A comparison of methods for measuring primary productivity and community respiration in streams

  title={A comparison of methods for measuring primary productivity and community respiration in streams},
  author={Thomas L. Bott and James T. Brock and Colbert E. Cushing and Stanley V. Gregory and Diana D King and Robert B Petersen},
Carbon dioxide and oxygen exchange procedures for measuring community metabolism (two open stream methods and three chamber methods) were compared on the same reach of a third-order stream. Open stream methods were complicated by high diffusion rates and yielded net community primary productivity estimates lower than those obtained with chamber methods. Chamber methods yielded variable productivity and respiration data. However, when normalized for chlorophyll a, productivity estimates from the… CONTINUE READING
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