Photochemical formation of labile organic matter from two components of dissolved organic carbon in a freshwater wetland

Aquatic Microbial Ecology

Volumn 16, Issue 1, 1998, Pages 95-102

  Bano, Nasreen ^a   Moran, Mary Ann ^a   Hodson, Robert E ^a  

^a UNIVERSITY OF GEORGIA   (United States)

Author keywords

Bacterial secondary production; DOM; Humic substances; Photodegradation

Indexed keywords

EID: 0002949990     PISSN: 09483055     EISSN: None     Source Type: Journal    
DOI: 10.3354/ame016095     Document Type: Article

References (35)

1. Aiken GR (1985) Isolation and concentration techniques for aquatic humic substances. In; Aiken GR, McKnight DM, Wershaw RL, MacCarthy P (eds) Humic substances in soil, sediment and water. Wiley, Chichester, p 363-385
2. Aiken GR, McKnight DM, Thorn KA, Thurman EM (1992) Isolation of hydrophilic organic acids from water using nonionic macroporous resins. Org Geochem 18:567-573
3. Allard B, Borén H, Pattersson C, Zhang G (1994) Degradation of humic substances by UV irradiation. Environ Int 20:97-101
4. Amador JA, Alexander M, Zika RG (1989) Sequential photochemical and microbial degradation of organic molecules bound to humic acid. Appl Environ Microbiol 55:2843-2849
5. Azam F, Hodson RE (1977) Dissolved ATP in the sea and its utilization by marine bacteria. Nature 267:696-698
6. Backlund P (1992) Degradation of aquatic humic material by ultraviolet light. Chemosphere 25:1869-1878
7. Bano N, Moran MA, Hodson RE (1997) Bacterial utilization of dissolved humic substances from a freshwater swamp. Aquat Microb Ecol 12:233-238
8. Bratbak G, Dundas I (1984) Bacterial dry matter content and biomass estimations. Appl Environ Microbiol 48:755-757
9. Bushaw KL, Zepp RG, Tarr MA, Schulz-Jander D, Bourbonniere RA, Hodson RE, Miller WL, Bronk DA, Moran MA (1996) Photochemical release of biologically available nitrogen from aquatic dissolved organic matter. Nature 381:404-407
10. De Haan H (1993) Solar UV-light penetration and photodegradation of humic substances in peaty lake water. Limnol Oceanogr 38:1072-1076
11. Hobble JE, Daley RJ, Jasper S (1977) Use of Nuclepore filters for counting bacteria by fluorescence microscopy. Appl Environ Microbiol 33:1225-1228
12. Kieber DJ, McDaniel J, Mopper K (1989) Photo-chemical source of biological substrates in sea water: implications for carbon cycling, Nature 353:60-62
13. Kieber RJ, Zhou X, Mopper K (1990) Formation of carbonyl compounds from UV-induced photodegradation of humic substances in natural waters: fate of riverine carbon in the sea. Limnol Oceanogr 35:1503-1515
14. Kirchman DL, K'nees E, Hodson R (1985) Leucine incorporation and its potential as a measure of protein synthesis by bacteria in natural aquatic systems. Appl Environ Microbiol 49:599-607
15. Kirk JTO (1994) Optics of UV-B radiation in natural waters. Ergebn Limnol 42:1-16
16. 2) and methanotrophic bacteria. FEMS Microbiol Ecol 23:7-14
17. Leenheer JA (1981) Comprehensive approach to preparative isolation and fractionation of dissolved organic carbon from natural waters and wastewaters. Environ Sci Technol 15:578-587
18. Lindell JM, Granéli WH, Tranvik LJ (1996) Effects of sunlight on bacterial growth in lakes of different humic content. Aquat Microb Ecol 11:135-141
19. Miller WL (1998) Effects of UV radiation on aquatic humus: photochemical principles and experimental considerations. In: Hessen DO, Tranvik L (eds) Aquatic humic substances: ecology and biogeochemistry. Springer Verlag, Berlin, p 125-143
20. Miller WL, Moran MA (1097) Interaction of photochemical and microbial processes in the degradation of refractory dissolved organic matter from a coastal marine environment. Limnol Oceanogr 42:1317-1324
21. Miller WL, Zepp RG (1995) Photochemical production of dissolved inorganic carbon from terrestrial organic matter: significance to the oceanic organic carbon cycle. Geophys Res Lett 22:417-420
22. Moran MA, Hodson RE (1990) Bacterial production on humic and non-humic components of dissolved organic carbon. Linmol Oceanogr 35:1744-1756
23. Moran MA, Zepp RG (1997) Role of photoreactions in the formation of biologically labile compounds from dissolved organic matter. Limnol Oceanogr 42:1307-1316
24. Rykiel EJ (1984) General hydrology and mineral budgets for Okefenokee Swamp: ecological significance, In: Cohen AD, Casagrande DJ, Andrejko MJG, Best R (eds) The Okefenokee Swamp: its natural history, geology, and geochemistry, Wetland Surveys, Los Alamos, p 212-228
25. Simon M, Azam F (1989) Protein content and protein synthesis rates of planktonic marine bacteria. Mar Ecol Prog Ser 51:201-213
26. 3H-leucine. Mar Microb Food Webs 6:107-114
27. Strome DJ, Miller MC (1978) Photolytic changes in dissolved humic substances. Int Ver Theor Angew Limnol Verh 20: 1248-1254
28. Thurman EM (1985) Organic geochemistry of natural waters. Martinus Nijhoff/Dr W Junk, Boston
29. Tranvik LJ (1988) Availability of dissolved organic carbon for planktonic bacteria in oligotrophic lakes of different humic content. Microb Ecol 16:311-322
30. Valentine RL, Zepp RG (1993) Formation of carbon monoxide from the photodegradation of terrestrial dissolved organic carbon in natural waters. Environ Sci Technol 27: 409-412
31. Wetzel RG, Hatcher PG, Bianchi TS (1995) Natural photolysis by ultraviolet irradiance of recalcitrant dissolved organic matter to simple substrates for rapid bacterial metabolism. Limnol Oceanogr 40:1369-1380
32. Wright RT, Hobbie JE (1966) Use of glucose and acetate by bacteria and algae in aquatic ecosystems. Ecology 47: 447-464
33. Zepp RG (1982) Experimental approaches to environmental photochemistry. In: Hutzinger BO (ed) The handbook of environmental chemistry, Vol 2/PartB. Springer-Verlag, Berlin, p 19-41
34. Zepp RG, Miller WL, Bourbonniere RA, Tarr M (1995) Interactions of changing solar ultraviolet radiation on organicmatter photooxidations in northern peatlands. Abstr Pap Am Chem Soc 210(1): #69 ENVR
35. Zuo Y, Jones RD (1995) Formation of carbon monoxide by photolysis of dissolved marine organic material and its significance in the carbon cycling of the oceans. Naturwissenschaften 82:474-474