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Fig. 14. Ascarophis arctica Polyanskiy, 1952 from Gasterosteus aculeatus Linnaeus, scanning electron micrographs. A in Rhabdochona angusticaudata sp. n. (Nematoda: Rhabdochonidae) from the Japanese eel Anguilla japonica, and new records of some other nematodes from inland fishes in Japan
Fig. 14. Ascarophis arctica Polyanskiy, 1952 from Gasterosteus aculeatus Linnaeus, scanning electron micrographs. A – posterior end of male, ventral view; B – tail of male, subventral view (arrows indicate postanal papillae); C – precloacal region, subventral view (arrows indicate preanal papillae; note weakly-developed ventral precloacal ridges); D – posterior end of male, sublateral view (arrows indicate two posteriormost pairs of postanal papillae; note ventral precloacal ridges); E – broken female body with eggs; F – egg with filaments on both poles; G – egg with filaments only on one pole.
Fig. 13. Ascarophis arctica Polyanskiy, 1952 from Gasterosteus aculeatus Linnaeus, scanning electron micrographs. A–C in Rhabdochona angusticaudata sp. n. (Nematoda: Rhabdochonidae) from the Japanese eel Anguilla japonica, and new records of some other nematodes from inland fishes in Japan
Fig. 13. Ascarophis arctica Polyanskiy, 1952 from Gasterosteus aculeatus Linnaeus, scanning electron micrographs. A–C – cephalic end of female, lateral, apical and dorsoventral views, respectively; D – region of female mouth (another specimen), sublateral view; E – tail of female, ventral view; F – deirid; G – distal end of left spicule, ventral view. Abbreviations: a – amphid; b – cephalic papilla c – phasmid; d – anus; l – labium; p – pseudolabium with anterior tooth-like projection; s – sublabium.
Data for "Sr/Ca in shells of laboratory-grown bivalves (Arctica islandica) serves as a proxy for water temperature – Perspectives for (paleo)environmental research?"
<p>This repository contains all data generated for the publication "Sr/Ca in shells of laboratory-grown bivalves (<em>Arctica islandica</em>) serves as a proxy for water temperature – Perspectives for (paleo)environmental research?" currently under review.</p>
Data from: Stay or go? Changing breeding conditions affect sexual difference in colony attendance strategies of Atlantic puffins Fratercula arctica
Open the record for dataset details and reuse information.
MicroED/3DED datasets of (E)-3,3'-dioxo-[2,2'-biindolinylidene]-1-carbaldehyde captured with a Ceta camera on Talos Arctica
<p>Continuous rotation data sets were collected on a Talos Arctica (200 kev) equipped with a ceta camera. Datasets were collected from 4 different crystals. Each dataset was collected with an approximate flux of 0.0895 e-/ Å^2/s-1 which means a total exposure of 10.74 e-/Å^2 for a 120-degree wedge of data. Delphi was used to rotate the crystal while TEM Imaging & Analysis (TIA) software was used to collect the data.Datasets were were processed in DIALS directly without any conversion.</p> <p>Experimental parameters are as follows:</p> <p>Accelerating voltage: 200 Kev </p> <p>Wavelength: 0.02508 </p> <p>Cameralength: 1004 mm </p> <p>Exposure time: 1 s </p> <p>Rotation speed: 1 degrees per second </p> <p>Rotation: -60 to 60 degrees </p> <p>Detector area: 2048 x 2048 (Bin 2) </p> <p>Pixel size: 0.028 nm </p> <p>Spot size: 9 </p> <p>C2 aperture: 50 µm </p> <p>SA aperture: 40 µm </p> <p>Notes: The data collection and processing for this sample was originally done in July 2023.</p> <p> </p>
MicroED/3DED datasets of acetaminophen collected with a Ceta camera on Talos Arctica
<p>Continuous rotation data sets were collected on a Talos Arctica (200 kev) equipped with a ceta camera. Each dataset was collected with an approximate flux of 0.17 e-/ Å<sup>2</sup>/s<sup>-1</sup> which means a total exposure of 20.4 e-/Å<sup>2</sup> for a 120-degree wedge of data. Delphi was used to rotate the crystal while TEM Imaging & Analysis (TIA) software was used to collect the data.</p> <p>Datasets were processed in DIALS directly without any conversion. The structure was solved to 0.84 Å with 99% of overall completeness by merging two datasets (attached).</p> <p>Experimental parameters are as follows:</p> <p>Accelerating voltage: 200 Kev </p> <p>Wavelength: 0.02508 </p> <p>Cameralength: 1012 mm </p> <p>Exposure time: 1 s </p> <p>Rotation speed: 1 degrees per second </p> <p>Rotation: 60 to -60 degrees </p> <p>Detector area: 4096 x 4096 (Bin 1) </p> <p>Pixel size: 14 µm </p> <p>Spot size: 8 </p> <p>C2 aperture: 50 µm </p> <p>SA aperture: 40 µm </p>
