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Full-Text Articles in Physical Sciences and Mathematics

Report Of The Nebraska Conservation And Soil Survey, G. E. Condra Jan 9999

Report Of The Nebraska Conservation And Soil Survey, G. E. Condra

Conservation and Survey Division

No abstract provided.


Jefferson Currents: Fall Volume 17, Issue 2, 2018 Dec 2018

Jefferson Currents: Fall Volume 17, Issue 2, 2018

Jefferson Currents: The Energy Conservation Newsletter

Jefferson Currents: Fall Volume 17, Issue 2, 2018


Jefferson Currents: Spring Volume 17, Issue 1, 2018 Dec 2018

Jefferson Currents: Spring Volume 17, Issue 1, 2018

Jefferson Currents: The Energy Conservation Newsletter

Jefferson Currents: Spring Volume 17, Issue 1, 2018


Relationships Among Biodiversity Dimensions Of Birds In Nebraska, Nadejda Mirochnitchenko Dec 2018

Relationships Among Biodiversity Dimensions Of Birds In Nebraska, Nadejda Mirochnitchenko

Dissertations & Theses in Natural Resources

Biological diversity, or biodiversity, is a multi-dimensional concept that can be decomposed to measure information about taxonomic, phylogenetic, and functional variation within communities. Although the dimensions of biodiversity are interrelated, the assumption that measuring one dimension of diversity can inform about patterns in another dimension does not necessarily follow from theory or empirical study. The relationships among biodiversity dimensions is not well understood, nor how differences among dimensions could influence conservation decision making. Using the avian community as a study system, we explored the relationships of breadth metrics from the taxonomic, phylogenetic, and functional dimensions among each other and across ...


Wild Bees Of Grand Staircase-Escalante National Monument: Richness, Abundance, And Spatio-Temporal Beta-Diversity, Olivia Messinger Carril, Terry Griswold, James Haefner, Joseph S. Wilson Nov 2018

Wild Bees Of Grand Staircase-Escalante National Monument: Richness, Abundance, And Spatio-Temporal Beta-Diversity, Olivia Messinger Carril, Terry Griswold, James Haefner, Joseph S. Wilson

All PIRU Publications

Interest in bees has grown dramatically in recent years in light of several studies that have reported widespread declines in bees and other pollinators. Investigating declines in wild bees can be difficult, however, due to the lack of faunal surveys that provide baseline data of bee richness and diversity. Protected lands such as national monuments and national parks can provide unique opportunities to learn about and monitor bee populations dynamics in a natural setting because the opportunity for large-scale changes to the landscape are reduced compared to unprotected lands. Here we report on a 4-year study of bees in Grand ...


Using Drones To Generate New Data For Conservation Insights, Paul Lorah, Alice Ready, Emma Rinn Aug 2018

Using Drones To Generate New Data For Conservation Insights, Paul Lorah, Alice Ready, Emma Rinn

International Journal of Geospatial and Environmental Research

Human impact on the environment is driving a decline in biodiversity that heightens the need for informed management of conservation lands. Unmanned aerial vehicles (UAVs), also known as drones, are an increasingly cost-effective tool for generating high-quality data used to map landscape features, analyze land cover change and assess the effectiveness of conservation efforts. Traditional sources of remotely sensed data such as satellites and aircraft can be costly, inflexible and unable to detect fine-scale surface variation. This paper explores the advantages (and challenges) of analyzing data collected by drones to generate useful conservation management insights. We focus on three key ...


Avian Jurisprudence And The Protection Of Migratory Birds In North America, Marshall A. Bowen Aug 2018

Avian Jurisprudence And The Protection Of Migratory Birds In North America, Marshall A. Bowen

St. Mary's Law Journal

Abstract forthcoming


An Evaluation Of Deterrent Methods Utilized To Prevent Crop Raiding By African Elephants (Loxodonta Africana) In The Kasigau Wildlife Corridor, Kenya, Rebecca Lynn Von Hagen Jul 2018

An Evaluation Of Deterrent Methods Utilized To Prevent Crop Raiding By African Elephants (Loxodonta Africana) In The Kasigau Wildlife Corridor, Kenya, Rebecca Lynn Von Hagen

