1983
DOI: 10.3354/meps010265
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Microbial Processes Relating to Carbon Cycling in Southeastern Bering Sea Sediments

Abstract: Several microbial variables were measured in southeastern Bering Sea sediments which should theoretically be related to carbon cycling. The variables studied included glutamate and glucose uptake and respiration rates, CO, and methane production rates and the activities of the following hydrolases: cellulase, amylase, laminarinase, protease and xylanase. Nitrogen fixation (acetylene reduction) and denitrification rates, and phosphatase and arylsulfatase activities were also determined. The 2 regions studied we… Show more

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Cited by 25 publications
(14 citation statements)
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“…The experimentally determined methane production rates of the upper 20 cm of the sediment are within the range found in offshore marine sediments of the Black Sea (Heyer 1990), Bering Sea (Griffiths et al 1982) or open Baltic Sea (Lein et al 1981). They also fit very well to the data obtained by Lein et al (1981) in the Gotland Deep (Stn 2622) with the radiotracer method (reduction of '"CO2).…”
Section: Methane Production Ratessupporting
confidence: 69%
“…The experimentally determined methane production rates of the upper 20 cm of the sediment are within the range found in offshore marine sediments of the Black Sea (Heyer 1990), Bering Sea (Griffiths et al 1982) or open Baltic Sea (Lein et al 1981). They also fit very well to the data obtained by Lein et al (1981) in the Gotland Deep (Stn 2622) with the radiotracer method (reduction of '"CO2).…”
Section: Methane Production Ratessupporting
confidence: 69%
“…Furthermore, the turnover time for CH 4 oxidation in the Arctic Ocean exceeds 1.5 years (Griffiths et al, 1982, andValentine et al, 2001), which is much longer than the lifetime of first-year landfast ice. If we assumed that the turnover time is similar in landfast sea ice, then we would not expect to find major CH 4 oxidation in our ice samples.…”
Section: Impact Of Biological Activity On Ch 4 Concentrationsmentioning
confidence: 99%
“…During the incubation, 14 C-CH 4 or 3 H-CH 4 is converted at the same rate as the natural, non-labeled CH 4 to 14 CO 2 and 14 C-biomass or 3 H 2 O. Despite the importance of water column MO x controlling oceanic CH 4 emission to the atmosphere, only a small number of water column MO x rate measurements exist, which is particularly true for high-latitude environments (Ward and Kilpatrick, 1990;Griffiths et al, 1982). The available data show a large scatter of rates over several orders of magnitude ( Fig.…”
mentioning
confidence: 99%