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Quantification of the carbon released by a marine fish using a carbon release model and radiocarbon.
Liu, Qingxia; Zhou, Linbin; Wu, Yun; Huang, Honghui; He, Xuejia; Gao, Na; Zhang, Li.
Afiliación
  • Liu Q; CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South
  • Zhou L; CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Gua
  • Wu Y; School of Environment Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China.
  • Huang H; Guangdong Provincial Key Laboratory of Fishery Ecology and Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China.
  • He X; Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China.
  • Gao N; CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; South China Sea Institute of Planning and Environmental Research, State Ocean
  • Zhang L; CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Gua
Mar Pollut Bull ; 181: 113908, 2022 Aug.
Article en En | MEDLINE | ID: mdl-35810653
Here we propose a carbon release model that divides fish-released carbon into two sources (ingested food and the fish body), and three forms (dissolved organic carbon (DOC), CO2, and particulate carbon (PC)). We quantified the daily carbon budget of a marine fish Oryzias melastigma by feeding the fish radiocarbon-labeled living rotifer. We found that 91%-92%, 25%-47%, 28%-50%, 20%-31%, and 8%-9% of the ingested food carbon was absorbed, assimilated, and released as DOC, CO2, and PC, respectively. Fish body carbon dissimilated/catabolized and released as 0.053-0.12 d-1 at two daily food rations. DOC, CO2, and PC accounted for 39%-42%, 39%-45%, and 16%-19% of the released fish body carbon, respectively. Our study shows that the fish transformed substantial fractions of their daily ingested food and dissimilated body carbon into DOC, and fish may be an important source of DOC in the ocean.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oryzias / Carbono Límite: Animals Idioma: En Revista: Mar Pollut Bull Año: 2022 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oryzias / Carbono Límite: Animals Idioma: En Revista: Mar Pollut Bull Año: 2022 Tipo del documento: Article Pais de publicación: Reino Unido