Articles | Volume 13, issue 1
Biogeosciences, 13, 175–190, 2016
https://doi.org/10.5194/bg-13-175-2016

Special issue: Freshwater ecosystems in changing permafrost landscapes

Biogeosciences, 13, 175–190, 2016
https://doi.org/10.5194/bg-13-175-2016

Research article 15 Jan 2016

Research article | 15 Jan 2016

Co-occurrence patterns in aquatic bacterial communities across changing permafrost landscapes

J. Comte et al.

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Cited articles

Abnizova, A., Siemens, J., Langer, M., and Boike, J.: Small ponds with major impact: The relevance of ponds and lakes in permafrost landscapes to carbon dioxide emissions, Global Biogeochem. Cy., 26, 1–9, https://doi.org/10.1029/2011GB004237, 2012.
Andersson, A. F., Riemann, L., and Bertilsson, S.: Pyrosequencing reveals contrasting seasonal dynamics of taxa within Baltic Sea bacterioplankton communities, ISME J., 4, 171–181, https://doi.org/10.1038/ismej.2009.108, 2009.
Andresen, C. G. and Lougheed, V. L.: Disappearing Arctic tundra ponds: Fine-scale analysis of surface hydrology in drained thaw lake basins over a 65 year period (1948–2013), J. Geophys. Res.-Biogeo., 120, https://doi.org/10.1002/2014JG002778, 2015.
Araújo, M. B., Rozenfeld, A., Rahbek, C., and Marquet, P. A.: Using species co-occurrence networks to assess the impacts of climate change, Ecography, 34, 897–908, 2011.
Anderson, M. J., Ellingsen, K. E., and McArdle, B. H.: Multivariate dispersion as a measure of beta diversity, Ecol. Lett., 9, 683–693, https://doi.org/10.1111/j.1461-0248.2006.00926.x, 2006.
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Thaw ponds and lakes varied in their bacterial community structure. A small number of taxa occurred in high abundance and dominated many of the communities. Nevertheless, there were taxonomic differences among different valleys implying some degree of habitat selection. Association networks were composed of a limited number of highly connected OTUs. These "keystone species" were not merely the abundant taxa, whose loss would greatly alter the structure and functioning of these aquatic ecosystem.
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