Landscape Ecological Analysis Into A Capstone Environmental Science Course, David L. Kulhavy, Daniel R. Unger, Reid Viegut, I-Kuai Hung, Yanli Zhang
Faculty Publications
CITYgreen Geographic Information Systems software was used to develop a campus wide cover type map for Stephen F. Austin State University in an environmental science landscape ecology course. The finding indicated an equal division of forest cover type compared to impervious surface of buildings and paved surface. Once the classification was completed, students chose an area for reforestation identified in CITYgreen, while raising funds for the purchase of trees for the project. Before completing the project, students reviewed tenets of landscape ecology, civic ecology education, and benefits of urban forestry. At the completion of the project, students reviewed service-learning aspects …
Student Led Area Measurement Assessments Using Virtual Globes And Pictometry Web-Based Interface Within An Undergraduate Spatial Science Curriculum, David Kulhavy, I-Kuai Hung, Daniel Unger, Yanli Zhang
Student Led Area Measurement Assessments Using Virtual Globes And Pictometry Web-Based Interface Within An Undergraduate Spatial Science Curriculum, David Kulhavy, I-Kuai Hung, Daniel Unger, Yanli Zhang
Faculty Publications
The use of Virtual Globes and Pictometry continues to expand and develop in undergraduate spatial science education. Spatial science undergraduates measured the area of 30 rectangles on the earth’s surface and compared them to Pictometry hyperspectral imagery measurements within a web-based interface and the Google Earth interface compared to ArcGIS Explorer, Map Developers and ArcMap using the ArcMap 10.5.2 interface. An analysis of variance of the absolute mean area errors (p-value of 0.009271) concluded the accuracy of the five area measurements were statistically different at the 95% confidence interval. A Tukey pair-wise test found that the Pictometry and Google Earth …
Integrating Unmanned Aircraft Systems To Measure Linear And Areal Features Into Undergraduate Forestry Education, Reid Viegut, David Kulhavy, Daniel Unger, I-Kuai Hung, Brian Humphreys
Integrating Unmanned Aircraft Systems To Measure Linear And Areal Features Into Undergraduate Forestry Education, Reid Viegut, David Kulhavy, Daniel Unger, I-Kuai Hung, Brian Humphreys
Faculty Publications
The use of Unmanned Aircraft Systems (UAS) in undergraduate forestry education continues to expand and develop. Accuracy of data collection is an important aspect of preparation for "society-ready" foresters to meet the complex sustainable environment managing for ecological, social and economic interests. Hands-on use of a DJI Phantom 4 Pro UAS by undergraduates to measure the length and area of 30 linear features and areal features on Earth's surface were estimated. These measurements were compared (measured within the ArcMap 10.5.2 interface) to hyperspectral Pictometry imagery measured on the web-based interface and the Google Earth Pro interface. Each remotely estimated measurement …
Integrating Hands-On Undergraduate Research In An Applied Spatial Science Senior Level Capstone Course, David Kulhavy, Daniel Unger, I-Kuai Hung, David Douglass
Integrating Hands-On Undergraduate Research In An Applied Spatial Science Senior Level Capstone Course, David Kulhavy, Daniel Unger, I-Kuai Hung, David Douglass
Faculty Publications
A senior within a spatial science Ecological Planning capstone course designed an undergraduate research project to increase his spatial science expertise and to assess the hands-on instruction methodology employed within the Bachelor of Science in Spatial Science program at Stephen F Austin State University. The height of 30 building features estimated remotely with LiDAR data, within the Pictometry remotely sensed web-based interface, and in situ with a laser rangefinder were compared to actual building feature height measurements. A comparison of estimated height with actual height indicated that all three estimation techniques tested were unbiased estimators of height. An ANOVA, conducted …
Evaluating Gps Effectiveness For Natural Resource Professionals: Integrating Undergraduate Students In The Decision-Making Process, Daniel Unger, I-Kuai Hung, Yanli Zhang, David Kulhavy
Evaluating Gps Effectiveness For Natural Resource Professionals: Integrating Undergraduate Students In The Decision-Making Process, Daniel Unger, I-Kuai Hung, Yanli Zhang, David Kulhavy
Faculty Publications
Undergraduate students pursuing a Bachelor of Science in Forestry (BSF) degree at Stephen F. Austin State University (SFA) attend an intensive 6-week residential hands-on instruction in applied field methods. For students pursuing the BSF degree knowing the exact location of a forestland is crucial to the understanding and proper management of any related natural resource. The intensive 6-week instruction includes teaching how to use the Global Positioning System (GPS) to accurately record the spatial location of an earth’s surface feature. After receiving hands-on instructions during the summer of 2014, students were taken to the field to collect real-world locations. Students …
Quantifying Natural Resources Using Field-Based Instruction And Hands-On Applications, Daniel Unger, David Kulhavy, I-Kuai Hung, Yanli Zhang
Quantifying Natural Resources Using Field-Based Instruction And Hands-On Applications, Daniel Unger, David Kulhavy, I-Kuai Hung, Yanli Zhang
Faculty Publications
Undergraduate students pursuing a Bachelor of Science in Forestry (BSF) degree at Stephen F. Austin State University (SFA) attend an intensive 6-week residential hands-on instruction in applied field methods. For students pursuing the BSF degree knowing the exact location, length, or area of a forestland is crucial to the understanding and proper management of any related natural resource. The intensive 6-week instruction includes teaching how to use the Global Positioning System (GPS) to accurately record the true spatial location of an earth’s surface feature. After receiving hands-on instructions during the summer of 2013, students were taken to the field to …
Advanced Digital Image Processing Techniques For Natural Resource Assessment At Stephen F. Austin State University, Daniel Unger
Advanced Digital Image Processing Techniques For Natural Resource Assessment At Stephen F. Austin State University, Daniel Unger
Faculty Presentations
Graduate course work concentrating on land cover classification and digital image processing within the Arthur Temple College of Forestry and Agriculture at Stephen F. Austin State University is presented.
Survey Of Backcountry Campers In Yellowstone National Park. Characteristics And Management Preferences (Abstract), Michael Legg, Pat Stephens Williams, Scott Oosterhous, Ray Darville
Survey Of Backcountry Campers In Yellowstone National Park. Characteristics And Management Preferences (Abstract), Michael Legg, Pat Stephens Williams, Scott Oosterhous, Ray Darville
Faculty Publications
The identification of the complexities of the sociological dynamics of visitors and visitor use in our national parks has been a challenge to the field of human dimensions for the past thirty years. We continue to gather data through a variety of techniques and attempt to make sense of those complexities to help guide current and future management practices . . .
Continuing Education Needs Of Natural Resource Professionals, Steven H. Bullard, Thomas J. Straka
Continuing Education Needs Of Natural Resource Professionals, Steven H. Bullard, Thomas J. Straka
Faculty Publications
New products, technology and changing social attitudes have created continuing education needs in many natural resource-related professions. Environmental educations rapidly become obsolete without continued study, and many professional organizations are addressing this problem. Causes of professional obsolescence· are briefly reviewed with emphasis on natural resource managers. Foresters' needs and continuing education efforts are discussed to illustrate continuing education concepts in an environmental and natural resource-related profession.