Masters Theses & Specialist Projects

Escalating human elephant conflict (HEC) continues to be a contributing factor

towards elephant decline, and crop raiding is the most common form of negative

human-elephant interactions. For communities that cannot reverse or prevent crop

raiding, it is necessary to contain HEC events through deterrent measures. Few

deterrent measures exist that combine practicality and affordability while also

preventing habituation by elephants. This project focused on comparing the efficacy of

deterrent methods to assess which was the most successful at preventing elephants

from entering crops in the farming community of Sasenyi, Kenya. In this paired-control

study, four deterrent methods were evaluated: acacia ...


Cultural Politics Of Community-Based Conservation In The Buffer Zone Of Chitwan National Park, Nepal, Yogesh Dongol Jun 2018

Cultural Politics Of Community-Based Conservation In The Buffer Zone Of Chitwan National Park, Nepal, Yogesh Dongol

FIU Electronic Theses and Dissertations

The dissertation research examines the socio-economic and political effects of community-based conservation initiatives within the Bagmara buffer zone community forests of Chitwan National Park, Nepal. In particular, the study investigates the role of buffer zones creation in structuring the way rural property rights have been defined, negotiated, and contested, in reinforcing or reducing patterns of ethnic dominance and exclusion, and in influencing how cultural identities are constituted and renegotiated. Using a political ecology framework with a specific focus on theoretical concepts of environmentality and territorialization, I conducted 12 months ethnographic and quantitative survey field research in the buffer zone communities ...


Environmental Clearinghouse Of Schenectady, Kate Van Patten Jun 2018

Environmental Clearinghouse Of Schenectady, Kate Van Patten

Honors Theses

This paper analyses Environmental Clearinghouse of Schenectady, a local nonprofit environmental organization. The paper investigates the history of the organization as well as the effectiveness of its organizational and funding habits. A literary review was conducted to analyze the success of ECOS mission as well as the positive effects ECOS has on society using elements such as environmental education, the importance of early environmental education, how well the organization connects urban residents with the outdoors and the effectiveness of environmental programs. This research promotes the importance of early environmental education on our future generations health and environmental conditions. Additionally, through ...


Timber Wars And Aftermath In Northwest Coastal California, Richard Gienger May 2018

Timber Wars And Aftermath In Northwest Coastal California, Richard Gienger

Humboldt Journal of Social Relations

Abstract and other info uploaded below


Seabird Distribution And Oil & Gas Potential Along The Northern Sea Route, Russia: An Arctic Marine Conservation Case Study, Meghan Kelly May 2018

Seabird Distribution And Oil & Gas Potential Along The Northern Sea Route, Russia: An Arctic Marine Conservation Case Study, Meghan Kelly

International Development, Community and Environment (IDCE)

Seabirds are indicator species for the marine environment. Their populations are simultaneously affected by access to food resources and anthropogenic pressures including direct disturbance and habitat degradation associated with industrial development (Parsons et al. 2007). Therefore, using seabird distribution as a policy-relevant indicator for the Arctic marine environment supports an ecosystem based management approach aimed at protecting sensitive habitats from increased offshore oil and gas development.

This research identifies seabird habitat in the Russian Arctic utilizing in situ seabird observations from the Northern Sea Route to create a species distribution model. The spatial location of these areas will be compared ...


The Center For Creative Conservation: Fostering Novel Collaborations For Regional Sustainability, Sara Breslow, Joshua Lawler, Julian Olden, Spencer Wood Apr 2018

The Center For Creative Conservation: Fostering Novel Collaborations For Regional Sustainability, Sara Breslow, Joshua Lawler, Julian Olden, Spencer Wood

Salish Sea Ecosystem Conference

Broad environmental and social forces are affecting our regional ecosystems and impacting the communities who depend on them in diverse ways. Addressing these complex social-ecological challenges necessitates growth in the collective wisdom of society. The Center for Creative Conservation at the University of Washington is addressing this need by promoting innovative solutions to complex environmental problems through fostering collaborations across broadly diverse disciplines, sectors, and communities. We strive to learn and apply best practices of transdisciplinarity, meaning authentically engaging different modes of knowing toward novel and integrated ideas, methods, and applications. For example, we convene medical researchers with ecologists, urban ...


