Downloads provided by UsageCountsSeawater carbonate chemistry and copepod Centropages tenuiremis feeding, filtering and respiration rate during experiments, 2012
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Li, Wei; Gao, Kunshan;
Seawater carbonate chemistry and copepod Centropages tenuiremis feeding, filtering and respiration rate during experiments, 2012
Climate change mediates marine chemical and physical environments and therefore influences marine organisms. While increasing atmospheric CO2 level and associated ocean acidification has been predicted to stimulate marine primary productivity and may affect community structure, the processes that impact food chain and biological CO2 pump are less documented. We hypothesized that copepods, as the secondary marine producer, may respond to future changes in seawater carbonate chemistry associated with ocean acidification due to increasing atmospheric CO2 concentration. Here, we show that the copepod, Centropages tenuiremis, was able to perceive the chemical changes in seawater induced under elevated CO2 concentration (>1700 µatm, pH < 7.60) with avoidance strategy. The copepod's respiration increased at the elevated CO2 (1000 µatm), associated acidity (pH 7.83) and its feeding rates also increased correspondingly, except for the initial acclimating period, when it fed less. Our results imply that marine secondary producers increase their respiration and feeding rate in response to ocean acidification to balance the energy cost against increased acidity and CO2 concentration.
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI).
Supplement to: Li, Wei; Gao, Kunshan (2012): A marine secondary producer respires and feeds more in a high CO2 ocean. Marine Pollution Bulletin, 64(4), 699-703
Ocean Acidification International Coordination Centre (OA-ICC), Temperate, Identification, Salinity, Bicarbonate ion, standard deviation, Bottles or small containers/Aquaria (<20 L), inorganic, Alkalinity, total, standard deviation, Alkalinity, total scale, pH meter (Mettler Toledo, USA), European Project on Ocean Acidification EPOCA, Respiration rate, oxygen, per individual, European network of excellence for Ocean Ecosystems Analysis EUR OCEANS, Filtering rate, standard deviation, Temperature, water, Carbon, inorganic, dissolved, see reference(s), Calculated using seacarb after Nisumaa et al 2010, Aragonite saturation state, North Pacific, Bottles or small containers Aquaria 20 L, Alkalinity, total, total, pH, partial pressure, Pelagos, Respiration, Temperature, Feeding rate, standard deviation, European network of excellence for Ocean Ecosystems Analysis (EUR-OCEANS), dissolved, Silicate, Laboratory experiment, Carbonate ion, Experimental treatment, Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), Carbon dioxide, standard deviation, Carbon dioxide, partial pressure, standard deviation, Respiration rate, Earth System Research, standard deviation, pH, NBS scale, Feeding rate of cells per individuum, Measured, NBS scale, per individual, Filtering rate, Calcite saturation state, Arthropoda, water, Phosphate, European Project on Ocean Acidification (EPOCA), Zooplankton, Ocean Acidification International Coordination Centre OA ICC, see reference s, Animalia, Carbon, inorganic, dissolved, standard deviation, Behaviour, Bicarbonate ion, Respiration rate, standard deviation, USA, Calculated using seacarb after Nisumaa et al. (2010), Species, YSI, Bottles or small containers/Aquaria (<20 L), Calculated using CO2SYS, Carbonate system computation flag, Centropages tenuiremis, pH, standard deviation, Carbonate ion, standard deviation, pH, total scale, Fugacity of carbon dioxide (water) at sea surface temperature (wet air), Clark type oxygen electrode 5300A, Carbon, Partial pressure of carbon dioxide water at sea surface temperature wet air, Carbon dioxide, Single species, Clark type oxygen electrode (5300A, YSI), Fugacity of carbon dioxide water at sea surface temperature wet air, Coast and continental shelf, Feeding rate, oxygen, pH meter Mettler Toledo
Ocean Acidification International Coordination Centre (OA-ICC), Temperate, Identification, Salinity, Bicarbonate ion, standard deviation, Bottles or small containers/Aquaria (<20 L), inorganic, Alkalinity, total, standard deviation, Alkalinity, total scale, pH meter (Mettler Toledo, USA), European Project on Ocean Acidification EPOCA, Respiration rate, oxygen, per individual, European network of excellence for Ocean Ecosystems Analysis EUR OCEANS, Filtering rate, standard deviation, Temperature, water, Carbon, inorganic, dissolved, see reference(s), Calculated using seacarb after Nisumaa et al 2010, Aragonite saturation state, North Pacific, Bottles or small containers Aquaria 20 L, Alkalinity, total, total, pH, partial pressure, Pelagos, Respiration, Temperature, Feeding rate, standard deviation, European network of excellence for Ocean Ecosystems Analysis (EUR-OCEANS), dissolved, Silicate, Laboratory experiment, Carbonate ion, Experimental treatment, Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), Carbon dioxide, standard deviation, Carbon dioxide, partial pressure, standard deviation, Respiration rate, Earth System Research, standard deviation, pH, NBS scale, Feeding rate of cells per individuum, Measured, NBS scale, per individual, Filtering rate, Calcite saturation state, Arthropoda, water, Phosphate, European Project on Ocean Acidification (EPOCA), Zooplankton, Ocean Acidification International Coordination Centre OA ICC, see reference s, Animalia, Carbon, inorganic, dissolved, standard deviation, Behaviour, Bicarbonate ion, Respiration rate, standard deviation, USA, Calculated using seacarb after Nisumaa et al. (2010), Species, YSI, Bottles or small containers/Aquaria (<20 L), Calculated using CO2SYS, Carbonate system computation flag, Centropages tenuiremis, pH, standard deviation, Carbonate ion, standard deviation, pH, total scale, Fugacity of carbon dioxide (water) at sea surface temperature (wet air), Clark type oxygen electrode 5300A, Carbon, Partial pressure of carbon dioxide water at sea surface temperature wet air, Carbon dioxide, Single species, Clark type oxygen electrode (5300A, YSI), Fugacity of carbon dioxide water at sea surface temperature wet air, Coast and continental shelf, Feeding rate, oxygen, pH meter Mettler Toledo
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