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Full-Text Articles in Environmental Health

Ecological And Anthropogenic Influences On A Sentinel Species' Gut Microbiome, Carson E. Black Jan 2021

Ecological And Anthropogenic Influences On A Sentinel Species' Gut Microbiome, Carson E. Black

All Master's Theses

Central and South American primates face augmented challenges due to increased rates of forest fragmentation. Among these challenges are implications on the nonhuman primate gut microbiome. Wild Argentine black and gold howler monkeys (Alouatta caraya) are listed as “least concern” with a population that is decreasing. Despite their propensity to occupy habitats with varying degrees of degradation and disturbance, they are not immune from the stressors that forest fragmentation places on them. Their increased exposure to humans and livestock leaves them vulnerable to cross-species transmission of emerging infectious diseases and pathogens. Therefore, their role as sentinels of ecosystems, …


Suction Dredge Mining Impacts On Pacific Lamprey Populations And Habitat In Washington State: A Case Study Of The Entiat River, Jaime Liljegren Jan 2019

Suction Dredge Mining Impacts On Pacific Lamprey Populations And Habitat In Washington State: A Case Study Of The Entiat River, Jaime Liljegren

All Master's Theses

Suction dredge mining is a largely unregulated recreational activity in Washington State with potentially significant impacts to aquatic habitat. Although dredging has the potential to cause widespread ecological effects, only impacts to select species have been thoroughly assessed. Due to their reliance on freshwater habitat throughout multiple life stages, Pacific lamprey are significantly vulnerable to impacts from dredging practices. This thesis focuses on assessing the effects of dredging to lamprey habitat within state-owned aquatic lands of Washington. Pacific lamprey are anadromous, utilizing freshwater habitat throughout key life stages including spawning in substrate ranging from coarse gravel to fine sand, and …