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Factors Influencing the Headwaters, Nontidal, Tidal, and Mainstem Fish Habitat Function in the Chesapeake Bay Watershed: Application to Restoration and Management Decisions

In support of the Chesapeake Bay Program’s (CBP) Fish Habitat Outcome 2-Year Work Plan (2018-19), the Sustainable Fisheries and Vital Habitat Goal Implementation Teams (GITs) obtained funding from the Scientific and Technical Advisory Committee (STAC) to conduct a workshop to develop a Fish Habitat AssessmentFramework for the Chesapeake Bay and its watershed (hereafter referred to as “the Watershed”). The workshop’sobjective was to identify the necessary information and analytical approaches needed to assess the condition and vulnerability of fish habitat in the Watershed. Such an assessment could identify the condition and primary drivers of fish habitat change, better guide conservation and restoration planning and investments, develop specific habitat management objectives to support the productivity of fish stocks, and evaluate the effectiveness of efforts to conserve and restore fish habitat.

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Integrating Recent Findings to Explain Water-Quality Change: Support for the Mid-Point Assessment and Beyond

This workshop, hosted by the Chesapeake Bay Program’s (CBP) Scientific and Technical Advisory Committee (STAC), brought together water-quality managers and several groups of scientists working to synthesize management-relevant insights in their respective fields, in order to identify elements of research findings that could inform the development of Watershed Implementation Plans (WIPs) and future adaptive management.

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Understanding and Explaining 30 Years of Water Clarity Trends in the Chesapeake Bay’s Tidal Waters

Water clarity is widely recognized as an important indicator of the health and trophic state of aquatic ecosystems and is a key management target given the limit it imposes on the growth of submerged aquatic vegetation (SAV). A better understanding of the controls on water clarity variability may expand our understanding of SAV trends, while providing new insights into the interactions between eutrophication, sediment inputs, and the concentrations and composition of suspended solids. This workshop brought together experts from the multiple disciplines needed to synthesize the current state of the science on water clarity trends and the factors that affect them, and to identify priorities for future research. The group was also asked to address an explicit set of questions posed by the Chesapeake Bay Program in the original STAC workshop proposal. Those questions, along with the group’s responses and recommendations for future work, are summarized in this report.

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