Biodiversity of air-borne microorganisms at Halley station, Antarctica

作者: David A. Pearce , K. A. Hughes , T. Lachlan-Cope , S. A. Harangozo , A. E. Jones

DOI: 10.1007/S00792-009-0293-8

关键词: Microbial ecologyPeninsulaEcologyPrevailing windsBiodiversityHuman impact on the environmentSea icePeriod (geology)BiologyExtreme environment

摘要: A study of air-borne microbial biodiversity over an isolated scientific research station on ice-shelf in continental Antarctica was undertaken to establish the potential source colonists. The aimed assess: (1) whether microorganisms were likely have a local (research station) or distant (marine terrestrial) origin, (2) effect changes sea ice extent and (3) human impact environment. Air samples taken above Halley Research Station during austral summer winter 2-week period. Overall, low detected, which included many sequence replicates. No significant patterns detected aerial between winter. In common with other environmental studies, particularly polar regions, sequences obtained from as yet uncultivated organisms. Very few marine irrespective distance open water, around one-third similar those identified though both these might reflect prevailing wind conditions. markedly different earlier studies Antarctic Peninsula maritime Antarctic.

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