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Aerobic And Anaerobic Degradation And Mineralization Of C-14 Chitin By Water Column And Sediment Inocula Of The York-River-Estuary, Virginia, Jn Boyer
VIMS Articles
Potential rates of chitin degradation (C(d)) and mineralization (C(m)) by estuarine water and sediment bacteria were measured as a function of inoculum source, temperature, and oxygen condition. In the water column inoculum, 88 to 93% of the particulate chitin was mineralized to CO2 with no apparent lag between degradation and mineralization. No measurable dissolved pool of radiolabel was found in the water column. For the sediment inocula, 70 to 90% of the chitin was degraded while only 55 to 65% was mineralized to CO2. C-14 label recoveries in the dissolved pool were 19 to 21% for sand, 17 to 24% …