TABLE
2.5. Fatty acids as biochemical markers of sources of organic matter
in freshwater ecosystems.
Source
Bacterial assemblages
Gram-negative bacteria
Aerobic bacteria
Sulfur-oxidizing bacteria
Sulfate-reducing bacteria
Methanotrophic bacteria
Anaerobic photosynthetic bacteria
Thermus aquatic us, Bacillus
stearothermophilu.l'
Cyanobacteria
Ceratium
sp. (dinoflagellate)
Phytoplankton
Green algae
Diatoms
Diatoms
Prymnesiophytes
Green algae
Chlorobium
sp.
Chlamydomonas
sp.
Coscinodiscus
sp. and Cyclotella
sp.
Vascular plant detritus
Reservoir
POC in Antarctic lake
Lake sediments
Submerged biofilms
Lake seston
Wetland sediments, lake seston
Wetland sediments
Brackish pond POM
Hot springs
Lake seston
Lake seston
Lake POM
Stream periphyton
Stream periphyton
Lake phytoplankton
Brackish pond POM
Antarctic lake POM
Antarctic lake POM
Lake phytoplankton
Lake phytoplankton
Wetland sediments, lake POM
Fatty acid marker
LBranched fatty acidsll6:0 ratio
Hydroxy fatty acids
18:1007
18:1007
iso17:0,
br17:0, 17:1006
16:1w6, trans-16:1w5,
18:1w8
16:1007, 18:1007
iso17:0, isol5:0
18:1007
22:6003
C16 and C20 PUFA
18:3003
20:5003
16: 1 w71l8: I w9 ratio
18:4003, 18:5003, 20:5003, 22:6003
18:1009, 18:2, 18:3, 16:4
16:4, 18:2, 18:3, 18:4
18:1009, 18:0, 14:0, 15:0
18:1003
20:5003
Long-chain fatty acids (C20-C32), low
C16/C26 ratio
Reference
Mancuso et a1., 1990
Fukushima et a1., 1992
Scholz and Boon, 1993
Fredrickson et a1., 1986
Boon et a1 .. 1996; Fredrickson et al..
1986
Boon et
a1., 1996
Wakeham and Canuel, 1990
Dobson et
a1., 1988; Ray et a1., 1971
Fredrickson et a1., 1986
Fredrickson et
a1., 1986
Miyazaki et ai., 1986; Mermoud et a1.,
1981
Napolitano et a1., 1994; Steinman et a1.,
1988; Mcintire et a1., 1969
Napolitano et a1., 1994; Steinman et a1.,
1988; McIntire et a1., 1969
Bourdier and Amblard, 1988
Wakeham and Canuel, 1990
Wakeham and Canuel, 1990
Volkman et
a1., 1988
Volkman et a1., 1988; Kenyon, 1972
Miyazaki, 1983
Miyazaki, 1983
Boon et a1., 1996; Kawamura et a1.,
1987; Meyers et a1., 1984