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Full-Text Articles in Natural Resources and Conservation

Across-Ecoregion Analysis Suggests A Hierarchy Of Ecological Filters That Regulate Recruitment Of A Globally Invasive Fish, Przemek G. Bajer, Timothy K. Cross, Joseph D. Lechelt, Christopher J. Chizinski, Michael J. Weber, Peter W. Sorensen Jan 2015

Across-Ecoregion Analysis Suggests A Hierarchy Of Ecological Filters That Regulate Recruitment Of A Globally Invasive Fish, Przemek G. Bajer, Timothy K. Cross, Joseph D. Lechelt, Christopher J. Chizinski, Michael J. Weber, Peter W. Sorensen

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

Aim -- Even successful invaders are abundant only in a fraction of locales they inhabit. One of the main challenges in invasion ecology is explaining processes that drive these patterns. We investigated recruitment of a globally invasive fish, common carp (Cyprinus carpio), across three ecoregions to determine the role of environmental characteristics, predatory communities and propagule pressure on the invasion process at coarse and fine spatial scales.

Location -- Lakes across Northern Forest, Temperate Forest and Great Plains ecoregions of North America.

Methods -- We used data from 567 lakes to model presence or absence of carp recruitment …


Use Of Lidar-Derived Terrain And Vegetation Information In A Deciduous Forest In Kentucky, Wesley A. Staats Jan 2015

Use Of Lidar-Derived Terrain And Vegetation Information In A Deciduous Forest In Kentucky, Wesley A. Staats

Theses and Dissertations--Forestry and Natural Resources

The use of Light Detection and Ranging (LiDAR) information is gaining popularity, however its use has been limited in deciduous forests. This thesis describes two studies using LiDAR data in an Eastern Kentucky deciduous forest. The first study quantifies vertical error of LiDAR derived digital elevation models (DEMs) which describe the forests terrain. The study uses a new method which eliminates Global Positioning System (GPS) error. The study found that slope and slope variability both significantly affect DEM error and should be taken in to account when using LiDAR derived DEMs. The second study uses LiDAR derived forest vegetation and …


Quantifying Channel Responses To The Removal Of The Glines Canyon Dam In The Middle Reach Of The Elwha River, Washington, Bryon J. Free Jan 2015

Quantifying Channel Responses To The Removal Of The Glines Canyon Dam In The Middle Reach Of The Elwha River, Washington, Bryon J. Free

All Master's Theses

Four different study sites throughout the middle reach of the Elwha River were monitored before, during, and after the dam removal process over a period of two years from 2012-2014. The complexity of the river geometry was a major factor in the ability of the river to trap and accumulate the new influx of woody debris and sediment from the dam removal, which influenced the response of the river channel. The change that occurred was quantified by using repeat Terrestrial LiDAR (TLS), sediment distribution surveys, and large woody debris mapping techniques. The morphologic changes that occurred during this time were …


Acknowledgment Of Supporters, Utton Center, University Of New Mexico - School Of Law Jan 2015

Acknowledgment Of Supporters, Utton Center, University Of New Mexico - School Of Law

Water Matters!

List of supporters.


On Underestimation Of Global Vulnerability To Tree Mortality And Forest Die-Off From Hotter Drought In The Anthropocene, Craig D. Allen, David D. Breshears, Nate G. Mcdowell Jan 2015

On Underestimation Of Global Vulnerability To Tree Mortality And Forest Die-Off From Hotter Drought In The Anthropocene, Craig D. Allen, David D. Breshears, Nate G. Mcdowell

United States Geological Survey: Staff Publications

Patterns, mechanisms, projections, and consequences of tree mortality and associated broadscale forest die-off due to drought accompanied by warmer temperatures—‘‘hotter drought’’, an emerging characteristic of the Anthropocene—are the focus of rapidly expanding literature. Despite recent observational, experimental, and modeling studies suggesting increased vulnerability of trees to hotter drought and associated pests and pathogens, substantial debate remains among research, management and policy-making communities regarding future tree mortality risks. We summarize key mortalityrelevant findings, differentiating between those implying lesser versus greater levels of vulnerability. Evidence suggesting lesser vulnerability includes forest benefits of elevated [CO2] and increased water-use efficiency; observed and modeled increases …


