Natural Resources and Conservation Commons^™

Using Life History Trade-Offs To Understand Core-Transient Structuring Of A Small Mammal Community, Sarah R. Supp, David N. Koons, S.K. Morgan Ernest

Wildland Resources Faculty Publications

An emerging conceptual framework suggests that communities are composed of two main groups of species through time: core species that are temporally persistent, and transient species that are temporally intermittent. Core and transient species have been shown to differ in spatiotemporal turnover, diversity patterns, and importantly, survival strategies targeted at local versus regional habitat use. While the core-transient framework has typically been a site-specific designation for species, we suggest that if core and transient species have local versus regional survival strategies across sites, and consistently differ in population-level spatial structure and gene flow, they may also typically exhibit different life-history …

Forest Diversity And Disturbance: Changing Influences And The Future Of Virginia’S Forests, Christine J. Small, James L. Chamberlain

Virginia Journal of Science

The Virginia landscape supports a remarkable diversity of forests, from maritime dune woodlands, swamp forests, and pine savannas of the Atlantic Coastal Plain, to post-agricultural pine-hardwood forests of the Piedmont, to mixed oak, mesophytic, northern hardwood, and high elevation spruce-fir forests across three mountain provinces in western parts of the state. Virginia’s forests also have been profoundly shaped by disturbance. Chestnut blight, hemlock woolly adelgid, emerald ash borer, and other pests have caused declines or functional extirpation of foundation species. Invasive plants like multiflora rose, Oriental bittersweet, and Japanese stiltgrass threaten both disturbed and intact forests. Oaks and other fire-dependent …

Conservation For Whom?: The Struggle For Indigenous Rights In Sagarmatha National Park, Jake Sivinski

Independent Study Project (ISP) Collection

Since its creation in 1976 Sagarmatha National Park has been the subject of a great deal of internal scrutiny by the regions indigenous Sherpa Inhabitants. Since their arrival in the Khumbu valley some four centuries ago, the Sherpa people have held a deep respect for their land and have practiced a highly organized and effective form of environmental stewardship which they refer to as Yul-Tim. At its core Yul-Tim relies on the authority of certain village members to make and enforce rules within the community: a practice that has been greatly undermined by creation of SNP. While SNP has had …

Assessing The Sustainability Of Selective Logging In Ankarabolava-Agnakatrika New Protected Area, Eileen Nakahata

Independent Study Project (ISP) Collection

Over the past 50 years, more than 90% of dense low-altitude humid forest in the District of Vangaindrano has been lost to deforestation and the remaining fragments continue to be threatened by slash and burn agriculture and selective cutting by local populations. These activities are driven by widespread poverty, population growth, and lack of development, which have made subsistence increasingly difficult. This study investigates logging rates and the stock of five commercially valuable trees in the Ankarabolava-Agnakatrika New Protected Area. Fifteen 1000m² transects were established systematically within the territory of the Matanga commune. Within each transect data was collected …

L.A. River Project, Erin Payne

The Transdisciplinary STEAM+ Journal

A field note that reflected the artists' experience of the city and the making of art through an activity at the L.A. River.

Analyzing Major Challenges Of Wind And Solar Variability In Power Systems, Falko Ueckerdt, Robert Brecha, Gunnar Luderer

Physics Faculty Publications

Ambitious policy targets together with current and projected high growth rates indicate that future power systems will likely show substantially increased generation from renewable energy sources. A large share will come from the variable renewable energy (VRE) sources wind and solar photovoltaics (PV); however, integrating wind and solar causes challenges for existing power systems. In this paper we analyze three major integration challenges related to the structural matching of demand with the supply of wind and solar power: low capacity credit, reduced utilization of dispatchable plants, and over-produced generation. Based on residual load duration curves we define corresponding challenge variables …

Using Choice Experiment Valuation Methods To Measure Public Preference For A New National Park In Maine, Alexander G. Wilsterman

Journal of Environmental and Resource Economics at Colby

With global population increasing faster than ever, the need to protect land from development is at an all-time high. This paper seeks the measure the public preference for a new national park located in northern Maine. A national park will both protect the land and inject a much-needed economic stimulus to the surrounding communities. The study uses the choice experiment valuation method to quantify its results. Through this revealed preference we can quantify which characteristics are most important to the public so that these characteristics may be considered if the project is ever approved.

Golf Courses In Maine: Land Type Valuation Versus A Hedonic Pricing Analysis, Gregory Ladd, Jason Buco

Journal of Environmental and Resource Economics at Colby

Many studies have been conducted analyzing the economic impact of golf courses on the local communities. These studies examine economic impacts of tournaments, endorsements, and vacation expenses of the major golf courses in the United States. However, there is little research conducted on the environmental impact of Golf courses, specifically in Maine. This paper performs a hedonic pricing analysis using housing prices in proximity to golf courses and compares it to the valuation of various land types in Maine. Housing prices were collected in the towns of Auburn, and North Yarmouth both near and distant from the local golf course. …

Converting Croplands To Grassland: A Spatial Analysis Of The Economic Feasibility Of Soil Greenhouse Gas Mitigation In Midwest, United States, Paco C. Defrancis

Journal of Environmental and Resource Economics at Colby

The global agriculture sector is responsible for close 20% of the aggregate anthropogenic greenhouse gas (GHG) emissions emitted since the start of the industrial age. Much of these emissions are attributed to the degradation of soils due to land use change when native ecosystems were converted to agricultural fields. Soil organic carbon (SOC) has been found to decrease in temperate soils when the native (such as a forest or grassland) ecosystem is replace by croplands. The aggregate amount of organic carbon stored in soils globally is estimated be 3.3x the size of the atmospheric carbon pool. Further soil degradation and …

