Long-term exposure to acidification disrupts reproduction in a marine invertebrate

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Pansch, ChristianGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences (author)

Long-term exposure to acidification disrupts reproduction in a marine invertebrate

Article/chapterEnglish2018

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2018-02-06
Public Library of Science (PLoS),2018

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LIBRIS-ID:oai:gup.ub.gu.se/271772
https://gup.ub.gu.se/publication/271772URI
https://doi.org/10.1371/journal.pone.0192036DOI

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Language:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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Copyright: © 2018 Pansch et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Climate change research is advancing to more complex and more comprehensive studies that include long-term experiments, multiple life-history stages, multi-population, and multi-trait approaches. We used a population of the barnacle Balanus improvisus known to be sensitive to short-term acidification to determine its potential for long-term acclimation to acidification. We reared laboratory-bred individuals (as singles or pairs), and field-collected assemblages of barnacles, at pH 8.1 and 7.5 ( 400 and 1600 ?atm pCO2respectively) for up to 16 months. Acidification caused strong mortality and reduced growth rates. Acidification suppressed respiration rates and induced a higher feeding activity of barnacles after 6 months, but this suppression of respiration rate was absent after 15 months. Laboratory-bred barnacles developed mature gonads only when they were held in pairs, but nonetheless failed to produce fertilized embryos. Field-collected barnacles reared in the laboratory for 8 months at the same pH’s developed mature gonads, but only those in pH 8.1 produced viable embryos and larvae. Because survivors of long-term acidification were not capable of reproducing, this demonstrates that B. improvisus can only partially acclimate to long-term acidification. This represents a clear and significant bottleneck in the ontogeny of this barnacle population that may limit its potential to persist in a future ocean.

Subject headings and genre

NATURVETENSKAP Biologi Ekologi hsv//swe
NATURAL SCIENCES Biological Sciences Ecology hsv//eng

Added entries (persons, corporate bodies, meetings, titles ...)

Hattich, GianninaGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences (author)
Heinrichs, Mara E.Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences (author)
Pansch, Andreas (author)
Zagrodzka, ZuzannaGothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xzagzu (author)
Havenhand, Jonathan N.,1959Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences(Swepub:gu)xhavjo (author)
Göteborgs universitetInstitutionen för marina vetenskaper (creator_code:org_t)

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In:PLoS ONE: Public Library of Science (PLoS)131932-6203

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NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...; and Ecology

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