Unknowns, Unresolved Issues, and Conclusions

The work from my laboratory described here was supported by grants from the National Science Foundation and the Department of Energy. I thank Matt Cottrell, Niels Jorgensen, Hugh Ducklow, and an anonymous reviewer for comments on the manuscript, and Stuart Findlay for organizing the DOM workshop where some of the material discussed here was first presented. 

Ammerman, J. W., and F. Azam. 1985. Bacterial 5 -nucleotidase in aquatic ecosystems A novel mechanism of phosphorus regeneration. Science 227 1338-1340. 

Hodson. 1981. Multiphasic kinetics for D-glucose uptake by assemblages of natural marine bacteria. Marine Ecology Progress Series 6 213-222. 

Holm-Hansen. 1973. Use of tritiated substrates in the study of heterotrophy in seawater. Limnology and Oceanography 23 191-196. 

Banoub, M. W., and P. J. L. Williams. 1972. Measurements of microbial activity and organic material in the western Mediterranean Sea. Deep-Sea Research 119 433-443. 

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VIII. Unknowns, Unresolved Issues, and Conclusions 236 References 237... 

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