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Articles 1 - 20 of 20
Full-Text Articles in Life Sciences
Similarity Of Climate Change Data For Antarctica And Nevada, Corbin Benally, Shahram Latifi, Karletta Chief
Similarity Of Climate Change Data For Antarctica And Nevada, Corbin Benally, Shahram Latifi, Karletta Chief
Undergraduate Research Opportunities Program (UROP)
The correlation between temperature and carbon dioxide concentration in the past one hundred years is studied. Separate graphs containing data from Vostok, Antarctica and the Mojave desert/mountain west (Nevada region) are presented. Using data obtained from these graphs, an attempt is made to explain the results and investigate the similarity of these results for Antarctica and Nevada. The importance of this study lies in the fact that if data show the same trend in the two regions, many findings for climate change in Antarctica may readily be validated and employed for Nevada.
The Endosymbiotic Relationship Of Leguminosae (Fabaceae) And Rhizobium, Sabrina Mcgee, Dolores Maceda, Maria Bustos, Maryknoll Palisoc, Rachel Dahl
The Endosymbiotic Relationship Of Leguminosae (Fabaceae) And Rhizobium, Sabrina Mcgee, Dolores Maceda, Maria Bustos, Maryknoll Palisoc, Rachel Dahl
Undergraduate Research Opportunities Program (UROP)
This project will look at The Endosymbiotic Relationship of Leguminosae (Fabaceae) and Rizobioum. Endoysmbiosis Theory is the concept that mitochondria and chloroplasts are the result of years of evolution initiated by the endocytosis, (the process by which cells absorb material through their cell membrane) of bacteria and algae which, instead of becoming digested, became symbiotic.The mitochondria of eukaryotes evolved from aerobic bacteria, probably rickettsias, living within their host cell and the chloroplasts from cyanobacteria, also known as blue-green algae. Endoysmbiosis is a type of symbiosis in which one organism lives inside the body of another and both function as a …
The Effects Of Food Quality On Preference And Incurred Risk In White-Tailed Deer (Odocoileus Virginianus), Travis Perlman, Jacob Stanton
The Effects Of Food Quality On Preference And Incurred Risk In White-Tailed Deer (Odocoileus Virginianus), Travis Perlman, Jacob Stanton
Undergraduate Research Conference
An observational study was concluded in Nacogdoches County, Texas, to determine if free-range white-tailed deer (Odocoileus virginianus) could assess forage value. Multiple parameters were recorded to determine if individuals were willing to incur hight levels of risk as they sought to maximize their fitness, through dietary selection. Our results indicated that individuals were willing to incur higher levels of risk, in order to attain higher quality food items.
Habitat Preference Of Nitrophila Species, Kari Hugie
Habitat Preference Of Nitrophila Species, Kari Hugie
Undergraduate Research Conference
Nitrophila occidentalis and Nirophlia mohavensis are both members of the same Family and Genus, and they both are found in the Great Basin region. They are the only members of the Genus Nitrophila native to the United States. Nitrophila occidentalisflourishes in the Great Basin, but Nitrophila mohavensis is endangered and limited to a few populations. Habitat analysis was done to the two species using GIS (Geographical Information Systems) to gain some new insight on how to preserve this endangered species. A discrete difference in soil alkalinity preference was found, which may help in saving N. mohavensis.
