Ecological Archives E096-159-A1
Adrianne P. Smits, Daniel E. Schindler, and Michael T. Brett. 2015. Geomorphology controls the trophic base of stream food webs in a boreal watershed. Ecology 96:1485–1492. http://dx.doi.org/10.1890/14-2247.1
Appendix A. Table listing fatty acids included in composite variables used in the principal components analysis (PCA).
Table A1. List of the fatty acids that were summed into composite variables in the principal components analysis. References are included where fatty acids have been attributed to specific groups of organisms (ex. Diatoms):
Composite variable |
Fatty acids |
References |
SAFA |
C14:0, C15:0, C16:0, C17:0, C18:0, C20:0, C22:0 |
|
Green Algae |
18:2n6, 18:3n3 |
Torres-Ruiz et al. 2007 |
Diatoms |
20:5n3, 16:4n3 |
Torres-Ruiz et al. 2007 |
SDA |
18:4n3 |
|
Branched |
iso-17:0, iso-16:0, ante-iso-15:0, iso-15:0 |
Kharlamenko et al. 1995 |
MOB |
16:1n8 |
Sundh et al. 2005; Taipale et al. 2012 |
Sulfate-reducing bacteria |
16:1n5 |
Elvert et al. 2003 |
C16 MUFA |
16:1n7, 16:1n9 |
|
C14 MUFA |
14:1n7, 14:1n5 |
|
C18 MUFA |
18:1n7, 18:1n9 |
|
ARA |
20:4n6 |
|
Literature cited
Elvert, M., A. Boetius, K. Knittel, and B. B. Jørgensen. 2003. Characterization of specific membrane fatty acids as chemotaxonomic markers for sulfate-reducing bacteria involved in anaerobic oxidation of methane. Geomicrobiology Journal 20:403–419.
Kharlamenko, V. I., N. V Zhukova, S. V Khotimchenko, V. I. Svetashev, and G. M. Kamenev. 1995. Fatty acids as markers of food sources in a shallow- water hydrothermal ecosystem (Kraternaya Bight, Yankich Island, Kurile Islands ). Marine Ecology Progress Series 120:231–241.
Sundh, I., D. Bastviken, and L. J. Tranvik. 2005. Abundance, activity, and community structure of pelagic methane-oxidizing bacteria in temperate lakes. Applied and environmental microbiology 71:6746–52.
Taipale, S. J., M. T. Brett, K. Pulkkinen, and M. J. Kainz. 2012. The influence of bacteria-dominated diets on Daphnia magna somatic growth, reproduction, and lipid composition. FEMS Microbiology Ecology 82:50–62.
Torres-Ruiz, M., J. D. Wehr, and A. a. Perrone. 2007. Trophic relations in a stream food web: importance of fatty acids for macroinvertebrate consumers. Journal of the North American Benthological Society 26:509–522.