Cost Benefit Analysis Of Café Standards Compared To The Alternative Fuel/Carbon Tax, Brian Levinson

Journal of Environmental and Resource Economics at Colby

The Cafe Standards were introduced in 1975 following the Oil Embargo. The goals of this program were simple. To reduce co2 emissions in vehicles by increasing a mandatory average mpg level for car manufacturers in the United States. Recently, in 2012, the Obama Administration set new Cafe Standard requirements for car manufacturers. By 2025, all new cars on the road in the United States must average 54.5 miles per gallon, which would double the current 27 mpg average in place right now. While the intentions of this policy are to reduce co2 emissions while at the same time increasing savings …

The Economics Of The Audubon Society's Sanctuary Program For Golf Courses, Dan Hyszczak

Journal of Environmental and Resource Economics at Colby

Millions of people play golf every year, and in 2011 Golf Courses gained $22 billion dollars in revenue. This statistic combined with golf’s inherent place in the natural environment lead to questions of value and development for golf course owners. In 1991, The Audubon Society created their Cooperative Sanctuary Program for Golf Courses (ACSP) to promote environmentally sustainable practices for golf courses and to recognize the courses that are the most environmentally in both the United States and around the world.

This paper builds off of prior research that connects golf course beauty with revenue by examining the effects of …

Preferences For Coral Reef And Fishery Management In Okinawa, Japan, Nils Carlson

Journal of Environmental and Resource Economics at Colby

This study is an example of how a nonmarket valuation method – a choice experiment – can be used to influence and guide ecosystem conservation efforts. Using a choice experiment survey, this study estimates the willingness to pay (WTP) for certain hypothetical attributes of a restored and conserved coral reef in Okinawa, Japan. I find that an increase in the amount of fish available to catch in ten years as well as an increase in the extent and health of the coral reefs and the number of marine biodiversity found in the Okinawan waters after ten-years, both positively affect respondent’s …

An Exploratory Statistical Analysis Of The External And Internal Effects Of Art Museums In The United States, John Eder

Journal of Environmental and Resource Economics at Colby

An Exploratory Statistical Analysis of the External and Internal Effects of Art Museums in the United States

The Effects Of Land Conservation On Productivity, Robert Mccormick, Carolyn Fuwa

Journal of Environmental and Resource Economics at Colby

In this research the relationship between productivity of land conservation is analyzed using panel data of the GDP and acres conserved of all 50 U.S. states from 1998-2005. Two main theories of the conservation productivity relationship exist. The first maintains that conservation impedes productivity because it does not allow land cultivation. Conversely, the second theory maintains that land conservation has a positive effect on GDP due to the recreation and tourism it creates. Through the use of fixed effects and random effects regressions, the amount of land conserved per state is not a significant predictor of state GDP The GDP …

A Survey On Climate Change: How Beliefs Shape Responsibility, Connor P. Clancy, Sarah Beth Solomon

Journal of Environmental and Resource Economics at Colby

This paper examines the lack of awareness and feelings of personal responsibility for climate change. Previous literature suggests that while part of the United States population may be aware of climate change, they do not feel personally responsible for causing it despite feeling climate change’s effects just like everyone else. Furthermore, studies suggest that individuals also do not believe climate change will affect them now, but rather it is an issue for future generations. Using a survey, we examine which demographics and personal factors are most important in eliciting awareness for climate change, and furthermore, personal responsibility for its effects. …

The Value Of Dune Width In Avalon, New Jersey: A Hedonic Pricing Analysis, Matt Mignon

Journal of Environmental and Resource Economics at Colby

Previous research on the economics of coastal housing markets has proven that housing values along the east coast of the United States capitalize on the attributes of local beaches. These recent studies document two important findings: that beach width positively affects coastal property values and that there is a proximity effect, in which distance from the beach plays a significant role in the capitalization of local beach attributes. This paper builds upon these findings to explore the influence that dune width has on coastal property values in Avalon, New Jersey. I hypothesize that as dune width increases, local property values …

Invited Introduction To Jerec, Noelwah Netusil

Journal of Environmental and Resource Economics at Colby

No abstract provided.

Welcome By The Editor, Sahan T. M. Dissanayake

Journal of Environmental and Resource Economics at Colby

No abstract provided.

Transportation And Sanitation Drivers Of Land Use/Land Cover Change: Loss Of The Jamaica Bay Wetlands, Margaret Joy Cytryn

Theses and Dissertations

This thesis presents an analysis (1830-2014) of the historical events of land use/land cover change in the Jamaica Bay estuary, identification of the agents of change, and a perspective on the potential drivers of transportation and sanitation in land use/land cover change.

Evaluation Of Regional Climate Models With Remotely Sensed Evapotranspiration Data, Doruk Ozturk

Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research

Water is one of the most precious resources on Earth. Managing water resources is a complex discipline that requires accurate data, which in turn means that the management of water resources is limited by the availability and quality of these datasets. Evapotranspiration (ET) is one of these key datasets, but is also one that is lacking in large-scale spatial distribution with traditional methods such as weighing lysimeters or Bowen ratio. This is a quantity that needs to be evaluated in regional and global climate models since it is a substantial component of the land surface-atmosphere interaction. In order to overcome …