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Exploration Of The Food Forest Outreach Team, Victoria Bearden 2021 Ursinus College

Exploration Of The Food Forest Outreach Team, Victoria Bearden

Environmental Studies Presentations

At Whittaker Environmental Research Station, the first iteration of the Ursinus Food Forest was planted in 2019. The Ursinus Food Forest includes over 15 species of edible species and embraces lessons in urban agriculture, urban forestry, and agroforestry. The site has now been planted for over a year, and is monitored by Dr. Patrick Hurley, student researchers, and Ursinus facilities. There are two separate student research teams involved with the food forest, one focusing on stewardship of the site and the other focusing on outreach for the site. The goal of the outreach team is to build a community around ...


B10: Controlling Saltwater Intrusion: Aiding The Recovery Of Freshwater Ecosystems, Willem Maniago, Stefanie Whitmire, Dan Hitchcock 2021 Faith Lutheran High School STEM Academy

B10: Controlling Saltwater Intrusion: Aiding The Recovery Of Freshwater Ecosystems, Willem Maniago, Stefanie Whitmire, Dan Hitchcock

Annual Research Symposium

As sea levels rise, it is imperative to understand the effects of saltwater intrusion on freshwater ecosystems. This is especially true in the coastal wetlands of the SE US, where freshwater forests are dying from exposure to salinity. One management strategy that could prevent salinity intrusion in surface waters are water control structures (WCS). The Great Reserve, located outside of Georgetown, SC, represents a biodiverse freshwater forested wetland affected by saltwater intrusion from the adjacent tidal Black River. Several years ago, scientists and landowners observed the degradation of the ecosystem. The owners of the property installed a WCS at the ...


Environmental Data: Geospatial And Elevation Data, Albert J. Burky, Julia I. Chapman, Ryan W. McEwan 2021 University of Dayton

Environmental Data: Geospatial And Elevation Data, Albert J. Burky, Julia I. Chapman, Ryan W. Mcewan

Data Files: Drew Woods Permanent Plots

GPS Coordinates, Elevation, and Distance to Edge data for 32 sample plots in Drew Woods State Nature Preserve in Darke County, OH. Data key is provided in a supplemental file.


Annual Report - 2020, John Erixson 2021 Nebraska Forest Service

Annual Report - 2020, John Erixson

Publications, etc. -- Nebraska Forest Service

No abstract provided.


Soil Response Of Helicopter Liming In The Monongahela National Forest, Jarrett Douglas Fowler 2021 West Virginia University

Soil Response Of Helicopter Liming In The Monongahela National Forest, Jarrett Douglas Fowler

Graduate Theses, Dissertations, and Problem Reports

Soils in the Monongahela National Forest (MNF) are acidic due to sandstone parent material, acid deposition, uptake of base cations by vegetation, and release of organic acids by organic matter (OM) decomposition. Increases in soil acidity have caused declines in forest health and changed species composition and nutrient status. Liming can neutralize soil acidity, but no large-scale liming projects have been done on acid forest soils in the USA. In anticipation of acquiring funding for a proposed liming project in the MNF, in 2007 and 2009 10 sites were selected to sample and analyze soils before lime was applied. In ...


The Future Of Maine's Forests Under Alternative Socioeconomic, Climate And Conservation Pathways, Jianheng Zhao 2020 University of Maine

The Future Of Maine's Forests Under Alternative Socioeconomic, Climate And Conservation Pathways, Jianheng Zhao

Electronic Theses and Dissertations

Maine is a historically important timber supply region in North America and understanding the potential change in forestlands and their product industries affected by climate change and various socio-economic conditions can better improve the forest healthy and sustain a sustainable product industry. A statistical harvest choice model for the state of Maine was developed in chapter 1. It was estimated using a multinomial logit model of two products, under varying management intensities, and ownership classifications across varying market conditions. Results indicate that stumpage prices have a significant effect on forest landowners' harvest decisions and that the expansion of conservation land ...


