DEI’s 2022 Climate Change Seminars kicks off at noontime on Tuesday, July 12 and continues for 6 weeks. The  seminars highlight the groundbreaking marine research conducted at Downeast Institute aimed at helping our communities adapt to our changing marine environment.

The seminars will be held at 12:00pm- 1:00pm on zoom.

Tuesday, July 12: Behavioral and physiological effects of climate change scenarios on Atlantic surfclam larvae: dispersal and energy budget implications

Stonybrook University PhD candidate and Downeast Institute Fellow Raymond Czaja will talk about his research on Atlantic surf clam larval response to ocean acidification and temperature changes.

Tuesday, July 19: Evaluating Maine Mussel Farms as Marine Habitat Using Underwater Video

Join Rutgers University graduate student and Downeast Institute Fellow Alexandria Ambrose to learn about   how she is evaluating the habitat impact of Maine mussel farms by using underwater video in order to observe and document how organisms use the vertical long-lines.

Tuesday, July 26:  Using Shell Hash for Buffering Mudflat Acidification: Interactive Effects of Crush Size and Density on Commercial Bivalve Recruitment and Sediment Porewater Carbonate Chemistry

Join DEI researchers to learn about how the addition of different sizes and densities of crushed oyster shell impacted the chemistry and shellfish recruitment of a South Portland. Effects of predator protection vs oyster shell application were also compared.

Tuesday, August 2: How Acidic are Maine Mudflats? Results from Monitoring Mudflat Chemistry in Beals

Learn what DEI scientist Dr. Rob Holmberg found when he undertook the first-ever complete carbonate chemistry monitoring of two tidal mudflats throughout the clam growing season.  Clam recruitment was simultaneously collected at both sites to explore the relationship between chemistry and recruitment and survival during this vulnerable period in the clam’s early life-history.

Wednesday, August 10: Green Crabs in Maine: Data from the Clam Recruitment Monitoring Network

We’ll examine the latest Clam Recruitment Monitoring Network data to learn about crab abundance across the coast, growth, and how they impact juvenile clams.

Tuesday, August 16: Using meta-analysis to explore the roles of upwelling exposure and experimental design decisions in bivalve ocean acidification studies

Learn about DEI Fellow Ray Czaja’s investigation into how experimental design choices affect outcomes in individual ocean acidification-bivalve experiments and what he learned about the importance of upwelling with regards to ocean acidification resiliency.

To RSVP for any of the seminars contact Sara Randall ( or 207-615-7852). Seminars will be held on zoom.

Watch recordings of the seminars on Downeast Institute’s YouTube channel.

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