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US Environmental Protection Agency Gulf Ecology Division Gulf Breeze, FL Effects of ocean and coastal acidification on stressor responses in estuarine organisms and reef-building corals: Research focuses on determining how changes in coastal water chemistry from ocean acidification and nutrient enrichment influence stressor responses in estuarine organisms and reef-building corals under controlled laboratory conditions. The project will investigate the interactive effects of projected high levels of pC02 and selected land- based stressors on genomic, biochemical, cellular and organismal level responses in selected species. The post-doc will develop and utilize exposure and testing systems and various biological response endpoints to determine sensitive species and life stages of estuarine invertebrates, fish and corals. The post doc will investigate how changes in carbonate chemistry, dissolved oxygen, and other water quality parameters affect calcification and other genomic and cellular responses to allow a mechanistic interpretation of species sensitivity and to facilitate predictive model development. For position description go to https://cfpub.epa.gov/ordpd/PostDoc_Position.cfm?pos_id=957 For position details and to apply go to https://cfpub.epa.gov/ordpd/PostDoc_Lab.cfm?Lab=NHEERL Applications are due by July 29. ---------------- US Environmental Protection Agency Gulf Ecology Division Gulf Breeze, FL 32561 Aquatic toxicology applications linking molecular response to exposure effects through computational toxicology and biochemical modeling: Research focuses on identifying characteristic protein and gene expression responses to chemical stressors and developing quantitative methods for evaluating differences in response between aquatic species. The project will implement modeling strategies to incorporate linkages between chronic pesticide exposure and aquatic species development to predict chemical effects. The post-doc will develop methods to evaluate representative early life stage responses to stressors and incorporate molecular-level data from experimental studies and literature in modeling tools to link molecular changes to biological networks, pathways, and systems. The application of developed models will improve predictive toxicology approaches and estimate effects on demographic parameters for population-level assessment of stressor impacts. A candidate with an extensive ecotoxicology background related to computational toxicology, molecular techniques and quantitative approaches will work within a laboratory team with ecological modeling expertise. For position description go to https://cfpub.epa.gov/ordpd/PostDoc_Position.cfm?pos_id=955 For position details and to apply go to https://cfpub.epa.gov/ordpd/PostDoc_Lab.cfm?Lab=NHEERL Applications are due by July 29.
