The polychaete Paraprionospio pinnata is a likely vector of domoic acid to the benthic food web in the northern Gulf of Mexico

Baustian, Melissa M.; Bargu, Sibel; Morrison, Wendy; Sexton, Chelsea; Rabalais, Nancy N.

doi:10.1016/j.hal.2018.06.002

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The polychaete Paraprionospio pinnata is a likely vector of domoic acid to the benthic food web in the northern Gulf of Mexico

2018
By Baustian, Melissa M. ; Bargu, Sibel ; Morrison, Wendy ; ...
Source: Harmful Algae, 79: 44-49

[PDF-698.41 KB]

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Details:

Journal Title:

Harmful Algae
Personal Author:

Baustian, Melissa M. ; Bargu, Sibel ; Morrison, Wendy ; Sexton, Chelsea ; Rabalais, Nancy N.

Baustian, Melissa M. ; Bargu, Sibel ; Morrison, Wendy ; Sexton, Chelsea ; Rabalais, Nancy N. Less -
NOAA Program & Office:

NOS (National Ocean Service) ; NCCOS (National Centers for Coastal Ocean Science)

NOS (National Ocean Service) ; NCCOS (National Centers for Coastal Ocean Science) Less -
Description:

A somewhat disparate, yet temporally cohesive, set of phytoplankton abundance, microphytobenthos, including the diatom Pseudo-nitzschia, benthic infauna, and sediment toxin data were used to develop a theory for the transfer of domoic acid (DA) from the toxic diatom to the benthos in the highly productive waters of the northern Gulf of Mexico near the Mississippi River plume. Archived samples and new data were used to test the theory that DA is likely to be incorporated into benthic consumers. High spring abundances of potentially toxic Pseudo-nitzschia diatoms were simultaneously present in the surface waters, bottom waters and on the seafloor. Examination of the gut contents of a typical deposit-feeding and suspension-feeding polychaete, Paraprionospio pinnata, during similar periods of high Pseudo-nitzschia abundance in surface water indicated consumption of the diatoms. Demersal fishes, particularly Atlantic croaker, are known to consume these polychaetes, with a potential for transfer of DA to even higher trophic levels. These findings warrant a theory to be tested with further studies about the trophic linkage of a phytoplankton toxin into the benthic food web.
Keywords:

[+]

Atlantic Croaker Benthos Pseudo-nitzschia Harmful algal blooms
Source:

Harmful Algae, 79: 44-49
DOI:

https://doi.org/10.1016/j.hal.2018.06.002
Document Type:

Journal Article
Funding:

Grant no. NA06NPS4780197 ; Grant no. NA09NOS4780204 ; Grant no. NA16OP2670

Grant no. NA06NPS4780197 ; Grant no. NA09NOS4780204 ; Grant no. NA16OP2670 Less -
Place as Subject:

Mexico, Gulf of
Rights Information:

Accepted Manuscript
Compliance:

CHORUS
Main Document Checksum:

[+]

urn:sha256:ebde2116246a6bdd1e4d7ba2be8abd3622ae6eecc09fd2266959ee44b8c4b3fe
Download URL:

https://repository.library.noaa.gov/view/noaa/48449/noaa_48449_DS1.pdf
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The polychaete Paraprionospio pinnata is a likely vector of domoic acid to the benthic food web in the northern Gulf of Mexico

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