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The Impact Of Polychlorinated Biphenyls On The Development Of Zebrafish (Danio Rerio), Megan Moma
The Impact Of Polychlorinated Biphenyls On The Development Of Zebrafish (Danio Rerio), Megan Moma
WWU Graduate School Collection
Polychlorinated biphenyls (PCBs) are a group of 209 highly stable molecules that were used extensively in industry. Although their commercial use ceased in 1979, they are still present in many aquatic ecosystems due to improper disposal, oceanic currents, atmospheric deposition, and hydrophobic nature. PCBs pose a significant and ongoing threat to the development and sustainability of aquatic organisms. Our hypothesis is that PCB concentration will significantly affect development. Zebrafish (Danio rerio) were exposed to a standard PCB mixture (Aroclor 1254) for the first 5 days post fertilization, as there is a gap in knowledge during this important developmental …
Investigating The Effects Of Climate Co-Stressors On Surf Smelt Energy Demands, Megan Russell
Investigating The Effects Of Climate Co-Stressors On Surf Smelt Energy Demands, Megan Russell
WWU Graduate School Collection
Surf smelt (Hypomesus pretiosus) are ecologically and economically important to the Pacific Northwest. They play a critical role in the food web and support numerous commercially important species and are an economically important baitfish. Surf smelt interact closely with the nearshore environment, utilizing approximately 10% of Puget Sound coastlines for spawning throughout the year. Surf smelt spawn at high tide and adhere fertilized eggs to beach sediment, causing their embryos to be exposed to air and seawater throughout embryonic development. Because of this unique life history, surf smelt may be susceptible to anthropogenic stressors including coastal development and …