Assessing Invasive Plant Species As Threats In Mojave Desert Parks, Sara L. Mcpherson, Donovan J. Craig, Scott R. Abella
Assessing Invasive Plant Species As Threats In Mojave Desert Parks, Sara L. Mcpherson, Donovan J. Craig, Scott R. Abella
Graduate Research Symposium (GCUA) (2010 - 2017)
The invasion and persistence of exotic plant species threatens the natural features that national parks are designed to protect. For example, park managers have witnessed an increase in the frequency, extent and intensity of fires along with a reduction in native species richness and diversity. Many park managers are familiar with a suite of highly invasive plants, but lack a comprehensive and systematic way of prioritizing invasive plant species based on potential threats to the parks’ resources. We have entered into a collaborative project with the National Park Service’s Inventory and Monitoring program to develop an invasive plant early detection …
29 Years Of Vegetation Community Change Across Environmental Gradients In A Mojave Desert Mountain Range, Christopher L. Roberts, James S. Holland, Scott R. Abella
29 Years Of Vegetation Community Change Across Environmental Gradients In A Mojave Desert Mountain Range, Christopher L. Roberts, James S. Holland, Scott R. Abella
Graduate Research Symposium (GCUA) (2010 - 2017)
There is a great deal of uncertainty as to how biological communities respond to changes in land use and climate change, a situation particularly relevant in protected areas such as national parks that were designated to conserve specific biological features. Utilizing extant vegetation data sets with repeatable methodology can provide opportunities for insight into previous vegetation change and provide base line data for long-term monitoring projects useful for modeling vegetation community trajectories. We have relocated and resurveyed 106 sites from a vegetation community study initiated in 1979 in the Newberry Mountains, southern Nevada, within Lake Mead National Recreation Area managed …
Water Source Partitioning For Shrubland Transpiration Using Innovative Field Methods, Dale A. Devitt, Michael Young, Matthew S. Lachniet, Jeremy Koonce, Amanda Wagner, Brian M. Bird, J. Healey
Water Source Partitioning For Shrubland Transpiration Using Innovative Field Methods, Dale A. Devitt, Michael Young, Matthew S. Lachniet, Jeremy Koonce, Amanda Wagner, Brian M. Bird, J. Healey
2010 Annual Nevada NSF EPSCoR Climate Change Conference
37 PowerPoint slides Convener: Franco Biondi, UNR & Michael Young, DRI Session 4: Ecological Change and Water Resources Abstract: -Climate change models predict a decline in precipitation over the next few decades throughout much of the southwest. -Such change has the potential to shift water uptake dynamics of phreatophytes -If groundwater pumping also occurs, the impact of climate change could be exacerbated. -A better understanding of the forces that drive the coupling and decoupling of phreatophytes to groundwater is needed.
Design And Status Of The Elevationl Transect And Monitoring Systems For Nevada’S Nsf Epscor Climate Change Research Program, Brian M. Bird, Scotty Strachan, David B. Simeral, Richard L. Jasoni
Design And Status Of The Elevationl Transect And Monitoring Systems For Nevada’S Nsf Epscor Climate Change Research Program, Brian M. Bird, Scotty Strachan, David B. Simeral, Richard L. Jasoni
2010 Annual Nevada NSF EPSCoR Climate Change Conference
15 PowerPoint slides Convener: Franco Biondi, UNR & Michael Young, DRI Session 4: Ecological Change and Water Resources Abstract: -Current status of Transects -Sheep Range Transect (5 sites) fully permitted through Fish and Wildlife Service. -Site access agreement acquired from the Long Now Foundation for Snake Range (sites 1, 2 and 3). -Snake Range site 4 access granted through the Nevada Land Conservatory. -Waiting for site permit approval on sites 8,9 and 6,7 from BLM and GBNP respectively. -Tower installed at North Las Vegas UWCC for testing of sensors and communications. -Installation of towers will begin winter 2010 at lower …
Biotic Responses To Climate Change In The Great Basin And Mojave Desert: Vegetation, David Charlet, Patrick Leary
Biotic Responses To Climate Change In The Great Basin And Mojave Desert: Vegetation, David Charlet, Patrick Leary
2010 Annual Nevada NSF EPSCoR Climate Change Conference
84 PowerPoint slides Convener: Franco Biondi, UNR & Michael Young, DRI Session 4: Ecological Change and Water Resources Abstract: -The Problem -To detect changes in vegetation as it responds to changes in climate, we must first know where the vegetation is now -GAP (Geographic Approach to Protection of Biodiversity) map --National project to map land cover throughout the US. --Nevada map (Edwards et al. 1996) -Southwest ReGAP map --Land cover map for southwestern US (Prior-Magee et al. 2007) to correct problems identified in GAP map
