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Impact of CO2-drive...
Impact of CO2-driven acidification on the development of the sea cucumber Apostichopus japonicus (Selenka) (Echinodermata: Holothuroidea)
- Article/chapterEnglish2015
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LIBRIS-ID:oai:gup.ub.gu.se/220333
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https://gup.ub.gu.se/publication/220333URI
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https://doi.org/10.1016/j.marpolbul.2015.04.021DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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We evaluated the impact of ocean acidification on the early development of sea cucumber Apostichopus japonicus. The effect of pH-levels (pH 8.04, 7.85, 7.70 and 7.42) were tested on post-fertilization success, developmental (stage duration) and growth rates. Post-fertilization success decreased linearly with pH leading to a 6% decrease at pH 7.42 as compared to pH 8.1. The impact of pH on developmental time was stage-dependent: (1) stage duration increased linearly with decreasing pH in early-auricularia stage; (2) decreased linearly with decreasing pH in the mid-auricularia stage; but (3) pH decline had no effect on the late-auricularia stage. At the end of the experiment, the size of doliolaria larvae linearly increased with decreasing pH. In conclusion, a 0.62 unit decrease in pH had relatively small effects on A. japonicus early life-history compared to other echinoderms, leading to a maximum of 6% decrease in post-fertilization success and subtle effects on growth and development. (C) 2015 Elsevier Ltd. All rights reserved.
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Shao, S. L.
(author)
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Dupont, Samuel,1971Gothenburg University,Göteborgs universitet,Sven Lovén centrum för marina vetenskaper,The Sven Lovén Centre for Marine Sciences(Swepub:gu)xdupsa
(author)
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Meng, L. M.
(author)
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Liu, Y. J.
(author)
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Wang, L. J.
(author)
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Göteborgs universitetSven Lovén centrum för marina vetenskaper
(creator_code:org_t)
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In:Marine Pollution Bulletin: Elsevier BV95:1, s. 195-1990025-326X
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