Urban Flood Response Planning: Building Urban Resilience In Calgary And Toronto, Sarah Asrat Jan 2015

Urban Flood Response Planning: Building Urban Resilience In Calgary And Toronto, Sarah Asrat

Theses and Dissertations (Comprehensive)

Flooding is an increasing environmental concern for many Canadian cities. There is increasing awareness of climate change and its impacts on precipitation behavior and flooding in urban areas. Knowledge gaps were identified in the literature concerning urban flood response planning, uncertainty and preparedness planning. This study examines and compares urban flood response measures and resilience building for natural disasters in the Cities of Toronto and Calgary. Non-structural measures for flood risk reduction that include policies, decision-making and community engagement were examined by conducting a literature review and semi-structured interviews of individuals from six groups: provincial government, municipal government, conservation authority, …


Gis Analysis Of Brownfield Sites In The City Of Minneapolis, Shreya Vaidya Jan 2015

Gis Analysis Of Brownfield Sites In The City Of Minneapolis, Shreya Vaidya

All Graduate Theses, Dissertations, and Other Capstone Projects

Brownfield sites have many negative ramifications on a local area which includes loss of economy, decline in land use value and potential hazard to human health and the environment. Despite the efforts on redeveloping brownfields, Minnesota Pollution Control Agency (MPCA) claims that over 10,000 known contaminated or potentially contaminated sites remain across Minnesota and thousands are likely to exist but have not been identified and recorded. The objectives of this study are to map the brownfield sites in Minneapolis based on the information provided by the regulatory sources and to categorize and analyze all the sites on the basis of …


Registration Of ‘Newell’ Smooth Bromegrass, K P. Vogel, R B. Mitchell, B L. Waldron, M R. Haferkamp, J D. Berdahl, D D. Baltensperger, Galen Erickson, T J. Klopfenstein Dec 2014

Registration Of ‘Newell’ Smooth Bromegrass, K P. Vogel, R B. Mitchell, B L. Waldron, M R. Haferkamp, J D. Berdahl, D D. Baltensperger, Galen Erickson, T J. Klopfenstein

Green Canyon Environmental Research Area, Logan Utah

No abstract provided.


Examining The Effectiveness Of Ecotourism As A Funding Source For Protected Area Management In Guyana, Jordan S. Flagel Dec 2014

Examining The Effectiveness Of Ecotourism As A Funding Source For Protected Area Management In Guyana, Jordan S. Flagel

Masters Theses, 2010-2019

Protected areas in tropical rainforests serve many important ecosystem services, including carbon sequestration. These areas are often in need of donor or grant funding to operate as governments in tropical forested countries are not always able to provide adequate funds for protection. This paper focuses on the Iwokrama International Center for Rainforest Conservation and Development in the South American country of Guyana, which has had funding issues since the global economic crisis of 2008 and an accompanying shift in donor country financial priorities. Increasing the amount of sustainable ecotourism in the Iwokrama reserve was identified as a potential source for …


Speleoclimate Dynamics In Santana Cave (Petar, São Paulo State, Brazil): General Characterization And Implications For Tourist Management, Heros Augusto Santos Lobo, Paulo Cesar Boggiani, José Alexandre De Jesus Perinotto Dec 2014

Speleoclimate Dynamics In Santana Cave (Petar, São Paulo State, Brazil): General Characterization And Implications For Tourist Management, Heros Augusto Santos Lobo, Paulo Cesar Boggiani, José Alexandre De Jesus Perinotto

International Journal of Speleology

Show caves provide tourists with the opportunity to have close contact with natural underground spaces. However, visitation to these places also creates a need for management measures, mainly the definition of tourist carrying capacity. The present work describes the results of climate monitoring and atmospheric profiling performed in Santana Cave (Alto Ribeira State and Tourist Park – PETAR, Brazil) between 2008 and 2011. Based on the results, distinct preliminary zones with different levels of thermal variation were identified, which classify Santana Cave as a warm trap. Two critical points along the tourist route (Cristo and Encontro Halls) were identified where …


