Complex watersheds, collaborative teams: Assessing pollutant presence and effects in the San Francisco Delta

Integrated Environmental Assessment and Management
Adam D BialesHeiko L Schoenfuss

Abstract

There is a great diversity of sources of chemical contaminants and stressors over large geographic areas. Chemical contaminant inputs and magnitude can potentially exhibit wide seasonal variation over large geographic areas. Together, these factors make linking exposure to monitored chemical contaminants and effects difficult. In practice, this linkage typically relies on relatively limited chemical occurrence data loosely coupled with individual effects, and population- or community-level assessments. Increased discriminatory power may be gained by approaching watershed level assessment in a more holistic manner, drawing from a number of disciplines that target endpoints spanning levels of the biological hierarchy. Using the Sacramento River as a case study, the present study aimed to 1) evaluate the performance of new analytical and biomarker tools in a real world setting and their potential for linking occurrence and effect; 2) characterize the effects of geographic and temporal variability through the integration of suborganismal, tissue, and individual level endpoints, as well as extensive chemical analyses; 3) identify knowledge gaps and research needs that limit the implementation of this holistic approach; and 4) provid...Continue Reading

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Citations

Apr 28, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Golala AryaGregory D Foster
Dec 30, 2017·Environmental Science and Pollution Research International·Brice Reoyo-PratsCarmen Palacios
Aug 9, 2018·The Science of the Total Environment·Ladislav MandaricSergi Sabater

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