Palmer LTER: Grazing by the antarctic krill Euphausia superba on Nitschia sp. and Phaeocystis sp. monocultures

Figure 3. Cumulative frequency distribution of the mean krill bio mass (g nr2) of 1-km subsamples for the fast (solid line) and slow (dashed line) surveys. Cram, D.L., J.J. Agenbag, I. Hampton, and A.A. Robertson. 1979. SAS Protea Cruise, 1978: The general results of the acoustics and remote sensing study, with recommendations for estimating the abundance of krill {Euphausia superba Dana). South African Jour nal of Antarctic Research, 9(1), 3-14. Kalinowski, J., and Z. Witek. 1985. Scheme for classifying aggregations of antarctic krill {BIOMASS Handbook No. 27). Scientific Commit tee on Antarctic Research/Scientific Committee on Oceanic Research. Lascara, CM., E.E. Hofmann, LB. Quetin, and R.M. Ross. 1993. Palmer LTER: Overview of krill acoustic studies and results from the Antarctic Peninsula grid. Antarctic Journal of the U.S., 28(5). Quetin, L.B., R.M. Ross, and K. Baker. 1993. PALMER long-term eco logical research (LTER): An overview of the 1992-1993 season. Antarctic Journal of the U.S., 28(5). Ross, R.M., and L.B. Quetin. 1992. PALMER long-term ecological research (LTER): An overview of the 1991-1992 season. Antarctic Journal of the U.S., 27(5), 235^236. Waters, K.J., and R.C. Smith. 1992. PalrnerLTER: A sampling grid for the Palmer LTER program. Antarctic Journal of the U.S., 27(5), 236-239.