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A multiyear time series (2004-2012) of bacterial and archaeal community dynamics in a changing Arctic Ocean

Author(s): Kraemer SA; Ramachandran A; Onana VE; Li WKW; Walsh DA;

Climate change is profoundly impacting the Arctic, leading to a loss of multiyear sea ice and a warmer, fresher upper Arctic Ocean. The response of microbial communities to these climate-mediated changes is largely unknown. Here, we document the interannual ...

Article GUID: 38282643


Publisher Correction: A genome catalogue of lake bacterial diversity and its drivers at continental scale

Author(s): Garner RE; Kraemer SA; Onana VE; Fradette M; Varin MP; Huot Y; Walsh DA;

No abstract

Article GUID: 37821571


A genome catalogue of lake bacterial diversity and its drivers at continental scale

Author(s): Garner RE; Kraemer SA; Onana VE; Fradette M; Varin MP; Huot Y; Walsh DA;

Lakes are heterogeneous ecosystems inhabited by a rich microbiome whose genomic diversity is poorly defined. We present a continental-scale study of metagenomes representing 6.5 million km2 of the most lake-rich landscape on Earth. Analysis of 308 Canadian ...

Article GUID: 37524802


Geospatial analysis reveals a hotspot of fecal bacteria in Canadian prairie lakes linked to agricultural non-point sources

Author(s): Oliva A; Onana VE; Garner RE; Kraemer SA; Fradette M; Walsh DA; Huot Y;

Lakes are sentinels of environmental changes within their watersheds including those induced by a changing climate and anthropogenic activities. In particular, contamination originating from point or non-point sources (NPS) within watersheds might be reflec ...

Article GUID: 36653256


Degradation pathways for organic matter of terrestrial origin are widespread and expressed in Arctic Ocean microbiomes

Author(s): Grevesse T; Guéguen C; Onana VE; Walsh DA;

Background: The Arctic Ocean receives massive freshwater input and a correspondingly large amount of humic-rich organic matter of terrestrial origin. Global warming, permafrost melt, and a changing hydrological cycle will contribute to an intensification of ...

Article GUID: 36566218


Comparing microscopy and DNA metabarcoding techniques for identifying cyanobacteria assemblages across hundreds of lakes

Author(s): MacKeigan PW; Garner RE; Monchamp MÈ; Walsh DA; Onana VE; Kraemer SA; Pick FR; Beisner BE; Agbeti MD; da Costa NB; Shapiro BJ; Gregory-Eaves ...

Accurately identifying the species present in an ecosystem is vital to lake managers and successful bioassessment programs. This is particularly important when monitoring cyanobacteria, as numerous ...

Article GUID: 35287928


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