A continuous-flow and on-site mesocosm for ocean acidification experiments on benthic organisms
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Title
- A continuous-flow and on-site mesocosm for ocean acidification experiments on benthic organisms
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Author(s)
- Kim, Ju-Hyoung; Kang, Eun Ju; Kim, Keunyong; Kim, Kwang Young
- KIOST Author(s)
- Kim, Keunyong(김근용)
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Alternative Author(s)
- 김근용
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Publication Year
- 2018-12
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Abstract
- Mesocosm experiments conducted for ecological purposes have become increasingly popular because they can provide a holistic understanding of the biological complexities associated with natural systems. This paper describes a new outdoor mesocosm designed for CO2 perturbation experiments of benthos. Manipulated the carbonate chemistry in a continuous flow-through system can be parallelized with diurnal changes, while irradiance, temperature, and nutrients can vary according to the local environment A target hydrogen ion activity (pH) of seawater was sufficiently stabilized and maintained within 4 h after dilution, which was initiated by the ratio of CO2 saturated seawater to ambient seawater. Specifically, pH and CO2 partial pressure (pCO(2)) levels gradually varied from 8.05-7.28 and 375-2,691 mu atm, respectively, over a range of dilution ratios. This mesocosm can successfully manipulate the pH and pCO(2) of seawater, and it demonstrates suitability for ocean acidification experiments on benthic communities.
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ISSN
- 1226-2617
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/795
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DOI
- 10.4490/algae.2018.33.11.10
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Bibliographic Citation
- ALGAE, v.33, no.4, pp.359 - 366, 2018
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Publisher
- KOREAN SOC PHYCOLOGY
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Subject
- CARBON; COMMUNITY; PHOTOSYNTHESIS; PERTURBATION; ENRICHMENT; RESPONSES; SYSTEM; OXYGEN; PH
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Keywords
- carbonate chemistry; CO2 partial pressure; continuous flow-through system; ocean acidification
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Type
- Article
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Language
- English
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Document Type
- Article
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