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Articles 1 - 5 of 5
Full-Text Articles in Physical Sciences and Mathematics
Quick Guide To Plant Families Of Western Washington, Maggie Hayward, John D. Tuxill, James M. Helfield
Quick Guide To Plant Families Of Western Washington, Maggie Hayward, John D. Tuxill, James M. Helfield
WWU Honors College Senior Projects
This guide is an expanded version of a booklet designed to help students identify native plants in western Washington. It has been expanded to include invasive and ruderal taxa commonly found in riparian areas. The purpose of this guide is to provide practical help for identifying plant families, and to facilitate a basic understanding of plant morphology. By observing morphological characteristics such as leaf arrangement and structure, the user can narrow an unidentified species down to the family level. Because this book does not go to the species level, it is meant to be used as a companion to other …
Do Men Matter? In Statistics, Probably, Michael Kelly
Do Men Matter? In Statistics, Probably, Michael Kelly
WWU Honors College Senior Projects
In statistical genetics, there are several parameters of a dataset which a researcher might, but which are difficult to estimate in practice. In this paper, we will be focusing on allele frequencies, null alleles, inbreeding coefficients and, to a certain extent, beta values. A common technique for obtaining these values, developed by Amy Anderson and her co-workers, is to jointly estimate all of them using an EM-algorithm and the method of maximum likelihood. Despite this technique being effective in general, it is currently unable to deal with males at X-linked markers. The purpose of this project is to modify the …
Preliminary Impacts Of Constructed Log Jams On Streambed Topography And Bed Temperature On The South Fork Nooksack River, Sam Kaiser
WWU Honors College Senior Projects
Salmon are an essential part of the culture, ecology and economy of the Pacific Northwest region of North America, but populations of some ecotypes are declining. One specific population, the Puget Sound chinook (Oncorhynchus tshawytscha), is listed as threatened under terms of the U.S. Endangered Species Act (ESA). The decline of this ecotype has implications not only for humans but also for all links of the ecosystem such as the populations of southern resident killer whales (Orcinus orca) which prey predominately on chinook salmon. Major threats to these fish include overharvest and habitat degradation due to …
Equity In Stem: Utilizing Student Experience To Better Inform Policy And Practice, Natasha Hessami
Equity In Stem: Utilizing Student Experience To Better Inform Policy And Practice, Natasha Hessami
WWU Honors College Senior Projects
As women and people of color continue to pursue higher education and other advanced degrees, the STEM field consistently lags behind in diverse representation and leadership. There is a critical need to address the structural barriers marginalized groups face to accessing and succeeding in STEM and invest both time and money into innovative student-centered solutions. This project outlines the development of the CSE Student Ambassador program and implementation recommendations, the development and presentation of seminars focused on equity in the Biology and Chemistry departments, and general recommendations for faculty to make classroom and lab spaces more inclusive.
Temporal And Spatial Variability Of Carbonate Chemistry In A Tillamook Bay Tributary: Tracing Acidification From The River To The Bay, Abigail Ernest-Beck
Temporal And Spatial Variability Of Carbonate Chemistry In A Tillamook Bay Tributary: Tracing Acidification From The River To The Bay, Abigail Ernest-Beck
WWU Honors College Senior Projects
Coastal acidification from rising atmospheric carbon dioxide can be exacerbated by local factors such as land inputs of inorganic carbon and nutrients. In Tillamook Bay, OR, the possibility of local factors enhancing acidification and impacting oyster aquaculture in the bay is a concern due to extensive agriculture in the watershed. The US EPA has been monitoring water conditions in Tillamook Bay tributaries since the summer of 2016, and preliminary findings showed increased dissolved inorganic carbon (DIC) downstream of agricultural areas. To determine the causes of elevated DIC, changes attributed to land-based inputs must be distinguished from natural temporal variability and …