Determination Of Seasonal Crop Coefficients For The Cal Poly Campus Vineyard Using The “Paso Panel”, Daniel L. Vyenielo Dec 2014

Determination Of Seasonal Crop Coefficients For The Cal Poly Campus Vineyard Using The “Paso Panel”, Daniel L. Vyenielo

Wine and Viticulture

Seasonal Crop Coefficients were determined using the "Paso Panel" during the summer of 2014 at the Cal Poly Trestle Vineyard in the Pinot and Syrah blocks.


Fisheries Management Paper No.265 - Exmouth Gulf Prawn Managed Fishery Harvest Strategy 2014 - 2019 Version 1.0, Department Of Fisheries Western Australia Nov 2014

Fisheries Management Paper No.265 - Exmouth Gulf Prawn Managed Fishery Harvest Strategy 2014 - 2019 Version 1.0, Department Of Fisheries Western Australia

Fisheries Management Papers

This fishery-specific harvest strategy has been developed in line with the Department of Fisheries' (Department) over-arching Harvest Strategy Policy for Aquatic Resources (Department of Fisheries in prep.) and in consultation with licensees. The broad scope of the Harvest Strategy Policy for Aquatic Resources is consistent with the National Harvest Strategy Guidelines but as well as considering all retained target species, it also incorporates retained non-target species, bycatch' and other ecological components to ensure the risks to these elements are managed effectively.

The Exmouth Gulf Prawn Managed Fishery (EGPMF) harvest strategy outlines the longand short-term fishery-specific management objectives; a description of …


Use Of Remote Sensing Data In Determination Of Potential Influences On Drinking Water Quality For Rural Communities In A Developing Country, Kelly Hodgskins, Tim Klug, Daryl Ann Winstead, Megan Carter, Brian O'Neill Oct 2014

Use Of Remote Sensing Data In Determination Of Potential Influences On Drinking Water Quality For Rural Communities In A Developing Country, Kelly Hodgskins, Tim Klug, Daryl Ann Winstead, Megan Carter, Brian O'Neill

Von Braun Symposium Student Posters

No abstract provided.


Extraction And Empowerment: The Application Of Traditional Knowledge Within The Development Of The Nwt Bhp Ekati Diamond Mine, Daniel Vanclieaf Oct 2014

Extraction And Empowerment: The Application Of Traditional Knowledge Within The Development Of The Nwt Bhp Ekati Diamond Mine, Daniel Vanclieaf

Laurier Undergraduate Journal of the Arts

No abstract provided.


The Figure Of Bitu-Man, Paul Royster Oct 2014

The Figure Of Bitu-Man, Paul Royster

University of Nebraska-Lincoln Libraries: Faculty Publications

The ominously imposing figure in the above illustration is “the Syncrude bird deterrent device, locally known as ‘Bitu-man’.” He stands (or stood—the original image was from the late 1970s) in the tailings pond of the Syncrude Canada Ltd. oil sands mining operation along the Athabasca River near Fort McMurray in northeastern Alberta. That operation surface mines (i.e., strip mines) bitumen-impregnated sand, processes it with hot water and steam, and discharges the liquid effluent or “tailings” into a pond covering roughly 3000 hectares (11 square miles). (Google Map coordinates: 56.9°N, -111.3° W). Residue bitumen collects on the surface and poses a …


Droughtscape, Fall 2014, Kelly Smith Oct 2014

Droughtscape, Fall 2014, Kelly Smith

DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)

Contents

Director’s report

Upcoming events

Drought and climate summary

Drought impacts

Drought planning in Brazil

Ethiopian workshop

Visiting scholar

Help for South Plains ranchers

Wind River tribal workshop

Inter Tribal Buffalo Council

South Dakota ranch workshops


Warming, Competition, And Bromus Tectorum Population Growth Across An Elevation Gradient, Aldo Compagnoni, Peter B. Adler Sep 2014

