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A Quantitative Analysis Of The Effects Of Urbanization, Mesophication And Prescribed Burns On Oak Woodlands In The Chicago Metropolitan Area, Chad Populorum 2018 Augustana College, Rock Island Illinois

A Quantitative Analysis Of The Effects Of Urbanization, Mesophication And Prescribed Burns On Oak Woodlands In The Chicago Metropolitan Area, Chad Populorum

Celebration of Learning

Urban expansion has had devastating impacts on forest ecosystems, especially within the past century. Human attempts to dominate nature have diminished natural disturbance regimes, which have maintained the biodiversity and historic composition of these ecosystems. Fires have been a prominent force in maintaining the structure of oak, hickory and other heliophytic (sun loving and fire-adapted) forest systems. Human induced fire suppression has led to mesophication across North America. Mesophication is the transition from drier conditions with open canopies to wetter conditions with closed canopies. These new conditions decrease the survival rates of these important species and begin to favor mesophytic ...


Radical Social Ecology As Deep Pragmatism: A Call To The Abolition Of Systemic Dissonance And The Minimization Of Entropic Chaos, Arielle Brender 2018 Fordham University

Radical Social Ecology As Deep Pragmatism: A Call To The Abolition Of Systemic Dissonance And The Minimization Of Entropic Chaos, Arielle Brender

Student Theses 2015-Present

This paper aims to shed light on the dissonance caused by the superimposition of Dominant Human Systems on Natural Systems. I highlight the synthetic nature of Dominant Human Systems as egoic and linguistic phenomenon manufactured by a mere portion of the human population, which renders them inherently oppressive unto peoples and landscapes whose wisdom were barred from the design process. In pursuing a radical pragmatic approach to mending the simultaneous oppression and destruction of the human being and the earth, I highlight the necessity of minimizing entropic chaos caused by excess energy expenditure, an essential feature of systems that aim ...


2018 Chapman Environmental Audit: Sustainable Purchasing Policy, KC Hoppel 2018 Chapman University

2018 Chapman Environmental Audit: Sustainable Purchasing Policy, Kc Hoppel

Student Research Day Abstracts and Posters

Chapman University maintains its commitment to a “campus culture that promotes a sustainable future” in its Sustainability Policy, which was implemented in 2014. However, the University currently has no mechanism to ensure this sustainable decision-making process occurs. One of the surest ways to guarantee this change is to enact a University-wide sustainable purchasing policy that ensures consistency between departments. Institutions benefit from sustainable procurement by receiving more efficient and long-lasting products, protecting and enhancing the local and global environment, supporting innovative technologies, creating a diverse supply chain, and gaining a competitive edge as a leading institution. A few cost-benefit analyses ...


Lithium And The Foreseeable Future, Paolo Vargas 2018 University of Arkansas, Fayetteville

Lithium And The Foreseeable Future, Paolo Vargas

Mechanical Engineering Undergraduate Honors Theses

This paper aims to clarify the uncertainties regarding worldwide lithium resource availability in the years to come. Previous studies made on the subject are presented with some ambiguity and this work intends to fill the gaps. The information and data presented throughout this script with respect to global lithium resources and reserves are mostly based on data released by the United States Geological Survey (USGS). Lithium resource availability in the future is a point of paramount significance primarily for the automotive, portable electronics, and the power generation industry. Since, a change of supply would ultimately affect the price of lithium ...


A Socioeconomic Valuation Of Urban Wetland Ecosystems And Policy Recommendation For College Lake, Michael Dunmyer 2018 Lynchburg College

A Socioeconomic Valuation Of Urban Wetland Ecosystems And Policy Recommendation For College Lake, Michael Dunmyer

Student Scholar Showcase

The current dilemma of College Lake offers a unique case study for how urban ecosystems can not only subsist within cities but provide pivotal functions for them as well. With the potential for a dam-breaching storm event increasing in possibility with each passing year, concerns regarding the structural integrity of the College Lake dam in Lynchburg, VA have arisen. Such concerns have led the City of Lynchburg to consider reinforcement or removal of the dam in order to mitigate flood risks along the Blackwater Creek floodplain. Since its formation following the installation of the Depression-era dam, however, College Lake has ...


