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Impact of CO2-driven acidification on the development of the sea cucumber Apostichopus japonicus (Selenka) (Echinodermata: Holothuroidea)
- Yuan, X. T. (author)
- Shao, S. L. (author)
-
- Dupont, Samuel, 1971 (author)
- Gothenburg University,Göteborgs universitet,Sven Lovén centrum för marina vetenskaper,The Sven Lovén Centre for Marine Sciences
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- Meng, L. M. (author)
- Liu, Y. J. (author)
- Wang, L. J. (author)
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- (creator_code:org_t)
- Elsevier BV, 2015
- 2015
- English.
- In: Marine Pollution Bulletin. - : Elsevier BV. - 0025-326X. ; 95:1, s. 195-199
- Journal article (peer-reviewed)
Abstract
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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.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Keyword
- Ocean acidification
- Holothuroid
- Apostichopus japonicus
- Early development
- Larval growth
- OCEAN ACIDIFICATION
- GROWTH
- PH
- TEMPERATURE
- LARVAE
- Environmental Sciences
- Marine & Freshwater Biology
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- ref (subject category)
- art (subject category)
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- University of Gothenburg
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