Nebraska Forest Action Plan - 2020, John Erixson 2020 University of Nebraska-Lincoln

Nebraska Forest Action Plan - 2020, John Erixson

Publications, etc. -- Nebraska Forest Service

Nebraska’s Forest Action Plan – 2020 represents a multiyear effort by Nebraska Forest Service staff to ensure trees continue to play a role in the lives of all Nebraskans. It includes assessments in locations considered to be priority forested areas; the strategies that will be implemented to address the challenges described in the preceding paragraph; and, how the agency’s resources will coalesce to bring the state’s trees and forests to a healthy and sustainable condition. Additionally, this plan maintains flexibility that allows for response to changes in the natural environment, state or federal policy, and the priorities of ...


Assessment Of Factors Influencing Migratory Landbird Use Of Forested Stopover Sites Along The Delmarva Peninsula During Autumn Migration, J. Andrew Arnold 2020 Old Dominion University

Assessment Of Factors Influencing Migratory Landbird Use Of Forested Stopover Sites Along The Delmarva Peninsula During Autumn Migration, J. Andrew Arnold

Biological Sciences Theses & Dissertations

Autumn migration is a time when billions of birds move from breeding grounds in North America to wintering grounds in Central and South America, with many individuals relying on stopover habitats en route for resting and refueling purposes. These stopover sites are critical to the survival of the hundreds of species of migratory landbirds that migrate annually, and thus identifying important stopover sites is a high priority for conserving such taxa. The Delmarva Peninsula; a coastal region of Delaware, Maryland, and Virginia along the mid-Atlantic flyway; consists of forested habitats with ample food and shelter that likely serves as quality ...


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 2020 Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

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 ...


Quantitative Analysis Of Phytochemical Compounds In Barks And Leaves Of Okoubaka Aubrevillei Collected From Iwo, Southwestern Nigeria, Oluwatoyin Opeyemi Akintola, Adeboyin Funmi Aderounmu, Isaac Oluwaseyi Abiola, Kolawole Emmanuel Abodurin, Tunde Adeniran, Festus Agboola, Oluwayemisi Samuel Olokeogun 2020 Forestry Research Institute of Nigeria, Ibadan, Nigeria

Quantitative Analysis Of Phytochemical Compounds In Barks And Leaves Of Okoubaka Aubrevillei Collected From Iwo, Southwestern Nigeria, Oluwatoyin Opeyemi Akintola, Adeboyin Funmi Aderounmu, Isaac Oluwaseyi Abiola, Kolawole Emmanuel Abodurin, Tunde Adeniran, Festus Agboola, Oluwayemisi Samuel Olokeogun

Journal of Bioresource Management

Okoubaka aubrevillei is an indigenous and sacred tropical tree in Africa. It is rare with allelopathic properties and has relatively little information available in terms of what is responsible for its usage for medicinal and traditional usage. The phytochemical screening and quantitative analysis of the compounds in the barks and leaves of Okoubaka aubrevillei was determined to ascertain and establish its earlier claimed usage as traditional and modern medicine. The most important classes of secondary metabolites (phytochemical compounds) specifically alkaloids, flavonoids, tannins, saponins, anthraquinnes, mucilages, oses, holosides, coumarin and glycosides were detected in both, the leaves and barks of the ...


Mammals Of Cedar Breaks National Monument, S. Nicole Frey, Natalie D'Souza, Ethan Hammer, Bryan Larsen, Jake Nielson 2020 Utah State University

Mammals Of Cedar Breaks National Monument, S. Nicole Frey, Natalie D'Souza, Ethan Hammer, Bryan Larsen, Jake Nielson

All Current Publications

This document is the result of a study of the terrestrial mammals found at Cedar Breaks National Monument from 2017-2019. During this time, we conducted a survey of mammals using a series of trail cameras. We used survey results to provide an index of terrestrial mammals (excluding bats) within the park. Our goal is to provide a beginner’s guide to the mammals at Cedar Breaks National Monument. We include information regarding appearance, diet, habitat, and population status according to the International Union for the Conservation of Nature (IUCN). The guide represents the species a visitor to Cedar Breaks National ...


