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Freshwater diatoms on sub-Antarctic Macquarie Island: an ecological survey of 14 lakes
McBride, TP (2009) Freshwater diatoms on sub-Antarctic Macquarie Island: an ecological survey of 14 lakes. Papers and Proceedings of the Royal Society of Tasmania, 143 (2). pp. 73-82. ISSN 0080-4703
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A survey of the diatom (Bacillariophyceae) populations in 14 lakes and ponds on sub-Antarctic Macquarie Island identified 102 species hom 34 genera, including species considered endemic to the sub-Antarctic region. Multivariate analysis of the diatom communities divided the lakes into two broad groups; oligotrophic plateau lakes dominated by species including Bmchysira exilis, Fragilaria capucina var. gracilis, Psammothidium abundans, Ps. confosum and Ps. confusum var. atomoides, and lowland peat-based lakes dominated by species including Fragilaria pulchella, Planothidium lanceolatum and Pl. quadripunctatum. Factors relating to lake elevation rather than water pH or conductivity appeared to have most influence on the lake diatom communities.
|Keywords:||Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library|
|Journal or Publication Title:||Papers and Proceedings of the Royal Society of Tasmania|
|Page Range:||pp. 73-82|
|Additional Information:||Copyright Royal Society of Tasmania|
|Date Deposited:||11 May 2012 04:31|
|Last Modified:||18 Nov 2014 04:31|
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