Final Paper For Posc370: National Energy Strategy, Courtney Trott 2018 Chapman University

Final Paper For Posc370: National Energy Strategy, Courtney Trott

Political Science Student Papers and Posters

This paper aims to analyze the energy sources and needs of Canada. I worked off of current data and policies to make predictions and suggestions for the next 20 years in the areas of energy production and policy for Canada. In studying Canada’s energy policies and programs, there is a lot to be gained when thinking international energy policy and production.


Comparing German And Us Energy Transitions: Centralized Vs. Decentralized Government Approaches, Sarah Greenway 2018 Bryant University

Comparing German And Us Energy Transitions: Centralized Vs. Decentralized Government Approaches, Sarah Greenway

Honors Projects in Science and Technology

The German Energiewende (“energy transition”) is often credited with being the most ambitious renewable energy transition in the world. Germany’s rapid transition is mainly led by their Renewable Energy Act of 2000, which has been amended several times in order to remain relevant during changing conditions. In contrast, the United States’ energy transition seems stagnant and lacks an overall direction from the Federal Government. Despite this, the United States is making progress towards implementing renewable energy technologies due to the efforts of several states. Germany’s transition has experienced a number of challenges along the way, while the United ...


Population Characteristics Of Shovelnose Sturgeon During Low- And High-Water Conditions In The Lower Platte River, Nebraska, Jeremy J. Hammen, Martin J. Hamel, Matthew L. Rugg, Edward J. Peters, Mark A. Pegg 2018 U.S. Fish and Wildlife Service, Columbia, MO

Population Characteristics Of Shovelnose Sturgeon During Low- And High-Water Conditions In The Lower Platte River, Nebraska, Jeremy J. Hammen, Martin J. Hamel, Matthew L. Rugg, Edward J. Peters, Mark A. Pegg

Nebraska Cooperative Fish & Wildlife Research Unit -- Staff Publications

Cycles of low- and high-water periods (i.e., years) in river systems are natural occurrences, but understanding how cyclical climatological patterns affect fishes, especially long-lived species, is unclear. We assessed Shovelnose Sturgeon population dynamics between a period of low- (2001-2004) and high- (2009-2012) water years in the lower Platte River, Nebraska. Low-flow periods in the lower Platte River can cause disconnection(s) between upstream and downstream reaches resulting in isolated pools and elevated water temperatures leading to stressful situations for aquatic life and possible mortality. Our data show no measurable differences between key population indices between flow condition periods which ...


Resilience Concepts In Psychiatry Demonstrated With Bipolar Disorder, David G. Angeler, Craig R. Allen, Maj-Liz Persson 2018 Swedish University of Agricultural Sciences

Resilience Concepts In Psychiatry Demonstrated With Bipolar Disorder, David G. Angeler, Craig R. Allen, Maj-Liz Persson

Nebraska Cooperative Fish & Wildlife Research Unit -- Staff Publications

Background: The term resilience describes stress–response patterns of subjects across scientific disciplines. In ecology, advances have been made to clearly distinguish resilience definitions based on underlying mechanistic assumptions. Engineering resilience (rebound) is used for describing the ability of subjects to recover from adverse conditions (disturbances), and is the rate of recovery. In contrast, the ecological resilience definition considers a systemic change: when complex systems (including humans) respond to disturbances by reorganizing into a new regime (stable state) where structural and functional aspects have fundamentally changed relative to the prior regime. In this context, resilience is an emergent property of ...


Evaluation Of `Structure-From-Motion' From A Pole-Mounted Camera For Monitoring Geomorphic Change, Rebecca K. Rossi 2018 Utah State University

Evaluation Of `Structure-From-Motion' From A Pole-Mounted Camera For Monitoring Geomorphic Change, Rebecca K. Rossi

All Graduate Theses and Dissertations

Emerging "Structure-from-Motion" (SfM) photogrammetry techniques encourage faster, cheaper, and more accessible field methods for accurately reconstructing 3D topography. The SfM method consists of collecting sets of overlapping images of the ground surface with a point and shoot camera, and reconstructing surface topography from the images with developed software programs. This research develops and implements a SfM image acquisition method and post-processing workflow as a supplemental technique to the traditional total-station method to aid in monitoring sandbar change in Marble and Grand Canyons along the Colorado River in Arizona. Due to permitting in Grand Canyon National Park, a 4.9 m ...


