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Effects of ocean ac...
Effects of ocean acidification and warming on the development and biochemical responses of juvenile shrimp Palaemon elegans (Rathke, 1837)
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Maia, S. (författare)
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Marques, S. C. (författare)
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- Dupont, Samuel, 1971 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap, Kristineberg,Sven Lovén centrum för marina vetenskaper,Department of Biological and Environmental Sciences, Kristineberg,The Sven Lovén Centre for Marine Sciences
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Neves, M. (författare)
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Pinto, H. J. (författare)
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Reis, J. (författare)
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Leandro, S. M. (författare)
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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- Engelska.
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Ingår i: Marine Environmental Research. - : Elsevier BV. - 0141-1136. ; 176
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Anthropogenic CO2 emissions have led to the warming and acidification of the oceans. Although, there is a growing of evidence showing that simultaneous occurrence of ocean acidification and ocean warming are threats to marine organisms, information on their combined effect on coastal shrimp species remains scarce. The purpose of this study was to estimate the combined effects of seawater acidification and warming on growth-related traits and biochemical responses of P. elegans juveniles. In this work, shrimp were exposed for 65 days at 4 experimental conditions: pH 8.10 * 18 °C, pH 7.80 * 18 °C, pH 8.10 * 22 °C, pH 7.80 * 22 °C. The results showed that low pH decreases the lipid content by ∼13% (p < 0.05). Higher temperature reduced the condition factor by ∼11%, the protein content by ∼20%, the PUFA by ∼8,6% and shortened moulting events by 5 days (p > 0.05) while the SFA increased ∼9.4%. The decrease in condition factor and protein was however more prominent in organisms exposed to the combination of pH and temperature with a decrease of ∼13% and ∼21%, respectively. Furthermore, essential fatty acids as EPA and DHA also decreased by ∼20% and ∼6.6% in low pH and higher temperature condition. Despite this study suggest that warming may have a greater impact than acidification, it has been shown that their combined effect can exacerbate these impacts with consequences for the shrimp's body size and biochemical profile. © 2022
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- Fatty acids
- Growth rate
- Ocean acidification
- Ocean warming
- Palaemon elegans
- Protein
- Acidification
- Marine biology
- Oceanography
- Shellfish
- Anthropogenics
- Biochemical response
- CO 2 emission
- Combined effect
- Condition
- Elegans
- Marine organisms
- Ocean acidifications
- Palaemon elegan
- Proteins
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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