EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
6/07/2017 | 9:30 AM - 9:45 AM | Literature-based synthesis of nutrient stressor-response relationships to inform assessment, monitoring, and criteria development in rivers and streams | 305B
Literature-based synthesis of nutrient stressor-response relationships to inform assessment, monitoring, and criteria development in rivers and streams
Eutrophication from nutrient pollution is a major stressor of freshwater ecosystems globally. Despite recognition of this problem by scientists and stakeholders, synthesis of scientific evidence is still needed to inform nutrient-related management decisions and policies, especially for streams and rivers. Nutrient-stressor response relationships are complicated by many interacting stressors, complex causal pathways involving multiple biotic assemblages, and the spatiotemporal variability of lotic ecosystems. A rigorous assessment of nutrient-stressor response relationships and modifying factors is a critical first step for identifying, managing, and restoring aquatic resources impaired by eutrophication. We describe three ongoing systematic reviews that compile and synthesize literature on the chlorophyll-a, diatom, and macroinvertebrate responses to nutrients in streams. These reviews will provide a state-of-the-science body of evidence for assessing nutrient impacts to the most widely-used indicators of biological responses to nutrients. These reviews answer questions regarding evidence demonstrating relationships between total nitrogen or total phosphorus concentrations and selected biotic endpoints in rivers and streams and examine how other factors affect these relationships. Disclaimer: authors views expressed here do not necessarily reflect views or policies of the US EPA.
- S17 Integrating Published Literature into the Science and Policy Arenas Influencing Our Freshwater Futures: Evidence-Based Methods to Fit the Purpose
- C24 Eutrophication
- S17 Integrating Published Literature into the Science and Policy Arenas Influencing Our Freshwater Futures: Evidence-Based Methods to Fit the Purpose
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Presenters/Authors
Micah Bennett
(), U.S. Environmental Protection Agency, Office of Research and Development, bennett.micah@epa.gov;
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Kate Schofield
(), U.S. Environmental Protection Agency, Office of Research and Development, schofield.kate@epa.gov;
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Sylvia Lee
(), U.S. EPA, lee.sylvia@epa.gov;
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Susan Norton
(), U.S.Environmental Protection Agency, norton.susan@epa.gov;
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