Alternative Energy: An Examination Of Costs, Safety, And Potential, Evan Searles 2018 University of New Hampshire, Durham

Alternative Energy: An Examination Of Costs, Safety, And Potential, Evan Searles

Honors Theses and Capstones

No abstract provided.


Does Collective Action Sequester Carbon? Evidence From The Nepal Community Forestry Program, Randall Bluffstone, Eswaran Somanathan, Prakash Jha, Harisharan Luintel, Rajesh Bista, Mike Toman, Naya Paudel, Bhim Adhikari 2018 Portland State University

Does Collective Action Sequester Carbon? Evidence From The Nepal Community Forestry Program, Randall Bluffstone, Eswaran Somanathan, Prakash Jha, Harisharan Luintel, Rajesh Bista, Mike Toman, Naya Paudel, Bhim Adhikari

Economics Faculty Publications and Presentations

Highlights

• Presumed open access forests have as little as 34% of those under collective action.

• No evidence that Community Forestry Programme forests store more carbon

.• Carbon from collective action not conditional on Community Forestry Programme.


Variation In Angler Distribution And Catch Rates Of Stocked Rainbow Trout In A Small Reservoir, Brian S. Harmon, Dustin R. Martin, Christopher J . Chizinski, K. L. Pope 2018 University of Nebraska-Lincoln

Variation In Angler Distribution And Catch Rates Of Stocked Rainbow Trout In A Small Reservoir, Brian S. Harmon, Dustin R. Martin, Christopher J . Chizinski, K. L. Pope

Nebraska Cooperative Fish & Wildlife Research Unit -- Staff Publications

We investigated the spatial and temporal relationship of catch rates and angler party location for two days following a publicly announced put-and-take stocking of rainbow trout (Oncorhynchus mykiss). Catch rates declined with time since stocking and distance from stocking. We hypothesized that opportunity for high catch rates would cause anglers to fish near the stocking location and disperse with time, however distance between angler parties and stocking was highly variable at any given time. Spatially explicit differences in catch rates can affect fishing quality. Further research could investigate the variation between angler distribution and fish distribution within a waterbody.


Thermal Tolerance Limits Of The Chinese Mystery Snail (Bellamya Chinensis): Implications For Management, Jessica L. Burnett, Kevin L. Pope, Alec Wong, Craig R. Allen, Danielle Haak, Bruce J. Stephen, Daniel R. Uden 2018 University of Nebraska-Lincoln

Thermal Tolerance Limits Of The Chinese Mystery Snail (Bellamya Chinensis): Implications For Management, Jessica L. Burnett, Kevin L. Pope, Alec Wong, Craig R. Allen, Danielle Haak, Bruce J. Stephen, Daniel R. Uden

Nebraska Cooperative Fish & Wildlife Research Unit -- Staff Publications

The Chinese mystery snail, Bellamya chinensis (Gray, 1834) is a gastropod native to East Asia and is considered an invasive species in North America where its impacts on native species and ecosystems are not well understood. Scientific literature describing its biology and life history are sparse. Thermal tolerance limits, or the maximum and minimum temperature under which a species can survive, are key to identifying the potential geographical range of a species. The ability of managers to control invasive species is directly impacted by the thermal tolerance limits of a species. We attempted to identify the thermal tolerance limits of ...


Call For Abstracts - Resrb 2018, June 18-20, Brussels, Belgium, Wojciech M. Budzianowski 2017 Wojciech Budzianowski Consulting Services

Call For Abstracts - Resrb 2018, June 18-20, Brussels, Belgium, Wojciech M. Budzianowski

Wojciech Budzianowski

No abstract provided.


The Application And Usefulness Of Economic Analyses For Water Quality Management In Coastal Areas, Sheri L. Jewhurst, Kate K. Mulvaney, Marisa J. Mazzotta 2017 US Environmental Protection Agency

The Application And Usefulness Of Economic Analyses For Water Quality Management In Coastal Areas, Sheri L. Jewhurst, Kate K. Mulvaney, Marisa J. Mazzotta

Journal of Ocean and Coastal Economics

Economic studies are increasingly sought as tools to contribute to water quality management in estuaries and coastal communities, yet little is known about how the results from existing studies have been received and utilized by the organizations who solicited them. We interviewed managers from eight organizations who solicited economic studies over the past 15 years to understand how useful the studies were to their organizations and what economic research would be most helpful for their management needs. In terms of utility for coastal managers, there are a number of limitations in the studies. These include lack of site-specific data, the ...


