Elemental and isotopic fractionation of carbon and nitrogen by marine, planktonic copepods and implications to the marine nitrogen cycle |
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| Authors: | Checkley, David M., Jr. Entzeroth, L. C. |
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| Affiliation: | University of Texas Marine Science Institute Port Aransas, TX 78373, USA 1 Conoco Inc., P.O. Box 1267, Ponca City, OK 74601, USA |
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| Abstract: | Particle-grazing copepods, primarily Temora longicornis andT. stylifera, and seawater with natural particles were collectedfrom the northwest Gulf of Mexico. Control and ammonium-enrichedaliquots of seawater were incubated in triplicate for 2 days,copepods added and the incubation continued for 2 days. Analyseswere made of dissolved nutrients (nitrate, ammonium and phosphate),suspended particles (chlorophyll a and phaeopigments, C, N, |
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