Noaa Rockfish Recovery Management And Research In The Salish Sea, Washington, James Selleck, Dan Tonnes Apr 2018

Noaa Rockfish Recovery Management And Research In The Salish Sea, Washington, James Selleck, Dan Tonnes

Salish Sea Ecosystem Conference

Rockfish are a long-lived species group that provide an important function for the food web dynamics in the Salish Sea, as both a mid-level trophic predator and important prey source, and they hold cultural significance to the region. Rockfish are comprised of over 25 different species locally, and over 60 species from California to Alaska. Many species experienced declines since the 1980’s, and two species are listed in the Salish Sea under ESA as threatened (yelloweye) or endangered (Bocaccio). Different species occupy a range of habitat types, from deep-water rock piles and hard bottom substrate, to nearshore kelp forests ...


To Catch The Rain: Inspiring Stories Of Communities Coming Together To Harvest Their Own Rain, And How You Can Do It Too, Lonny Grafman Apr 2018

To Catch The Rain: Inspiring Stories Of Communities Coming Together To Harvest Their Own Rain, And How You Can Do It Too, Lonny Grafman

Textbooks Series (imprint)

If water is life, rainwater is a fountain of life. The purpose of this book is to show how various communities have caught that fountain of life using rainwater catchment systems. This book looks at real, practical, global experiences of rainwater harvesting on individual, financially constrained, and community based levels through academic, mathematical and practical perspectives. This book can be used to learn practical skills, see inspiring examples, and to make math have more meaning. This book is for practitioners, DIYers, community members looking for water solutions, as well as for students and teachers in environmental science, environmental studies, sustainable ...


Analyzing The Efficiency Of Reforestation Efforts In Regaining Carbon Storage In A Costa Rican Cloud Forest, Elvin Irihamye Mar 2018

Analyzing The Efficiency Of Reforestation Efforts In Regaining Carbon Storage In A Costa Rican Cloud Forest, Elvin Irihamye

Student Research Conference Select Presentations

Forests hold an important place in offsetting carbon emissions, absorbing nearly 40 percent of man-made fossil fuel emissions every year. Over the last 100 years, the effects of deforestation have crippled our forest’s ability to store excess carbon, leading to drastic atmospheric change. Efforts to regrow deforested forests have increased rapidly to address issues like climate change. There is thus a need to analyze current efforts at regaining carbon storage, a critical component to maintaining atmospheric homeostasis. Accordingly, we traveled to the Cloudbridge Nature Reserve in San Gerardo, Costa Rica to aggregate data on the carbon storage capabilities across ...


The Coastal Monitor: Vol. 1, No. 1, John Tanacredi Ph.D. Feb 2018

The Coastal Monitor: Vol. 1, No. 1, John Tanacredi Ph.D.

Dr. John T. Tanacredi

The Center for Environmental Research and Coastal Oceans Monitoring (CERCOM) is a scientific coastal research center and field station dedicated to exploring our global coastal environments and near-shore oceans. CERCOM is the field station support facility for all sciences at Molloy College and services the degree programs of Biology, Chemistry, and Environmental Studies, with special attention to a B.S. degree in Earth and Environmental Studies. Located at the West Sayville Boat Basin on the Great South Bay, CERCOM is a 2,500 sq. ft. field station estuarine/ marine science laboratory where environmental monitoring and analysis is conducted 365 days ...


The Coastal Monitor: Vol. 1, No. 2, John Tanacredi Ph.D. Feb 2018

The Coastal Monitor: Vol. 1, No. 2, John Tanacredi Ph.D.

Dr. John T. Tanacredi

At a recent event a colleague asked me, “So what do you do at CERCOM?” My immediate response was the “M” word fundamentally! After 45 years involved in environmental sciences, monitoring remains the most important and critical aspect of not only any field station in support of the academics conducted, but the seminal responsibility to be able, as a scientist, to reveal trends in the massive volume of data collected through routine monitoring exercises. It is extremely rare for a single data point, or even a single season of data, no matter how accurate the individual data point is, to ...