A Comparison Of Fuel Reduction Methods For Wildfire Risk Management And Climate Change Resiliency In Mixed Conifer Forests In The Sierra Nevada, Heather Navle 2020 The University of San Francisco

A Comparison Of Fuel Reduction Methods For Wildfire Risk Management And Climate Change Resiliency In Mixed Conifer Forests In The Sierra Nevada, Heather Navle

Master's Projects and Capstones

Wildfires in the mixed conifer forests of California’s Sierra Nevada have been a common and natural disturbance for thousands of years, historically occurring every 3 to 30 years. The flora and fauna of the mixed conifer forest have evolved to depend on low to moderate severity wildfires for reproduction, foraging, and habitat. However, the Sierra Nevada has experienced dramatic environmental changes over the past ~150 years as a result of three main factors: wildfire suppression, climate change, and habitat loss. Because of the threat wildfires pose to human lives, property and timber harvest, they have been suppressed to an ...


Shifting Public Perception: Climate Change Means Living With Fire And Smoke, Robert Froembling 2020 Seattle University School of Law

Shifting Public Perception: Climate Change Means Living With Fire And Smoke, Robert Froembling

Seattle Journal of Technology, Environmental & Innovation Law

The urgency to prepare for the climate crisis has never been greater. We are currently living in the sixth mass extinction and the effects are only going to accelerate. We will inherit more wildfires, larger wildfires, and more frequent wildfires.

This piece is not meant to stoke fear in its readers or be depressing, but to shift public perception on what our future holds by evaluating the laws and science presented to us. This piece will look at regional and federal regulations and assess the increased rate of forest fires and the grave public health concerns from stagnant smoke specifically ...


A Floristic Survey Of Andalusia: A Historic Preservation Site In Baldwin County, Georgia, William Pharr 2020 Georgia College

A Floristic Survey Of Andalusia: A Historic Preservation Site In Baldwin County, Georgia, William Pharr

Biology Theses

A survey of the vascular plants of Andalusia, a historic preservation site located along Highway 441 north of Milledgeville in Baldwin County, Georgia, was conducted between August 2018 and February 2020. The site was the late home of esteemed author, Flannery O’Connor, and resides along the Georgia fall line, making it a historically significant area that could yield a unique plant community convergence, as well as rare endemic species. This floristic inventory provides baseline data on the species and plant communities of Andalusia for use in future studies regarding the flora of this area. A total of 191 vascular ...


Regional Forest Volume Estimation By Expanding Lidar Samples Using Multi-Sensor Satellite Data, Bo Xie, Chunxiang Cao, Min Xu, Barjeece Bashir, Ramesh P. Singh, Zhibin Huang, Xiaojuan Lin 2020 Chinese Academy of Sciences

Regional Forest Volume Estimation By Expanding Lidar Samples Using Multi-Sensor Satellite Data, Bo Xie, Chunxiang Cao, Min Xu, Barjeece Bashir, Ramesh P. Singh, Zhibin Huang, Xiaojuan Lin

Mathematics, Physics, and Computer Science Faculty Articles and Research

Accurate information regarding forest volume plays an important role in estimating afforestation, timber harvesting, and forest ecological services. Traditionally, operations on forest growing stock volume using field measurements are labor-intensive and time-consuming. Recently, remote sensing technology has emerged as a time-cost efficient method for forest inventory. In the present study, we have adopted three procedures, including samples expanding, feature selection, and results generation and evaluation. Extrapolating the samples from Light Detection and Ranging (LiDAR) scanning is the most important step in satisfying the requirement of sample size for nonparametric methods operation and result in accuracy improvement. Besides, mean decrease Gini ...


