Transgenerational Exposure Of North Atlantic Bivalves To Ocean Acidification Renders Offspring More Vulnerable To Low Ph And Additional Stressors

Griffith, Andrew W.; Gobler, Christopher J.

doi:10.1038/s41598-017-11442-3

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Transgenerational Exposure Of North Atlantic Bivalves To Ocean Acidification Renders Offspring More Vulnerable To Low Ph And Additional Stressors

2017
By Griffith, Andrew W. ; Gobler, Christopher J.
Source: Sci Rep 7, 11394

[PDF-1.47 MB]

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Journal Title:

Scientific Reports
Personal Author:

Griffith, Andrew W. ; Gobler, Christopher J.

Griffith, Andrew W. ; Gobler, Christopher J. Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; Sea Grant

OAR (Oceanic and Atmospheric Research) ; Sea Grant Less -
Sea Grant Program:

NYSGI/NYEXT (New York Sea Grant)
Description:

While early life-stage marine bivalves are vulnerable to ocean acidification, effects over successive generations are poorly characterized. The objective of this work was to assess the transgenerational effects of ocean acidification on two species of North Atlantic bivalve shellfish, Mercenaria mercenaria and Argopecten irradians. Adults of both species were subjected to high and low pCO2 conditions during gametogenesis. Resultant larvae were exposed to low and ambient pH conditions in addition to multiple, additional stressors including thermal stress, food-limitation, and exposure to a harmful alga. There were no indications of transgenerational acclimation to ocean acidification during experiments. Offspring of elevated pCO2-treatment adults were significantly more vulnerable to acidification as well as the additional stressors. Our results suggest that clams and scallops are unlikely to acclimate to ocean acidification over short time scales and that as coastal oceans continue to acidify, negative effects on these populations may become compounded and more severe.
Keywords:

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Larvae Ocean Acidification Oysters
Source:

Sci Rep 7, 11394
DOI:

https://doi.org/10.1038/s41598-017-11442-3
Sea Grant Document Number:

NYSGI-R-17-007
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Journal Article
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CC BY
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urn:sha256:5960a7877aa24c266135658a7404f9c1afad7ab00f4d35b14ff2d91fdb27fc19
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https://repository.library.noaa.gov/view/noaa/40078/noaa_40078_DS1.pdf
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Transgenerational Exposure Of North Atlantic Bivalves To Ocean Acidification Renders Offspring More Vulnerable To Low Ph And Additional Stressors

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