The Coastal Monitor: Vol. 1, No. 3, John Tanacredi Ph.D. Feb 2018

The Coastal Monitor: Vol. 1, No. 3, John Tanacredi Ph.D.

Dr. John T. Tanacredi

Each fall I teach a course in “Ecology” and in the spring, “Marine Biology”; two seminal courses absolutely necessary and required to complete a BS Degree in Earth and Environmental Studies at Molloy College. To a large extent I draw on my 48 years of life experiences; flight meteorologist, “Hurricane Hunter” in the US Navy (1968-1970), environmental impact analyst with the US Coast Guard’s Bridge Administration on Governors Island (1974-1978); Coastal Barrier Parks Coordinator and Research Ecologist with the National Park Service (1978-2001); Research Associate in the Invertebrate Zoology Department at the American Museum of Natural History(1982-2000); Chairman ...


The Critically Endangered Forest Owlet Heteroglaux Blewitti Is Nested Within The Currently Recognized Athene Clade: A Century-Old Debate Addressed, Pankaj Koparde, Prachi Mehta, Sushma Reddy, Uma Ramakrishnan, Shomita Mukherjee, V. V. Robin Feb 2018

The Critically Endangered Forest Owlet Heteroglaux Blewitti Is Nested Within The Currently Recognized Athene Clade: A Century-Old Debate Addressed, Pankaj Koparde, Prachi Mehta, Sushma Reddy, Uma Ramakrishnan, Shomita Mukherjee, V. V. Robin

Biology: Faculty Publications and Other Works

Range-restricted species generally have specific niche requirements and may often have unique evolutionary histories. Unfortunately, many of these species severely lack basic research, resulting in poor conservation strategies. The phylogenetic relationship of the Critically Endangered Forest Owlet Heteroglaux blewitti has been the subject of a century-old debate. The current classifications based on non-phylogenetic comparisons of morphology place the small owls of Asia into three genera, namely, Athene, Glaucidium, and Heteroglaux. Based on morphological and anatomical data, H. blewitti has been alternatively hypothesized to belong within Athene, Glaucidium, or its own monotypic genus Heteroglaux. To test these competing hypotheses, we sequenced ...


Beyond The Nutrient Strategies: Common Ground To Accelerate Agricultural Water Quality Improvement In The Upper Midwest, Center For Watershed Protection, Inc., Laura Christianson, Matthew J. Helmers, Gregory Mcisaac, David Mulla, Walton Family Foundation Jan 2018

Beyond The Nutrient Strategies: Common Ground To Accelerate Agricultural Water Quality Improvement In The Upper Midwest, Center For Watershed Protection, Inc., Laura Christianson, Matthew J. Helmers, Gregory Mcisaac, David Mulla, Walton Family Foundation

Agricultural and Biosystems Engineering Publications

Nutrients in drainage waters from the Upper Mississippi River Basin states have been a well-documented contributor to the Gulf of Mexico hypoxic zone for decades, and in response, twelve states have developed strategies to address this issue, with Iowa, Minnesota, and Illinois performing rigorous science assessments which estimated nitrogen and phosphorus reduction effectiveness for numerous agricultural non-point source conservation practices. The practices identified in these strategies were compared to identify areas of consensus and discord on nutrient load reduction potentials. Additionally, each practice was assessed for (1) the suitability to stack or be layered with other practices (stackability), (2) the ...


Protected Area Planning And Management: Supporting Local Stakeholder Participation With An Asset-Based, Biocultural Approach, Nicole M. Wengerd Jan 2018

Protected Area Planning And Management: Supporting Local Stakeholder Participation With An Asset-Based, Biocultural Approach, Nicole M. Wengerd

Dissertations & Theses

Given the uncertainties and risks of anthropogenic climate change, the urgency to conserve biodiversity has renewed urgency that has prompted a number of international forums, treaties, and agencies to advocate for the establishment of new and/or expansion of existing protected areas. One of the most broadly recognized efforts to expand the global protected area network can be found in the Aichi Biodiversity Targets, outlined in the Convention on Biological Diversity Strategic Plan for 2011-2020, adopted in 2010 by 196 countries. Target 11 calls for the expansion of terrestrail and inland water areas, as well as coastal marine areas. While ...


