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Harmful cyanobacteria blooms in upper San Francisco Estuary since 2004: What we know based on 15 years of field and laboratory research - Livestream

Toxic cyanobacteria have bloomed in the upper San Francisco Estuary since 1999. The initial blooms were small and locally abundant. Today these blooms stretch across the upper estuary and can reach dangerously toxic levels of 1,000 ug/L of microcystins. These blooms now threaten the health of humans and aquatic species, as well as the economy of the Delta. During this talk I will share the field and laboratory research, monitoring, and research tools that we have employed in the upper San Francisco Estuary over the past 15 years to address key questions. Some of the topics in the talk will include: How has the species composition changed over time? What makes it more dangerous today than before? What factors control growth? How does the bloom affect other aquatic species from plankton to fish in the estuary? What will happen next?

Speaker: Peggy Lehman, Senior Environmental Scientist, CA Department of Water Resources

Register at weblink for Zoom information

Wednesday, 09/29/21


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Estuary & Ocean Science Center

, CA