Plankton 13C: 12C ratio changes with latitude: differences between northern and southern oceans

Degens, 1968, Metabolic fractionation of carbon isotopes in marine plankton—1. Temperature and respiration experiments, Deep-Sea Research, 15, 1 Degens, 1968, Metabolic fractionation of carbon isotopes in marine plankton—II. Data on samples collected off the coasts of Peru and Ecuador, Deep-Sea Research, 15, 11 Eadie, 1973, δ13C analyses of oceanic particulate organic matter, Marine Chemistry, 1, 199, 10.1016/0304-4203(73)90004-2 Fontugne, 1978, Carbon isotope ratio of marine plankton related to surface water masses, Earth and Planetary Science Letters, 41, 365, 10.1016/0012-821X(78)90191-7 Fontugne, 1981, Organic carbon isotopic fractionation by marine plankton in the temperature range −1 to 31°C, Oceanologica Acta, 4, 85 Fuchs, 1979, Carbon isotope fractionation by Methanobacterium thermoautotrophicum, Archives of Microbiology, 120, 135, 10.1007/BF00409099 Horrigan, 1981, Primary production under the Ross Ice Shelf, Antartica, Limnology and Oceanography, 26, 378, 10.4319/lo.1981.26.2.0378 Kroopnick, 1977, δ13C variations in marine carbonate sediments as indicators of the CO2 balance between the atmosphere and ocean, 295 McConnaughey, 1979, 13C label identifies eelgrass (Zostera marine) carbon in an Alaskan estuarine food web, Marine Biology, 53, 263, 10.1007/BF00952435 Rau, 1981, Hydrothermal vent clam and tube worm 13C/12C: Further evidence of nonphotosynthetic food sources, Science, 213, 338, 10.1126/science.213.4505.338 Rau, 1979, Carbon-13 depletion in a hydrothermal vent mussel: Suggestion of a chemosynthetic food source, Science, 203, 648, 10.1126/science.203.4381.648 Sackett, 1965, Temperature dependence of carbon isotope composition in marine plankton and sediments, Science, 148, 235, 10.1126/science.148.3667.235 Sackett, 1974, Stable isotope composition of organic carbon in recent antarctic sediments, 661 Smith, 1980, Synthesis of lipid during photosynthesis by phytoplankton of the Southern Ocean, Science, 207, 197, 10.1126/science.207.4427.197 Southward, 1981, Bacterial symbionts and low 13C: 12C ratios in the tissues of Pogonophora indicate unusual nutrition and metabolism, Nature, 293, 616, 10.1038/293616a0 Stump, 1973, Simultaneous determinations of carbon, hydrogen and nitrogen in organic compounds, Nuclear Science Abstracts, 28, 746 Sweeney, 1979, Carbon and nitrogen isotopic composition in marine plankton. Annual Report, BLM/DOE Contract No. EY-76-S-03-0034 Wong, 1978, Fractionation of stable carbon isotopes by marine phytoplankton, Geochimica et Cosmochimica Acta, 42, 1809, 10.1016/0016-7037(78)90236-3 Wong, 1978, Isotope fractionation by marine diatoms and paleoclimatological implications, U.S. Geological Survey Open File Report 78-701 Williams, 1970, Carbon-13: carbon -12 ratios in dissolved and particulate organic matter in the sea, Deep-Sea Research, 17, 19