[{"dataset_parameter_nid":"664032","supplied_name":"pCO2_treatment","supplied_units":"parts per million (ppm)","value_format":null,"description":"\u003Cp\u003EThe independent variable - one of three pCO2 levels (280 ppm, 380 ppm, or 750 ppm) These treatment levels are nominal values as they represent the target pCO2 for each treatment.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":null,"parameter_nid":"489066","parameter_description":"\u003Cp\u003EExperimental conditions applied to experimental units.\u00a0 In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.\u003C\/p\u003E\n","parameter_max_value":"","parameter_min_value":"","parameter_nd_value":"nd","parameter_official_name":"treatment","parameter_external_identifier":"","parameter_short_description":"treatment","parameter_short_name":"treatment","parameter_units":"unitless","parameter_units_external_identifier":"","order":null},{"dataset_parameter_nid":"664033","supplied_name":"sample","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EFor each pCO2 treatment there are three types of samples;\u003Cbr \/\u003E\nAfter de-lithing: These samples were taken immediately after the coccolithophores were acidified to dissolve their coccoliths and then neutralized to return the culture pH to the original pH.  These samples were taken before the 24 h incubation period and therefore do not have a Light or Dark treatment.\u003Cbr \/\u003E\nReplicate: These represent the three replicates for each light condition and each CO2 treatment.  These samples were taken after the cells incubated in either light or dark conditions for 24 h.\u003Cbr \/\u003E\nBlank:  These samples were killed by the addition of formalin but were allowed to incubate in either light or dark conditions for 24 h.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"960","parameter_description":"\u003Cp\u003Eunique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"sample","parameter_external_identifier":"http:\/\/vocab.nerc.ac.uk\/collection\/P02\/current\/ACYC\/","parameter_short_description":"sample identification","parameter_short_name":"sample","parameter_units":"dimensionless","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"664034","supplied_name":"light_conditions","supplied_units":"unitless","value_format":null,"description":"\u003Cp\u003EThis identifies whether the sample was incubated for 24 h in light (470 umol photons\/m-2\/s PAR) or dark (0 umol photons\/m-2\/s PAR) conditions.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"913","parameter_description":"\u003Cp\u003EPhotosynthetically Available [Active] Radiation; downwelling irradiance; units vary: off microEinsteins\/meter^2\/second,\u00a0 microEinsteins\/centimeter^2\/second, or micromoles photons\/meter\/second\u003C\/p\u003E\n\u003Cp\u003E\u00a0\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"PAR","parameter_external_identifier":null,"parameter_short_description":"PAR","parameter_short_name":"PAR","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"664035","supplied_name":"attached","supplied_units":"coccoliths per cell","value_format":null,"description":"\u003Cp\u003EThis is the number of attached coccoliths observed per cell.  This number represents an average of counts from at least 15 cells per replicate or sample.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"514901","parameter_description":"\u003Cp\u003EConcentration of cells; often determined by spectrophotometry, flow cytometry, or using a microscope. May be referred to as \u0022cell count\u0022 (cells per volume unit).\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"cell_concentration","parameter_external_identifier":null,"parameter_short_description":"cell_concentration","parameter_short_name":"cell_concentration","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"664036","supplied_name":"attached_blankCorrected","supplied_units":"coccoliths per cell","value_format":null,"description":"\u003Cp\u003EThis is the number of attached coccoliths observed per cell with the number of coccoliths observed per cell from the blank samples subtracted to account for any coccoliths that might have remained after cells were de-lithed.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"514901","parameter_description":"\u003Cp\u003EConcentration of cells; often determined by spectrophotometry, flow cytometry, or using a microscope. May be referred to as \u0022cell count\u0022 (cells per volume unit).\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":"nd","parameter_official_name":"cell_concentration","parameter_external_identifier":null,"parameter_short_description":"cell_concentration","parameter_short_name":"cell_concentration","parameter_units":"various","parameter_units_external_identifier":null,"order":null},{"dataset_parameter_nid":"664037","supplied_name":"mean_attached_blankCorrected","supplied_units":"coccoliths per cell","value_format":null,"description":"\u003Cp\u003EThe average value for each set of three replicates.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"491108","parameter_description":"\u003Cp\u003EA central value of a discrete set of numbers: specifically, the sum of the values divided by the number of values\u003C\/p\u003E\n","parameter_max_value":"","parameter_min_value":"","parameter_nd_value":"nd","parameter_official_name":"mean","parameter_external_identifier":"","parameter_short_description":"mean","parameter_short_name":"mean","parameter_units":"various units","parameter_units_external_identifier":"","order":null},{"dataset_parameter_nid":"664038","supplied_name":"stdev_attached_blankCorrected","supplied_units":"coccoliths per cell","value_format":null,"description":"\u003Cp\u003EThe standard deviation for each set of three replicates.\u003C\/p\u003E\n","no_data_value":"nd","conversion_necessary":"no","conversion_utility":"","parameter_nid":"1974","parameter_description":"\u003Cp\u003EGeneric standard deviation value, taking on the units of the parameter that it is tied to.\u003C\/p\u003E\n","parameter_max_value":null,"parameter_min_value":null,"parameter_nd_value":null,"parameter_official_name":"standard deviation","parameter_external_identifier":null,"parameter_short_description":"standard deviation","parameter_short_name":"std_dev","parameter_units":"dimension-less","parameter_units_external_identifier":null,"order":null}]