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Full-Text Articles in Physical Sciences and Mathematics
Environmental Racism In A Growing City: Investigating Demographic Shifts In Salt Lake City's Polluted Neighborhoods, Emma Nathel Jones
Environmental Racism In A Growing City: Investigating Demographic Shifts In Salt Lake City's Polluted Neighborhoods, Emma Nathel Jones
Undergraduate Honors Capstone Projects
Studies investigating the spatial distribution of environmental hazards have repeatedly demonstrated the existence of environmental racism -- the disproportionate impact of environmental hazards on communities of color. We aim to contribute to research on environmental racism by asking how relationships between race and hazard exposure change over time. Our study area, Salt Lake City (SLC), UT, USA is one of the largest cities in the intermountain west and is expected to see continued population growth. SLC was 99% white from 1860-1950. 2019 census estimates indicate that SLC is becoming more racially diverse with 35.6% of the population identifying as racial …
Impacts Of Hydroelectric Dams On Aquatic Macroinvertebrate Oviposition Strategies: The Role Of Desiccation, Jesse R. Fleri
Impacts Of Hydroelectric Dams On Aquatic Macroinvertebrate Oviposition Strategies: The Role Of Desiccation, Jesse R. Fleri
Undergraduate Honors Capstone Projects
Previous studies quantifying the density, distribution and diversity of aquatic insects overwhelmingly focus on larval life stages. However, many aquatic insects exhibit selective oviposition behaviors, with a preference for emergent substrates along a river's edge. The practice of hydropeaking creates an artificial intertidal zone that is absent from natural rivers and to which freshwater organisms are not adapted. We hypothesized that this novel disturbance could reduce the availability and temporal persistence of oviposition habitats resulting in egg mortality. To test this hypothesis, we quantified the oviposition behavior of four aquatic insects using a hierarchical field survey of habitat availability and …
Stomatal Differences In Western Aspen And Linkage To Drought Tolerance, Brianne Palmer
Stomatal Differences In Western Aspen And Linkage To Drought Tolerance, Brianne Palmer
Undergraduate Honors Capstone Projects
Aspen (Populus tremuloides) is the most widely distributed broadleaf forest tree in North America. However, aspen are declining rapidly in areas of the Intermountain West. Aspen in this area are prone to experiencing limited moisture and high temperatures. An important aspect of plant physiology when dealing with these stressors is stomatal function. Stomata control the rate of photosynthesis, therefore, the size and frequency of the stomata is likely to influence the survival of the species in this environment.
An unusual feature of aspen is the high frequency of triploidy in the southern portion of its range. Stomata! size …
Biodiversity Prioritization: A Comparison Of Data Types, Kari Norman
Biodiversity Prioritization: A Comparison Of Data Types, Kari Norman
Undergraduate Honors Capstone Projects
The identification of important areas for biodiversity is essential for effective allocation of limited conservation resources. Prioritizing regions for conservation based on biodiversity is typically done using global biodiversity maps created using range map data for one or more taxa. While the use of range maps makes pragmatic sense since large-scale survey data is rarely available, it is important to understand the sensitivity of the results to the use of range map data. We studied how prioritizations may change between data types using the North American Breeding Bird survey (BBS) and BirdLife International range maps as a comparison case study. …
Recreational Use Of Montane Streams Of The Puerto Rican Rainforest, Summer Kartchner
Recreational Use Of Montane Streams Of The Puerto Rican Rainforest, Summer Kartchner
Undergraduate Honors Capstone Projects
As the population of the small island of Puerto Rico increases, so do the number of recreationists in natural areas. With increasing pressure on finite resources, managers must understand how humans are using these resources in order to conserve without limiting visitor satisfaction.