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HMSC Research Seminar-Mussels, models, and microchemistry: Can larval spill-over from aquaculture assist with bivalve restoration efforts?

Speaker: Craig Norrie, Postdoc Scholar, COMES, Oregon State University

Topic:

Mussels, models, and microchemistry: Can larval spill-over from aquaculture assist with bivalve restoration efforts?

Worldwide bivalve aquaculture is expanding rapidly. Simultaneously there has been a loss of natural bivalve reefs due to anthropogenic activities. As bivalve reefs support several ecosystem functions disproportionate to the area they cover, there is interest in their restoration. Northern New Zealand once supported dense benthic populations mussels which were extirpated by a dredge fishery. There are now active restoration efforts in the area which may receive larvae produced at aquaculture. To quantify this, however, knowledge of larval dispersal patterns is required. I will discuss the developments necessary for the application of trace elemental fingerprinting techniques for tracking bivalve larval dispersal in a highly modified coastal embayment. Subsequently, using a combination of these trace elemental fingerprinting techniques and biophysical dispersal modelling we show the potential for larval spill-over from aquaculture populations to provide a population subsidy to restored mussel beds. This spill over suggests aquaculture should be considered in restoration planning.

Link:  https://oregonstate.zoom.us/j/94555731151

Thursday, June 4 at 3:30pm to 4:30pm

Virtual Event
Event Type

Lecture or Presentation

Event Topic

Research

Audience

Community, Faculty and Staff, Student

County

Lincoln

Cost

Free

Organization
Hatfield Marine Science Center
Contact Name

Cinamon Moffett

Contact Email

moffettc@oregonstate.edu

Contact Phone

5418670126

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