Geovisualization Of Ecological Data For Park Policy Support, Scott R. Abella, Haroon Stephen, Ross Guida
Geovisualization Of Ecological Data For Park Policy Support, Scott R. Abella, Haroon Stephen, Ross Guida
2010 Annual Nevada NSF EPSCoR Climate Change Conference
12 PowerPoint slides Convener: William Smith, UNLV Session 3: Policy, Decision Making, and Outreach Abstract: -Literature shows upward elevation shifts of biological species as a result of climate change -Effects of climate change expected to accelerate in coming decades -Concern both about species migrating out of parks and the potential inability of species to quickly adapt to the changing conditions within National Parks and other federal land boundaries
Research Poster: Physiological Responses Of Two Invasive Annual Grasses, Cheatgrass And Red Brome, In The Great Basin, L. Hernandez, R. Nowak, L. Salto
Research Poster: Physiological Responses Of Two Invasive Annual Grasses, Cheatgrass And Red Brome, In The Great Basin, L. Hernandez, R. Nowak, L. Salto
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Vegetation Change In The Newberry Mountains Of Southern Nevada, Ross Guida, William J. Smith Jr., Scott R. Abella
Research Poster: Vegetation Change In The Newberry Mountains Of Southern Nevada, Ross Guida, William J. Smith Jr., Scott R. Abella
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Climate Change Impacts To Groundwater, Springs Hydrology And Aquatic Communities Amargosa Desert And Death Valley National Park, Nevada And California, Terry Fisk, Greg Pohll, Don Sada, Mark Stone
Research Poster: Climate Change Impacts To Groundwater, Springs Hydrology And Aquatic Communities Amargosa Desert And Death Valley National Park, Nevada And California, Terry Fisk, Greg Pohll, Don Sada, Mark Stone
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Climate Change Science For Northern Nevada Educators, Melissa Slayden, Jacque Ewing-Taylor, Kelly Cannon
Research Poster: Climate Change Science For Northern Nevada Educators, Melissa Slayden, Jacque Ewing-Taylor, Kelly Cannon
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Quaternary Biogeography Of Neotoma Cinerea: Linking Genetic Patterns With Environmental Change, Angela D. Hornsby, Majorie D. Matocq
Research Poster: Quaternary Biogeography Of Neotoma Cinerea: Linking Genetic Patterns With Environmental Change, Angela D. Hornsby, Majorie D. Matocq
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Clark County School District Involvement In The Nsf Epscor Program, Education Component, Aubrey M. Shirk, Larry Rudd, Paul Buck
Research Poster: Clark County School District Involvement In The Nsf Epscor Program, Education Component, Aubrey M. Shirk, Larry Rudd, Paul Buck
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Tree Population Dynamics At Ash Meadows National Wildlife Refuge: Influences Of Environmental Stress And Disturbance, Sarah L. Karam, Peter J. Weisberg, Stephanie O. Sunderman
Research Poster: Tree Population Dynamics At Ash Meadows National Wildlife Refuge: Influences Of Environmental Stress And Disturbance, Sarah L. Karam, Peter J. Weisberg, Stephanie O. Sunderman
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Water Source Partitioning For Shrubland Transpiration Using Innovative Field Methods, Amanda Wagner, Dale A. Devitt, Michael Young, Matthew S. Lachniet, Jeremy Koonce, Brian M. Bird
Research Poster: Water Source Partitioning For Shrubland Transpiration Using Innovative Field Methods, Amanda Wagner, Dale A. Devitt, Michael Young, Matthew S. Lachniet, Jeremy Koonce, Brian M. Bird
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Research Poster: Biotic Responses To Climate Change In The Mojave Desert: Floristics, Patrick Leary, David Charlet
Research Poster: Biotic Responses To Climate Change In The Mojave Desert: Floristics, Patrick Leary, David Charlet
2010 Annual Nevada NSF EPSCoR Climate Change Conference
Research poster
Climate Change Education For Nevada, David M. Hassenzahl, Michael Collopy, John W. Farley, Paul Buck, Jacque Ewing-Taylor, Shama Perveen
Climate Change Education For Nevada, David M. Hassenzahl, Michael Collopy, John W. Farley, Paul Buck, Jacque Ewing-Taylor, Shama Perveen
2010 Annual Nevada NSF EPSCoR Climate Change Conference
42 PowerPoint slides Session 1: Education Convener: David Hassenzahl, UNLV Abstract: -Five Year Strategic Plan -Goal 6 - Create a scholarly environment to promote research skills and intellectual development for Nevada educators and students (K-12, undergraduate undergraduate, and graduate) -Primary Strategy - Develop educational infrastructure to train students at all levels and provide public outreach in climate change issues