Geospatial Methods For Aquatic Conservation: Topeka Shiner Restoration Site Selection And The Development Of An Iowa Watershed Health Assessment, Courtney Lynn Zambory Jan 2018

Geospatial Methods For Aquatic Conservation: Topeka Shiner Restoration Site Selection And The Development Of An Iowa Watershed Health Assessment, Courtney Lynn Zambory

Graduate Theses and Dissertations

The conversion of native ecosystems to agricultural landscapes often has profound impacts not only on the terrestrial environment, but also on aquatic ecosystems. Loss of perennial riparian vegetation, intensive installation of tile drainage, expansion of drainage ditches, and channelization of streams lead to the loss of lateral stream connectivity to the floodplain. In Iowa and Minnesota, restoration of off-channel habitats, also called oxbows, by the U.S. Fish and Wildlife Service (USFWS) are underway to both restore this connectivity and provide habitat for the conservation of the endangered Topeka Shiner (Notropis topeka). As oxbow restorations continue and expand to other ...


Biochar As A Soil Amendment For Willow And Cottonwood Plantings In A Riparian Restoration, Brian Clyde Sechler Jan 2018

Biochar As A Soil Amendment For Willow And Cottonwood Plantings In A Riparian Restoration, Brian Clyde Sechler

Ecology & Evolutionary Biology Graduate Theses & Dissertations

Riparian areas provide some of the most valuable ecosystem services of any habitat type, both for native flora and wildlife, as well as human society. The global degradation of these critical systems makes their restoration imperative for the preservation of overall ecological integrity since depleted riparian corridors will have cascading effects that pervade upland and downstream regions alike. In western river systems there are two key limiting factors that can lead to failures during re-vegetation efforts along riparian stream banks: one is a lack of available soil nutrients, and the other is a lack of soil moisture. Biochar has been ...


Occurrence, Abundance, And Associations Of Topeka Shiners And Species Of Greatest Conservation Need In Streams And Oxbows Of Iowa And Minnesota, Nicholas Simpson Jan 2018

Occurrence, Abundance, And Associations Of Topeka Shiners And Species Of Greatest Conservation Need In Streams And Oxbows Of Iowa And Minnesota, Nicholas Simpson

Graduate Theses and Dissertations

Since settlement, the landscape of the Midwestern United States has undergone many changes. In Iowa and southern Minnesota, approximately 70-80% of land is in agricultural production. Agricultural practices often involve substantial modifications to existing streams. Many streams in Iowa and southern Minnesota have been channelized to aid in removal of excess water from crop fields. Channelization results in not only more homogenous habitat in the stream channel, but also leads to less connectivity between the stream and its floodplain. Many fish species have evolved to prefer particular habitat features, such as riffles, pools, and off-channel habitat. Because these habitats are ...


Knowing Water: Science And The Politics Of Knowledge Production Along The Saw Kill, Carlo Diego Raimondo Jan 2018

Knowing Water: Science And The Politics Of Knowledge Production Along The Saw Kill, Carlo Diego Raimondo

Senior Projects Spring 2018

Beginning with globally oriented ideological constructions of water as resource, this project explores the materiality of water and how it comes to understood within our current geological era. Specifically exploring the politics of scientific knowledge production, I follow the methodological processes of the Bard Water Lab as they monitor water quality of a local stream, exploring how different apparatuses of observation are utilized in order to make a stream a legible and knowable object.


