Infestation Patterns of Choanoflagellates on Pseudo-Mitzschia

Public Deposited

Citeable URL: https://ir.library.oregonstate.edu/concern/defaults/gh93h585s

Descriptions

Attribute Name	Values
Creator	de Vore, Samantha
Abstract	Pseudo-Nitzschia (P/N) is a species of naturally occurring phytoplankton that contributes to harmful algal blooms (HABs) in the California Current System (CCS). P/N can produce domoic acid (DA), a toxin which accumulates in organisms that consume phytoplankton, leading to amnesiac shellfish poisoning in higher trophic levels. Thus DA can negatively impact ecologically important species such as seabirds, whales, and sea lions, but it also poses a significant risk to human health. DA has been detected in shellfish species along the Washington, Oregon, and California coast causing fisheries to shut down for several weeks or even a season, resulting in a loss of millions of dollars in revenue. Importantly, P/N is not always toxic; theories suggest that toxicity is induced by nutrient limitation, mixing events such as riverine inputs and upwelling, or in response to grazing. Understanding the factors that affect Pseudo-Nitzschia distribution and toxin production is critical to support management of healthy ecosystems, seafood, and coastal communities.
Resource Type	Poster
Date Issued	2020
Degree Level	Bachelor's
Degree Name	Bachelor of Science (B.S.)
Degree Field	Earth, Ocean, and Atmospheric Sciences
Advisor	Kavanaugh, Maria
Rights Statement	In Copyright
Publisher	Oregon State University
Peer Reviewed	No
Language	English [eng]

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