Warming, Competition, And Bromus Tectorum Population Growth Across An Elevation Gradient, Aldo Compagnoni, Peter B. Adler

Green Canyon Environmental Research Area, Logan Utah

Cheatgrass (Bromus tectorum) is one of the most problematic invasive plant species in North America and climate change threatens to exacerbate its impacts. We conducted a two‐year field experiment to test the effect of warming, competition, and seed source on cheatgrass performance across an elevation gradient in northern Utah. We hypothesized that warming would increase cheatgrass performance, but that warming effects would be limited by competing vegetation and by local adaptation of cheatgrass seed sources. The warming treatment relied on open top chambers, we removed vegetation to assess the effect of competition from neighboring vegetation, and we reciprocally …


The Status Of Fishes In The Missouri River, Nebraska: Shovelnose Sturgeon (Scaphirhynchus Platorynchus), Kirk D. Steffensen, Sam Stukel, Dane A. Shuman Sep 2014

The Status Of Fishes In The Missouri River, Nebraska: Shovelnose Sturgeon (Scaphirhynchus Platorynchus), Kirk D. Steffensen, Sam Stukel, Dane A. Shuman

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

The Shovelnose Sturgeon Scaphirhynchus platorynchus remains the most abundant riverine sturgeon species in North American despite the anthropogenic modifications that have occurred throughout their historic range; however, their populations have declined throughout Nebraska since the construction of Fort Randall and Gavins Point Dams. Therefore, the objective of this study was to present the current status of Shovelnose Sturgeon in the Missouri River along Nebraska’s border. Data was acquired from 2003 to 2012 from all reaches of the Missouri River along Nebraska’s eastern border. Catch rates of Shovelnose Sturgeon increased in a downstream trend and were highest in the reach below …


Evaluation Of Evaporative Drivers And Hydrologic Influences Using Energy And Water Budget Techniques At A Shallow Saline Lake In The Western Sandhills Of Nebraska, Usa, Colin Peake Aug 2014

Evaluation Of Evaporative Drivers And Hydrologic Influences Using Energy And Water Budget Techniques At A Shallow Saline Lake In The Western Sandhills Of Nebraska, Usa, Colin Peake

School of Natural Resources: Dissertations, Theses, and Student Research

The western Sandhills of Nebraska contain many shallow lakes and wetlands that interact strongly with groundwater and the overlying atmosphere. The region is semi-arid, and most of the lakes are saline, supporting a wide range of ecosystems. Water levels and salt concentrations are highly sensitive to variations in precipitation, evaporation, and groundwater fluxes, making the Sandhills an excellent laboratory for examining the effects of climate on the water balance of interdunal lakes. In this study, we investigate the atmospheric controls on evaporation rates, as well as the water balance of Alkali Lake, one of the more saline lakes in the …


Droughtscape, Summer 2014, Kelly Smith Jul 2014

Droughtscape, Summer 2014, Kelly Smith

DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)

Contents

Director’s report

Outlook

Drought & climate summary

Drought impacts

International drought monitoring and planning

Visiting scholars

North American Drought Monitor Forum

New primary Dust Bowl source

New additions to online webinar archive

Community Capitals Framework Institute


Refining Dendrochronology To Evaluate The Relationship Between Age And Diameter For Dominant Riparian Trees In The Redwood Creek Watershed, Devin Barry May 2014

Refining Dendrochronology To Evaluate The Relationship Between Age And Diameter For Dominant Riparian Trees In The Redwood Creek Watershed, Devin Barry

Master's Projects and Capstones

Methods of dendrochronology by means of incremental coring

have been refined in this study for specific use in northern

California riparian floodplains. Little information is available

on riparian dendrochronology because of the challenges of

analyzing riparian tree species. Three dominant tree species

(Alnus rubra, Umbellularia californica, Acer macrophyllum)

in the floodplain of Redwood Creek were evaluated for the

relationship between age and diameter at breast height (DBH)

using a least squares linear regression analysis. Through this

study, complications with analysis for the riparian tree species

led to a more thorough investigation as to enhancing core

quality and annual growth ring …


Runnins River And Burr’S Pond 2013 Apr 2014

Runnins River And Burr’S Pond 2013

Watershed Access Lab Projects

No abstract provided.