An Analysis Of Bmps And Their Combined Effectiveness At Reducing Nitrate-Nitrogen Export To The Black Hawk Lake Watershed, Iowa, Katherine Van Der Woude Jan 2018

An Analysis Of Bmps And Their Combined Effectiveness At Reducing Nitrate-Nitrogen Export To The Black Hawk Lake Watershed, Iowa, Katherine Van Der Woude

Graduate Theses and Dissertations

Subsurface tile drainage systems have transformed Iowa’s prairie pothole ecosystem, enabling the United States Corn Belt to become one of the most agriculturally productive areas in the world; however, an unintended consequence has been increased nitrogen losses to surface waters. The literature contains numerous field and plot studies focusing on a single practice, but catchment-scale studies of multi-process best management practices (BMPs) are lacking, which mirrors the rarity of these alternative management practices on the landscape. Nitrate losses were monitored at five sites, two surface, two tile outlets, and a grass waterway, in three subwatersheds of Iowa’s Black ...


The Effect Of Size On Juvenile Green Sturgeon (Acipenser Medirostris) Behavior Near Water-Diversion Fish Screens, Jamilynn B. Poletto, Dennis E. Cocherell, Natalie Ho, Joseph J. Cech Jr., A. Peter Klimley, Nann A. Fangue Jan 2018

The Effect Of Size On Juvenile Green Sturgeon (Acipenser Medirostris) Behavior Near Water-Diversion Fish Screens, Jamilynn B. Poletto, Dennis E. Cocherell, Natalie Ho, Joseph J. Cech Jr., A. Peter Klimley, Nann A. Fangue

Nebraska Cooperative Fish & Wildlife Research Unit -- Staff Publications

Anthropogenic water management projects and facilities that alter the local and regional hydrology of riverine environments greatly influence the behavior, physiology, and survival of native fishes. To mitigate for losses of native fishes at these structures, many are outfitted with fish-exclusion screens to reduce entrainment. The effect of fish size and age on behavior near fish screens, however, is largely unknown. Therefore, we tested two size classes of juvenile green sturgeon (Acipenser medirostris; small, early juveniles: 9.2 ± 0.2 cm fork length [FL], 6.9 ± 0.3 g; intermediate juveniles: 18.8 ± 0.2 cm FL, 36.9 ± 0 ...


Quantitative Conservation Of The Gray Wolf (Canis Lupus): Implications Of Monitoring And Modeling The Yellowstone Wolves, Michael Procko Jan 2018

Quantitative Conservation Of The Gray Wolf (Canis Lupus): Implications Of Monitoring And Modeling The Yellowstone Wolves, Michael Procko

Undergraduate Honors Theses

The 1995 reintroduction of wolves to the Greater Yellowstone ecosystem had lasting effects on our understanding of reintroduction biology as a whole. However, continued study of a system as complex and intricately interwoven as this should be done with minimal human influence on the ecosystem. The states comprising the tri-state area surrounding Yellowstone National Park—Wyoming, Idaho, and Montana—have recently delisted wolves from the endangered species list. Here, I assess the greater implications in conservation that can be deduced from quantitative analysis of the Yellowstone wolves, and question whether the species is, in fact, stable enough for delisting in ...


A Case-Study Of The African Leopard (Panthera Pardus Pardus) Population On The Nambiti Private Game Reserve, Erica Castaneda Jan 2018

A Case-Study Of The African Leopard (Panthera Pardus Pardus) Population On The Nambiti Private Game Reserve, Erica Castaneda

Honors Undergraduate Theses

The Nambiti Private Game Reserve in KwaZulu-Natal, South Africa is a nature reserve that aids in the conservation of some of the world’s most renown species. This includes members of the "Big Five," which is comprised of the African lion (Panthera leo), the African elephant (Loxidonta africana), the Cape buffalo (Syncerus caffer), the black & white rhinoceroses (Diceros bicornis and Ceratotherium simum, respectively), and the African leopard (Panthera pardus pardus). These animals represent the top five African animals desired by trophy hunters and by tourists hoping to view wildlife (Caro & Riggio, 2014). While studies concerning the African leopard population status have been completed on surrounding game reserves (Balme et al., 2009; Chapman & Balme, 2010), there have not been any studies done investigating the African leopard population on Nambiti. It is important that the population on Nambiti be identified since conservation management of leopards is largely influenced by their population numbers. For example, southern African countries rely ...