Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/49876
Título: Carbon dioxide production rates of marine epipelagic copepods in subtropical waters during the late winter bloom
Autores/as: Lehette, Pascal
Hernández-León, Santiago 
Clasificación UNESCO: 251001 Oceanografía biológica
Palabras clave: Canary Islands
Factorial scope
Infra-red
pCO2
Respiration, et al.
Fecha de publicación: 2010
Editor/a: 0022-0981
Proyectos: Conafrica: la Conexion Africana en la Corriente de Canarias 
Ciclos Lunares y Fertilización Con Hierro. 
Publicación seriada: Journal of Experimental Marine Biology and Ecology 
Resumen: Carbon dioxide production rates of mixed epipelagic copepods were measured during the so-called late winter bloom in the vicinity of the Canary Islands. Respiration rates were measured using a simple and sensitive infra-red gas analyser coupled to a manifold containing an equilibrator module to transfer seawater CO2 to the gas phase. The system allowed the determination of the carbon dioxide content of one sample in 20 to 40 min. Respiration rates obtained were similar to previous oxygen consumption rates in subtropical waters. A relative wide range of carbon dioxide production rates was observed due to the metabolic condition of the organisms. Direct measurement of respiration rates after the capture showed high values (11-fold) compared to standard rates at starving conditions after only 4–6 h of incubation in filtered seawater. The results showed that short-term (0.5 h) CO2 production rates by copepods can be measured in relatively large incubation volumes (600 ml) minimizing crowding and bottle effects. A standardized method is proposed in order to obtain comparable results of metabolic rates in marine mesozooplankton.
URI: http://hdl.handle.net/10553/49876
ISSN: 0022-0981
DOI: 10.1016/j.jembe.2010.01.006
Fuente: Journal of Experimental Marine Biology and Ecology [ISSN 0022-0981], v. 385, p. 38-43
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