High-arctic meromictic lake a

WebThe geochemical processes occurring within meromictic Lake A (maxdepth 120 m) on northern Ellesmere Island, Canada, were investigated to determinethe history of the lake and to provide a baseline for future studies. The lake contained seawaterdiluted by freshwater input that had been mixed prior to the lake's isolation from tidalaction. WebHigh Arctic meromictic lakes are extreme environments characterized by cold temperatures, ... (2012) Pyrosequencing analysis of the protist communities in a High Arctic meromictic lake: DNA preservation and change. Front. Microbio. 3:422. doi: 10.3389/fmicb.2012.00422. Received: 14 August 2012; Accepted: 24 November 2012; …

Geochemistry of ice-covered, meromictic Lake A in the Canadian High Arctic

WebSpatial and temporal variability in a High Arctic meromictic lakeBy Sophie CharvetAbstract #914 to be presented at the IPY Montreal ConferenceFrostBytes -- '... Web1 de jun. de 2002 · Lake A is a salinity-stratified, ice-capped lake located in a polar desert catchment on northern Ellesmere Island, Nunavut, Canada that has been the site of … imperial eastman hytron https://ridgewoodinv.com

Vertical structure of archaeal communities and the distribution of ...

Web× Close. The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. Webal high arctic, meromictic lakes were discovered by Hattersley-Smith et al. (1970), and again, the deeper water (monimolimnion) was considered to be old sea * This is the … Web2 de mar. de 2009 · Meromictic (permanently stratified) lakes are found in both the north and south polar regions, and are characterized by vertical gradients in their physical and chemical properties ( Priscu, 1997; Van Hove et al ., 2006 ), providing diverse potential habitats for microbial growth and niche differentiation. litcharts the happiest refugee

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Category:Geochemistry of ice-covered, meromictic Lake A in the Canadian High Arctic

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High-arctic meromictic lake a

Pyrosequencing analysis of the protist communities in a High Arctic ...

Web1 de jun. de 2015 · We applied high-throughput sequencing of the V9 region (18S rRNA gene) to provide a hitherto unique spatiotemporal analysis of protistan diversity along the oxygen gradient of a freshwater meromictic lake (Lake Alatsee, SW Germany). In the mixolimnion, the… View on PubMed doi.org Save to Library Create Alert Cite Figures … Web30 de set. de 2015 · A meromictic lake has an upper mixolimnion (a stratum where mixing by wind occurs), a lower monimolimnion (the more dense stratum that is not mixed by …

High-arctic meromictic lake a

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WebVertical structure of archaeal communities and the distribution of ammonia monooxygenase A gene variants in two meromictic High Arctic lakes Jérémie Pouliot,1 Pierre E. Galand,1,2 Connie Lovejoy1 and Warwick F. Vincent3* 1Département de Biologie and Québec-Océan, Université Laval, Québec, QC G1V 0A6, Canada. Web7 de abr. de 2024 · Laboratory and statistical analyses. Lab analyses were consistent with previous research we have conducted for Lake Yojoa 19.Briefly, Chl-a was measured on a 10-AU fluorometer (Turner Designs Part ...

Web13 de mai. de 2024 · We sampled a highly stratified meromictic lake near the northern limit of the Canadian High Arctic, a region in rapid transition due to climate change. We … WebThe distribution of archaeal amoA and 16S rRNA genes was evaluated in two marine-derived, meromictic lakes in the Canadian High Arctic: Lake A and Lake C1 on the …

Web1 de nov. de 2009 · Lake A is located along the northern coast of Ellesmere Island in Quttinirpaaq National Park (83°00′ N, 75°30′ W; Fig. 1 ). It lies approximately 4 m above sea level, with a maximum known depth of 128 m, a surface area of 4.9 km 2, and a catchment of 37 km 2 ( Jeffries et al., 1984, Van Hove et al., 2006 ). Lake A is perennially ice-covered. Web20 de dez. de 2012 · Pyrosequencing analysis of the protist communities in a High Arctic meromictic lake: DNA preservation and . change.pdf. Content available from CC BY 3.0: fmicb-03-00422.pdf.

WebGarrow Lake (75° 23′ N; 96° 50′ W), located 3 km from the southern tip of Little Cornwallis Island and 6.7 m above mean sea level, is a meromictic ecto-creno-cryogenic lake with an area of 418 ha and a maximum water depth of 49 m. The thermal stratification of this lake is mesothermic (heliothermic).

Webvolume of the lake to be available for net primary production. An example of this latter effect is given in Antoniades et al. (2009) who concluded that the deep layer of photosynthetic sulfur bacteria in high Arctic meromictic Lake A appeared to be more extensive and active under conditions of decreased snow and ice cover. The absence imperial eastman tc1000WebJeg er miljøleder og for tiden i tillegg fungerende Sikkerhets- og kvalitetsleder i ett større utbyggingsprosjekt hos Bane NOR, og har over 12 års erfaring innen miljøovervåking og prosjektledelse. De siste årene har jeg hatt ansvaret for miljø-overvåking både innen Vannområder og samferdsel som utbygging av vei og jernbane. Foruten … imperial eastman tc 1000WebSeasonal variations in community structure of anoxygenic phototrophic bacteria from the meromictic Lake Trekhtsvetnoe (Kandalaksha Bay, White Sea ... Wierzchos J., Vincent W.F., Quesada A. Microstructure and cyanobacterial composition of microbial mats from the High Arctic // Biodivers. Conserv. 2015. V. 24. P. 841–863. Edgar R.C ... litcharts themesWeb20 de jan. de 2024 · The extreme geochemical and environmental conditions in meromictic ice-capped Lake A, in the Canadian High Arctic, provided an isolated, stratified model … litcharts the handmaid\\u0027s taleimperial echoes brass bandWeb16 de fev. de 2024 · Isolated and highly stratified, the extreme geochemical and environmental features of meromictic ice-capped Lake A, in the Canadian High Arctic, … litcharts the kite runnerWebThe Lake C2 series is the first non-ice cap, high resolution late-Holocene environmental record from the Canadian high arctic. The composite varve series compares favorably … imperial eastman tube bender