Environmental Ngo-Private Sector Partnerships: A Tool To Generate Business Value And Protect The Natural World, Carolyn Nogy Nogy 2017 The University of San Francisco

Environmental Ngo-Private Sector Partnerships: A Tool To Generate Business Value And Protect The Natural World, Carolyn Nogy Nogy

Master's Projects and Capstones

Many environmental challenges are complicated by complex and social, cultural, economic and political interactions, which are difficult to address by a single entity. However, partnerships can offer the necessary depth and versatility to address them effectively. By working together, there is an opportunity for cross sector partners to leverage their unique expertise, while blending resources to achieve more comprehensive and sustainable solutions to existing environmental problems. This project examines the use of partnerships between environmental NGOs and the private sector to manage complex environmental problems, providing a critical assessment of the partnership attributes that generate the most mutual benefit. The ...


Translating Statistical Species-Habitat Models To Interactive Decision Support Tools, Lyndsie S. Wszola, Victoria L. Simonsen, Erica F. Stuber, Caitlyn R. Gillespie, Lindsey N. Messinger, Karie L. Decker, Jeffrey J. Lusk, Christopher F. Jorgensen, Andrew A. Bishop, Joseph J. Fontaine 2017 University of Nebraska - Lincoln

Translating Statistical Species-Habitat Models To Interactive Decision Support Tools, Lyndsie S. Wszola, Victoria L. Simonsen, Erica F. Stuber, Caitlyn R. Gillespie, Lindsey N. Messinger, Karie L. Decker, Jeffrey J. Lusk, Christopher F. Jorgensen, Andrew A. Bishop, Joseph J. Fontaine

Nebraska Cooperative Fish & Wildlife Research Unit -- Staff Publications

Understanding species-habitat relationships is vital to successful conservation, but the tools used to communicate species-habitat relationships are often poorly suited to the information needs of conservation practitioners. Here we present a novel method for translating a statistical species-habitat model, a regression analysis relating ring-necked pheasant abundance to landcover, into an interactive online tool. The Pheasant Habitat Simulator combines the analytical power of the R programming environment with the user-friendly Shiny web interface to create an online platform in which wildlife professionals can explore the effects of variation in local landcover on relative pheasant habitat suitability within spatial scales relevant to ...


Geophysical Delineation Of Megaporosity And Fluid Migration Pathways For Geohazard Characterization Within The Delaware Basin, Culberson County, Texas, Jonathan David Woodard 2017 Stephen F. Austin State University

Geophysical Delineation Of Megaporosity And Fluid Migration Pathways For Geohazard Characterization Within The Delaware Basin, Culberson County, Texas, Jonathan David Woodard

Electronic Theses and Dissertations

ABSTRACT

Differential dissolution of gypsum karst within the Delaware Basin poses a significant threat to infrastructure that society depends on. The study area is located in Culberson County, Texas and traverses a distance of approximately 54 kilometers along RM 652 within the Gypsum Plain which is situated on the northern margin of the Chihuahua Desert and includes outcrops of Castile and Rustler strata that host karst geohazards. Regions of karst geohazard potential have been physically surveyed proximal to the study area in evaporites throughout the Castile Formation outcrop; minimal hazards, in comparison to the Castile Formation, have been documented in ...


Sampling Effort And Uncertainty In Leaf Litterfall Mass And Nutrient Flux In Northern Hardwood Forests, Yang Yang, Ruth D. Yanai, Craig R. See, Mary A. Arthur 2017 State University of New York

Sampling Effort And Uncertainty In Leaf Litterfall Mass And Nutrient Flux In Northern Hardwood Forests, Yang Yang, Ruth D. Yanai, Craig R. See, Mary A. Arthur

Forestry and Natural Resources Faculty Publications

Designs for litterfall sampling can be improved by understanding the sources of uncertainty in litterfall mass and nutrient concentration. We compared the coefficient of variation of leaf litterfall mass and nutrient concentrations (nitrogen, phosphorus, calcium, magnesium, and potassium) at different spatial scales and across years for six northern hardwood species from 23 stands in the White Mountains of New Hampshire, USA. Stands with steeper slopes (P = 0.01), higher elevations (P = 0.05), and more westerly aspect (P = 0.002) had higher interannual variation in litter mass, probably due to a litter trap design that allowed litter to blow into ...


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