Runnins River Biosurvey- 2013sy Apr 2014

Runnins River Biosurvey- 2013sy

Watershed Access Lab Projects

No abstract provided.


Water Analysis Of Abbott Run, North Attleboro, Ma Apr 2014

Water Analysis Of Abbott Run, North Attleboro, Ma

Watershed Access Lab Projects

No abstract provided.


Cambodia, Kingdom Of Water....Or Is It?, Jennifer Mendell Apr 2014

Cambodia, Kingdom Of Water....Or Is It?, Jennifer Mendell

Watershed Access Lab Projects

No abstract provided.


Extream Ecology: A Water Quality Assessment Of The Rumford River Apr 2014

Extream Ecology: A Water Quality Assessment Of The Rumford River

Watershed Access Lab Projects

No abstract provided.


The Agawam River - A Healthier River System - 10 Years Later Apr 2014

The Agawam River - A Healthier River System - 10 Years Later

Watershed Access Lab Projects

No abstract provided.


Tapping The Apocalypse & Healing With Intention, Julianne E. Henderson Ms. Apr 2014

Tapping The Apocalypse & Healing With Intention, Julianne E. Henderson Ms.

Creative Activity and Research Day - CARD

When crisis strikes, practical skills and strategies are critical to one's survival. However, one's positive mentality, relationship with and knowledge of his or her environment, and capacity for compassion when faced with an apocalyptic landscape are just as likely to boost their morale. Maintaining an optimistic consciousness assists human beings with survival, regardless of what level of adversity we face. This research project combines an important skill, which is knowing how to heal oneself naturally with what Nature provides, with the power of our consciousness to determine our success, strength, and overall capacity for withstanding the hurricanes of change.


Port Of Gloucester, Ma: Groundfish Port Recovery And Revitalization Plan By The City Of Gloucester, Urban Harbors Institute, University Of Massachusetts Boston, City Of Gloucester, Massachusetts Apr 2014

Port Of Gloucester, Ma: Groundfish Port Recovery And Revitalization Plan By The City Of Gloucester, Urban Harbors Institute, University Of Massachusetts Boston, City Of Gloucester, Massachusetts

Urban Harbors Institute Publications

This plan represents another step forward by the City of Gloucester to confront the challenge of declining groundfish stocks and subsequent management measures which have had a profound effect on the fishing industry, the community, and its economy. The plan’s strategies include both short-term recommendations to address the immediate direct impacts on harvesters, fresh fish processors, and associated support businesses, as well as longer-term proposals to bolster and support the industry as it recovers, and proposals to create new economic opportunities built upon Gloucester’s maritime assets, skills, and intellectual capital, and old and new partnerships. The Plan lays out the …


Climate Change In Southern New Hampshire: Past, Present And Future, Cameron P. Wake, Elizabeth A. Burakowski, Peter Wilkinson, Katharine Hayhoe, Anne Stoner, C. Keeley, Julie Labranche Apr 2014

Climate Change In Southern New Hampshire: Past, Present And Future, Cameron P. Wake, Elizabeth A. Burakowski, Peter Wilkinson, Katharine Hayhoe, Anne Stoner, C. Keeley, Julie Labranche

The Sustainability Institute Publications

EARTH’S CLIMATE CHANGES. It always has and always will. However, an extensive and growing body of scientific evidence indicates that human activities—including the burning of fossil fuel (coal, oil, and natural gas) for energy, clearing of forested lands for agriculture, and raising livestock—are now the primary force driving change in the Earth’s climate system. This report describes how the climate of southern New Hampshire has changed over the past century and how the future climate of the region will be affected by a warmer planet due to human activities.