Publications
Koh EY, Phua W, Ryan KG (2011) Aerobic anoxygenic phototrophic bacteria in Antarctic sea ice. Environmental Microbiology Short Reports In press 2011
Ryan KG, McMinn, A Hegseth, E, and Davy S K (2012). The effects of Ultraviolet-B radiation on Antarctic Sea Ice Algae. J. Phycology In press
Heath MW, Wood SA, Ryan KG (2011) Spatial and temporal variability in Phormidium abundance and anatoxin production in two New Zealand rivers. Aquatic Microbial Ecology. DOI: 10.3354/ame01516.
Taskova, RM, Kokubun, T. Ryan, KG , Garnock-Jones, PJ, and Jensen, SR (2011) Iridoid and Phenylethanoid Glucosides from Veronica (sect. Hebe) lavaudiana. J Natural Products. DOI: 10.1021/np200233 p 74, 1477-1483
Maas EW, Koh, E, Simpson, AM, Maas, EW, Martin, A, Davy, SK, Ryan KG, O’Toole, R (2011). Phylogenetic analyses of bacteria in sea-ice at Cape Hallett, Antarctica. NZ Journal of Marine and Freshwater Science. Accepted March 2011
Cowie R, Maas E, Ryan KG (2011) Archaeal diversity in Antarctic sea ice. Antarctic Science. XX, 1-10. doi:10.1017/S0954102011000368
Ryan KG, Tay M-L, Martin A, Davy SK. (2011) Chlorophyll fluorescence imaging analysis of Antarctic bottom-ice algae: responses to light and salinity stress. Journal of Experimental Marine Biology and Ecology 399, 156-161.
Martin A, Anderson MJ, Thorn C, Davy SK, Ryan KG (2011) Response of sea ice microbial communities to environmental change: an in situ reciprocal translocation experiment in the Antarctic. MEPS. 424, 25-37.
Wood SA, Heath MW, Kuhajek J, Ryan K (2010). Fine scale spatial variability of anatoxin production in benthic cyanobacteria; implication for monitoring and management. Journal of Applied Microbiology. 109, 2011-2018.
McMinn A, Martin A, Ryan KG (2010). Phytoplankton and sea ice algal biomass and physiology during the transition between winter and spring in 2007 and 2008. Polar Biology, 33, 1547-1556.
Pufal G, Ryan KG, Garnock-Jones P, (2010) Hygrochastic capsule dehiscence in New Zealand alpine Veronica (Plantaginaceae). American Journal of Botany 97, 1413 - 1423.
Koh YE, Cowie ROM, Atamna-Ismaeel, N, Martin AR, Béjà O, O’Toole R, Davy SK, & Ryan KG (2010) Light harvesting bacteria in Antarctic sea ice. Applied and Environmental Microbiology. 76, 5918-5925.
Heath MW, Wood SA, Ryan KG (2010) Polyphasic assessment of fresh-water benthic mat forming cyanobacteria in New Zealand. FEMS Microbiology. 73, 95-109
Taskova RM, Kokubun T, Ryan KG, Garnock-Jones PJ, Jensen SR (2010). Iridoid and phenylethanoid glycosides in the New Zealand snow hebes (Veronica; Plantaginaceae). Chem. Pharm. Bull. 58, 703-711
McMinn A, Pankowski A, Ashworth C, Bhagooli R, Ralph P, and Ryan KG (2010). In situ net primary productivity and photosynthesis of Antarctic sea ice algal, phytoplankton and benthic algal communities. Marine Biology 157, 1345-1356.
Wood SA, Heath MW, McGregor G, Holland PT, Munday R, Ryan KG (2010). Identification of a benthic microcystin producing Planktothrix spp. and an associated dog poisoning in New Zealand. Toxicon. 55, 897-903.
Martin A, Hall JA, Ryan KG (2009) Low salinity and high UV-B radiation reduces single-cell activity in Antarctic sea ice bacteria. Applied and Environmental Microbiology. 75, 7570 – 7573.
Ryan KG, Cowie R, Liggins L, McNaughtan D, Martin A, and Davy S (2009). The short-term effect of irradiance on the photosynthetic properties of Antarctic fast-ice microalgal communities. J Phycology. 45, 1290-1298.
Ryan KG, Burne A, Seppelt R (2009). Historical ozone concentrations and flavonoid levels in herbarium specimens of the Antarctic moss Bryum argenteum. Global Change Biology. 15, 1694-1702.
Martin AR, Hall J, O’Toole R, Davy SK, Ryan KG, (2008). High single-cell metabolic activity in Antarctic sea ice bacteria. Aquatic Microbial Ecology 52, 25-31.
Taskova RM, Kokubun T, Grayer RJ, Ryan KG, Garnock-Jones P. (2008). Flavonoid profiles in the Heliohebe group of New Zealand Veronica (Plantaginaceae). Biochemical Systematics and Ecology 36, 110-116.
Ralph P, Ryan KG, Martin A and Fenton G (2007) Melting-out of sea-ice algae causes greater photosynthetic stress than freezing-in. J. Phycol 43, 948 – 956.
McMinn A, Ryan KG, Ralph P, Pankowski A.(2007) Spring sea ice primary productivity and biomass distribution in the Mertz Polyna area, Eastern Antarctica, 2002-2004. Mar. Biol. 151 985-995.
Ryan KG, Hegseth EN, Martin A, Davy SK, O’Toole R, Ralph PJ, McMinn, A and Thorn, CJ (2006). Comparison of the microalgal community within fast ice at two sites along the Ross Sea coast, Antarctica. Antarctic Science 18(4) 583-594.
Hunt J, Ryan, KG (2006). The effects of UVB radiation on southern temperate forests. “UV Radiation and its effects – 2006 Update” Conference Christchurch.