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Articles 1 - 17 of 17
Full-Text Articles in Environmental Sciences
Mammal Species Inventory Using Various Trapping Methods In Zone 4 Of Billy Barquedier National Park, Belize During Rainy Season, Mersady Redding
Mammal Species Inventory Using Various Trapping Methods In Zone 4 Of Billy Barquedier National Park, Belize During Rainy Season, Mersady Redding
Animal Science Undergraduate Honors Theses
Belize is a small country, but it is extremely ecologically diverse. Based on the few studies conducted in Belize, the abundance of mammals is low but diversity is high. Particular findings note the number and identity of species differed between four sites in the Maya Mountains of Belize, indicating that a data set from a single site is not representative of the Neotropical region. Insufficient data is available to estimate current species richness of many areas in Belize, including Billy Barquedier National Park (BBNP). The objective of this study was to explore trapping and documentation methods of terrestrial mammals in …
Non-Invasive Methods For Measuring And Monitoring Stress Physiology In Imperiled Amphibians, Edward J. Narayan, Zachery R. Forsburg, Drew R. Davis, Caitlin R. Gabor
Non-Invasive Methods For Measuring And Monitoring Stress Physiology In Imperiled Amphibians, Edward J. Narayan, Zachery R. Forsburg, Drew R. Davis, Caitlin R. Gabor
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
Global climate change is negatively impacting global biodiversity and ectothermic vertebrates, with amphibians being the most imperiled vertebrate taxa. Increased mean global atmospheric temperatures, high rates of habitat degradation, and exposure to infectious diseases, such as chytridiomycosis, have contributed to population declines and extinctions of rare and endangered amphibian species. Field-based monitoring of physiological endocrine traits can help determine the sub-lethal effects of environmental stressors and provide early alerts when populations are chronically stressed. Recent advances in amphibian stress endocrinology include the development and use of non-invasive methods to quantify the glucocorticoid, or stress biomarker, corticosterone. Non-invasive methods, such as …
Increasing Impacts Of Extreme Droughts On Vegetation Productivity Under Climate Change, Chonggang Xu, Nate G. Mcdowell, Rosie A. Fisher, Liang Wei, Sanna Sevanto, Bradley O. Christoffersen, Engsheng Weng, Richard S. Middleton
Increasing Impacts Of Extreme Droughts On Vegetation Productivity Under Climate Change, Chonggang Xu, Nate G. Mcdowell, Rosie A. Fisher, Liang Wei, Sanna Sevanto, Bradley O. Christoffersen, Engsheng Weng, Richard S. Middleton
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
Terrestrial gross primary production (GPP) is the basis of vegetation growth and food production globally1 and plays a critical role in regulating atmospheric CO2 through its impact on ecosystem carbon balance. Even though higher CO2 concentrations in future decades can increase GPP2, low soil water availability, heat stress and disturbances associated with droughts could reduce the benefits of such CO2 fertilization. Here we analysed outputs of 13 Earth system models to show an increasingly stronger impact on GPP by extreme droughts than by mild and moderate droughts over the twenty-first century. Due to a dramatic increase in …
The Planet, 2019, Fall, Emily Dietzel, Huxley College Of The Environment, Western Washington University
The Planet, 2019, Fall, Emily Dietzel, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Urban Ecology, Spring/Summer 2003, Issue 8
Human Ecology, Spring/Summer 2016, Issue 34
Traffic Noise And Sexual Selection: Studies Of Anthropogenic Impact On Bird Songs And Undergraduate Student Reasoning Of Evolutionary Mechanisms, Sarah Spier
School of Natural Resources: Dissertations, Theses, and Student Research
Humans have transformed much of the natural landscape and are continuing to do so at an accelerated rate, compromising natural areas that serve as important habitat for many species. Roads impact much of the environment as they fragment habitat and introduce traffic noise into the acoustic environment, deferentially affecting wildlife in roadside habitat. I explored how traffic noise affects the detection of birds based on whether their vocalizations were masked by traffic noise. Masked species detection was not affected by an increase in traffic noise amplitude, while there was a negative effect of traffic noise amplitude on unmasked species detection, …
Traffic Noise And Sexual Selection: Studies Of Anthropogenic Impact On Bird Songs And Undergraduate Student Reasoning Of Evolutionary Mechanisms, Sarah Spier
School of Natural Resources: Dissertations, Theses, and Student Research
Humans have transformed much of the natural landscape and are continuing to do so at an accelerated rate, compromising natural areas that serve as important habitat for many species. Roads impact much of the environment as they fragment habitat and introduce traffic noise into the acoustic environment, deferentially affecting wildlife in roadside habitat. I explored how traffic noise affects the detection of birds based on whether their vocalizations were masked by traffic noise. Masked species detection was not affected by an increase in traffic noise amplitude, while there was a negative effect of traffic noise amplitude on unmasked species detection, …
Potential Impact Of Climate Change On The Distribution Of Alpine Tundra In The Adirondack Mountains Of New York, Terry Allard
Potential Impact Of Climate Change On The Distribution Of Alpine Tundra In The Adirondack Mountains Of New York, Terry Allard
Atmospheric & Environmental Sciences
Given the potential for significant changes in climate over the next century, understanding how biome locations may shift in response to these changes may be useful in informing conservation efforts. In this work the potential effect of climate change on the distribution of alpine tundra in the Adirondack Mountains of New York is examined. The ecological niche modelling software Maxent was used to analyze the distribution of alpine tundra relative to 30 year 800m PRISM climate normal data and terrain aspect over the Adirondacks. Random points from surveyed areas of alpine tundra in the Adirondacks were used as presence data …
