106 Works

Curated reference database of SSU rRNA for northern marine and freshwater communities of Archaea, Bacteria and microbial eukaryotes

Connie Lovejoy, André Comeau & Mary Thaler
High throughput sequencing technologies, such as Roche 454 pyrosequencing and Illumina can enable semi-quantitative study of communities of single-celled organisms by generating hundreds of thousands of short sequence reads from a single environmental sample. However, to identify the taxa to which these reads belong requires a reliable database of reference sequences. We maintain databases of taxa from all three domains of life found in marine and freshwater samples in the Canadian Arctic and subarctic, along...

Climate station data from the Quaqtaq region in Nunavik, Quebec, Canada

Denis Sarrazin & Michel Allard
The datasets in this issue of Nordicana D are data collected from the Quaqtaq region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2004-2017. Data are available as: (1) recorded data; (2) daily averages; (3) monthly averages; and (4) yearly averages.

Climate station data from Macpès research forest in the Rimouski area, Quebec, Canada

Dominique Arsenault, François Vézina, Luc Sirois, Thomas Buffin-Bélanger & Bernard Hétu
The data are collected from three stations in the Forêt d’enseignement et de recherche de Macpès which is located about 20 km south of the city of Rimouski in Quebec, Canada. Station 1 and 2 are located in a mature forest of 50 years and station 3 is located in a logging area. Data from air temperature and humidity, wind speed and direction which are situated at 4 different heights (2-8-14-20m) are presented. The soil...

Permafrost geochemistry and retrogressive thaw slump morphology (Peel Plateau, Canada)

Scott Zolkos & Suzanne E. Tank
In ice-rich hummocky terrains spanning broad swaths of the Canadian Arctic, accelerating permafrost thaw and terrain subsidence (thermokarst) are exposing materials that were previously locked away for millennia. Among the most significant implications of thermokarst is the rapid mobilization of these materials into modern biogeochemical cycles. For instance, retrogressive thaw slumps (RTSs) can release large amounts of ions, carbon, nutrients, and sediments into streams, thereby reshaping freshwater ecosystems and elemental cycles. As features that expose...

Climate station data from Bylot Island in Nunavut, Canada

Centre D'études Nordiques
The datasets in this issue of Nordicana D are data collected from Bylot Island, Nunavut, Canada. It contains data from air and ground temperatures, air humidity, solar radiation, wind speed and direction and the average snow height. The available datasets cover the period from 1992-2018. For each site, the number of measured variables differs. For ground temperature, the depth ranges are as follows: Bylot SILA (BYLOSIL): 5-10 cm. Bylot Montagne à Jack (BYLJACK): 2-10 cm....

Climate station data from the Salluit Region in Nunavik, Quebec, Canada

Centre D'études Nordiques
The datasets in this issue of Nordicana D are data collected from the Salluit region in Nunavik, Québec, Canada. It contains data from air and ground temperatures and wind speed and direction. The available datasets cover the period from 1987-2017. For each site, the number of measured variables differs. For ground temperature, the depth ranges are as follows: Saluit SILA 2 (SALSIL2): 2-10 cm. Salluit HT-154 (SALT154): 100-2000 cm. Salluit SILA (SALTSIL): 5-900 cm. Data...

Climate station data from the Umiujaq region in Nunavik, Quebec, Canada

Centre D'études Nordiques
The datasets in this issue of Nordicana D are data collected from the Umiujaq region in Nunavik, Quebec, Canada. It contains data from air temperatures, air humidity, solar radiation and wind speed and direction. The available datasets cover the period from 1997-2018. Data are available as: (1) recorded data; (2) daily averages; (3) monthly averages; and (4) yearly averages.

Climate station data from the Kuujjuaq region in Nunavik, Quebec, Canada

Denis Sarrazin & Michel Allard
The datasets in this issue of Nordicana D are data collected from the Kuujjuaq region in Nunavik, Quebec, Canada. It contains data from air temperatures. The available datasets cover the period from 2006-2017. Data are available as: (1) recorded data; (2) daily averages; (3) monthly averages; and (4) yearly averages.

Monitoring of Lapland longspur reproduction on Bylot Island, Nunavut, Canada

Gilles Gauthier & Joël Bêty
The Lapland longspur (Calcarius lapponicus) is one of the most abundant and visible terrestrial songbird breeding in the Arctic. As other Arctic-nesting birds, they are constrained by a very short time period during which they can reproduce. Though the timing of hatch is critical for the growth and survival of young, even more crucial is the ability of longspurs to ensure that their nests survive until hatch. Nest predation is an important source of mortality...

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    4
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    1
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