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Physical and Environmental Geography Commons™
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Articles 1 - 3 of 3
Full-Text Articles in Physical and Environmental Geography
Association Between Stream Impairment By Mercury And Superfund Sites In The Conterminous Usa, Karessa L. Manning
Association Between Stream Impairment By Mercury And Superfund Sites In The Conterminous Usa, Karessa L. Manning
Masters Theses
Mercury is a natural element that can cause harm to the brain, heart, kidneys, lungs, and immune system, especially to fetuses developing in the womb. Many natural and anthropogenic factors contribute to mercury in the environment, such as geologic deposits, landfills, gold and silver mining operations, cement production, and atmospheric deposition. Mercury has been identified as a contaminant of concern at many National Priority List (NPL) sites, however, studies on contamination at NPL sites are often only conducted on a local level. This study was to analyze the potential connection between mercury-contaminated NPL sites and the presence of mercury impaired …
Using Historical Maps For Contaminated Site Identification And Prediction, And Environmental Justice Implications: A Case Study In Grand Rapids, Michigan, Dana Heusinkveld
Using Historical Maps For Contaminated Site Identification And Prediction, And Environmental Justice Implications: A Case Study In Grand Rapids, Michigan, Dana Heusinkveld
Masters Theses
As the production of synthetic chemicals has grown in the past centuries to increase production, lower costs, and generally make our lives more convenient, detecting and understanding the environmental impacts of these compounds has lagged significantly behind their mass production and wide-spread use. To combat this trend, sources of these contaminants, especially those that have been removed from the landscape, need to be quickly identified to make mitigation and remediation efforts more effective. In this study, historical Sanborn maps are used to extract and digitize historical site/land use in Grand Rapids during the early 1900s through the practical application of …
Creating A Distribution Model Of Invasive Rusty Crayfish (Faxonius Rusticus) In Michigan Streams Using Publically Accessible Data, Robert C. Homan
Creating A Distribution Model Of Invasive Rusty Crayfish (Faxonius Rusticus) In Michigan Streams Using Publically Accessible Data, Robert C. Homan
Masters Theses
The purpose of this thesis is to create a predictive model of habitat suitability for the invasive rusty crayfish (Faxonius rusticus) throughout the state of Michigan. F. rusticus often outcompete and extirpate native crayfish species, so understanding their habitats of success is instrumental in monitoring vulnerable ecosystems. Michigan State University and the Michigan DNR conducted extensive field surveys across 461 streams sites from 2014-2016. This project compares this field data set to data from publicly available national datasets with the purpose of revealing the ecosystems most vulnerable to the introduction of F. rusticus. The pattern of F. rusticus …