Remote Sensing Monitoring Of Vegetation Dynamic Changes After Fire In The Greater Hinggan Mountain Area: The Algorithm And Application For Eliminating Phenological Impacts, Zhibin Huang, Chunxiang Cao, Wei Chen, Min Xu, Yongfeng Dang, Ramesh P. Singh, Barjeece Bashir, Bo Xie, Xiaojuan Lin 2020 Chinese Academy of Sciences

Remote Sensing Monitoring Of Vegetation Dynamic Changes After Fire In The Greater Hinggan Mountain Area: The Algorithm And Application For Eliminating Phenological Impacts, Zhibin Huang, Chunxiang Cao, Wei Chen, Min Xu, Yongfeng Dang, Ramesh P. Singh, Barjeece Bashir, Bo Xie, Xiaojuan Lin

Mathematics, Physics, and Computer Science Faculty Articles and Research

Fires are frequent in boreal forests affecting forest areas. The detection of forest disturbances and the monitoring of forest restoration are critical for forest management. Vegetation phenology information in remote sensing images may interfere with the monitoring of vegetation restoration, but little research has been done on this issue. Remote sensing and the geographic information system (GIS) have emerged as important tools in providing valuable information about vegetation phenology. Based on the MODIS and Landsat time-series images acquired from 2000 to 2018, this study uses the spatio-temporal data fusion method to construct reflectance images of vegetation with a relatively consistent ...


Interspecific Gene Flow Potentiates Adaptive Evolution In A Hybrid Zone Formed Between Pinus Strobiformis And Pinus Flexilis, Mitra Menon 2020 Virginia Commonwealth University

Interspecific Gene Flow Potentiates Adaptive Evolution In A Hybrid Zone Formed Between Pinus Strobiformis And Pinus Flexilis, Mitra Menon

Theses and Dissertations

Species range margins are often characterised by high degrees of habitat fragmentation resulting in low genetic diversity and higher gene flow from populations at the core of the species range. Interspecific gene flow from a closely related species with abutting range margins can increase standing genetic diversity and generate novel allelic combinations thereby alleviating limits to adaptive evolution in range margin populations. Hybridization driven interspecific gene flow has played a key role in the demographic history of several conifer due to their life history characteristics such as weak crossability barriers and long generation times. Nevertheless, demonstrating whether introgression is adaptive ...


Aspen Growth Response In The Presence Of Inter-Annual Climate Fluctuation And Disturbance In The Lake Tahoe Basin, Keath K. Sakihara 2020 Humboldt State University

Aspen Growth Response In The Presence Of Inter-Annual Climate Fluctuation And Disturbance In The Lake Tahoe Basin, Keath K. Sakihara

HSU theses and projects

In the western US, aspen forests tend to be small and rare, but have great ecological importance. There is much interest and concern over how aspen in the Sierra Nevada Mountains of the western USA will respond to a changing climate and future disturbances. Impacts from climate change create stress on aspen trees that further compound threats to aspen communities. This analysis assessed the radial growth response of aspen under previously recorded climate conditions to better understand how measurable climate variables affect aspen growth. Along with aspen’s growth response to climate, this analysis also assessed the growth response of ...


Internet Of Things For Sustainable Forestry, Abdul Salam 2020 Purdue University

Internet Of Things For Sustainable Forestry, Abdul Salam

Faculty Publications

Forests and grasslands play an important role in water and air purification, prevention of the soil erosion, and in provision of habitat to wildlife. Internet of Things has a tremendous potential to play a vital role in the forest ecosystem management and stability. The conservation of species and habitats, timber production, prevention of forest soil degradation, forest fire prediction, mitigation, and control can be attained through forest management using Internet of Things. The use and adoption of IoT in forest ecosystem management is challenging due to many factors. Vast geographical areas and limited resources in terms of budget and equipment ...


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 2020 Arthur Temple College of Forestry and Agriculture, Stephen F. Austin State University

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 ...


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