Agricultural Intensification And Urbanization Negatively Impact Soil Nematode Richness And Abundance: A Meta-Analysis, Satyendra K. Pothula, Parwinder Grewal, Robert M. Auge, Arnold M. Saxton, Ernest C. Bernard
Agricultural Intensification And Urbanization Negatively Impact Soil Nematode Richness And Abundance: A Meta-Analysis, Satyendra K. Pothula, Parwinder Grewal, Robert M. Auge, Arnold M. Saxton, Ernest C. Bernard
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
Human activity has extensively transformed the land surface by agricultural intensification and urbanization. In soil, nematodes are the most abundant invertebrates. The effect of human interventions was assessed on overall richness, overall abundance, richness and abundance of nematodes of each trophic group and colonizer-persister (c-p) guild by comparing urban, agriculture and disturbed grassland (DGL) with natural grassland (NGL) and forest ecosystems. Meta-analyses were conducted to generate quantitative summaries from 111 published articles that met the inclusion criteria, 91 expressed data in grams and 20 expressed data in cm3. Results from data expressed per 100 g of soil indicated that overall …
The Planet, 2019, Spring, Emily Dietzel, Huxley College Of The Environment, Western Washington University
The Planet, 2019, Spring, Emily Dietzel, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Food Writing, Carol Ann Connare Ms
Food Writing, Carol Ann Connare Ms
Sustainability Education Resources
This advanced writing four-credit course approaches food writing from a news reporting perspective. The Pioneer Valley is home to a network of food producers, from farmers and cheesemakers to brewers and beekeepers. Students will travel into the field to meet people who make and grow what we eat, conducting interviews and collecting information to synthesize into multimedia stories for publication around themes such as health, history, travel, ecology, animal welfare, social change, nutrition, and home cooking. Students will experience the full spectrum of food writing—blogs, magazine articles, personal essays, reviews, recipes, social and cultural commentary—and create stories in a variety …
Management Recommendations For Ecological Restoration On The Little River Parcel, Maya Sady Partain, Garitt Mathews
Management Recommendations For Ecological Restoration On The Little River Parcel, Maya Sady Partain, Garitt Mathews
Environmental Science & Management Senior Capstones
Ecological restoration is an important aspect of land management. Data collection and ongoing monitoring help inform restoration decisions and determine their effectiveness. In this project, we followed a monitoring protocol provided by the Trinidad Coastal Land Trust to assess the 2019 status of their Little River parcel, a fifteen-acre area near the mouth of Little River in Trinidad, California. We performed a site analysis of invasive plant species and recorded their extent and location, as well as noting other observations of the ecology, topography, and biology of the site. After making our observations, we recommended land management methods woven together …
The Planet, 2019, Winter, Emily Stout, Huxley College Of The Environment, Western Washington University
The Planet, 2019, Winter, Emily Stout, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Vegetation Sensitivity During The Mid-Holocene Warming In Western Ohio, Kristin Kopera
Vegetation Sensitivity During The Mid-Holocene Warming In Western Ohio, Kristin Kopera
Browse all Theses and Dissertations
There has been a growing interest in prairie reconstruction in western Ohio, yet there are few recent academic sources supporting the claim that prairies appeared in western Ohio during the mid-Holocene. The hypsithermal was the warmest and driest part of the Holocene and occurred from 8,000-4,000 years ago in the Midwest. During the hypsithermal, the Prairie Peninsula appeared from Minnesota to eastern Ohio. If prairie did appear in Ohio, it occurred during the mid-Holocene hypsithermal. The goal of this study was to determine if western Ohio experienced a prairie period during the hypsithermal using pollen as a proxy for past …
Post-Glacial Fire History Of Horsetail Fen And Human-Environment Interactions In The Teanaway Area Of The Eastern Cascades, Washington, Serafina Ferri
Post-Glacial Fire History Of Horsetail Fen And Human-Environment Interactions In The Teanaway Area Of The Eastern Cascades, Washington, Serafina Ferri
All Master's Theses
Landscapes of the Pacific Northwest have been shaped by dramatic shifts in climate since the last glacial maximum and more recently, by human activity. However, it is unclear how past relationships between people, fire, and climate interacted on the landscape. The purpose of this research was to reconstruct the post-glacial fire history of a wetland known as Horsetail Fen, located in the Teanaway area of the eastern Cascades of Washington State. The goal was to evaluate how fire activity has varied under different climatic scenarios during the last ~16,000 years and in relation to human land-use actions. This lake was …
Everyone Can Grow! Winter Programming Using An Indoor Horticulture Environmental Education Program To Benefit Military Veterans, Rachel Elam
WWU Graduate School Collection
Working with plants has numerous physical, mental health and well-being benefits for people, and military veteran farming programs have been started to provide these benefits. However, these programs lack activities outside of the Washington State growing season which is approximately May to October. Since these programs are largely meant as ways for veterans to engage in community and peer support, the gap over winter is unacceptable for the purposes of supporting mental health. This project produced a winter environmental education curriculum for military vets, titled Everyone can Grow! (ECG!), and is designed to provide peer support and psychological …