MicroED/3DED datasets of carbamazepine collected with a Ceta camera on Talos Arctica
<p>Continuous rotation data sets were collected on a Talos Arctica (200 kev) equipped with a ceta camera. Each dataset was collected with an approximate flux of 0.17 e-/ Å<span><sup>2</sup></span>/s<span><sup>-1</sup></span> which means a total exposure of 20.4 e-/Å<span><sup>2</sup></span> for a 120-degree wedge of data. Delphi was used to rotate the crystal while TEM Imaging & Analysis (TIA) software was used to collect the data. Datasets were processed in DIALS directly without any conversion.</p> <p>Experimental parameters are as follows:</p> <p>Accelerating voltage: 200 Kev </p> <p>Wavelength: 0.02508 </p> <p>Cameralength: 1012 mm </p> <p>Exposure time: 1 s </p> <p>Rotation speed: 1 degrees per second </p> <p>Rotation: 60 to -60 degrees </p> <p>Detector area: 4096 x 4096 (Bin 1) </p> <p>Pixel size: 14 µm </p> <p>Spot size: 8 </p> <p>C2 aperture: 50 µm </p> <p>SA aperture: 40 µm </p>
Supplementary Data to: "Organic Phases in Bivalve (Arctica islandica) Shells: Their Bulk and Amino Acid Nitrogen Stable Isotope Compositions" in Geochemistry, Geophysics, Geosystems
<p>This dataset contains the data generated for publication "Organic Phases in Bivalve (<em>Arctica islandica</em>) Shells: Their Bulk and Amino Acid Nitrogen Stable Isotope Compositions", including the following files:</p> <p>Specimen_ID_shell_morphology_measurement: Description of locality of collection, shell ID, shell working ID and the shell morphology measurement which can be referred to Section 2.1 of the manuscript.</p> <p>EA_IRMS_raw_error_propagate: This file contains data showing the m/z 28 signal intensities of all measurements and the error propagation that mentioned in Section 2.3 of the manuscript. It also includes the calculation of analytical accuracy and precision. </p> <p>Statistics: The file contains the summary of statistical analyses performed in this manuscript. Refer to Section 2.7 and 3.3.</p> <p>Recovery: It contains the recovery of the total nitrogen contents or amino acid concentrations after different treatments and this was mentioned in Section 4.1 of the manucript.</p> <p>Mass_balance: The computation procedure that showed in Section 3.4 and discussed in Section 4.3 can be traced in this file.</p> <p>GC-C-IRMS_long_term_sd: The file shows the long-term precision of GC-C-IRMS computed from the mixed standard of amino acids </p> <p>BSIA_d15N: The file contains all the bulk d15N data that used in this manuscript.</p> <p>CSIA_d15N: The file contains all the amino acid d15N data that used in this manuscript.</p> <p>AA_Composition: The file shows AA percent data that used in this manuscript.</p> <p><br> For details see main text of the manuscript.</p> <p><br> </p>
Santa Barbara Coastal site, station Carpinteria Reef, Santa Barbara Channel, study of animal cover of Hiatella arctica in units of percent on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Santa Barbara Coastal (SBC) contains animal cover of Hiatella arctica measurements in percent units and were aggregated to a yearly timescale.
FIGURE 52. Ascarophis arctica Polyanski, 1952. A in Guide to the Parasites of Fishes of Canada Part V: Nematoda
FIGURE 52. Ascarophis arctica Polyanski, 1952. A. male, anterior end, lateral view; B. male, posterior end, ventral view, arrows indicate the 5th and 6th pairs of post-caudal papillae; C. female, vulvar region, lateral view [NB: for presentational reasons, polar filaments have been omitted from in utero eggs to avoid clutter]; D. egg from uterus. (Redrawn from Appy 1981)
FIGURES 78–81. Paradelia arctica, male. 78, 79. Sternite V in Taxonomic review of Eurasian Paradelia Ringdahl (Diptera: Anthomyiidae) with descriptions of two new species
FIGURES 78–81. Paradelia arctica, male. 78, 79. Sternite V, lateral and ventral views. 80, 81. Hypopygium, lateral and caudal views. Same scale for 78, 79 and 80, 81 respectively.
Cintractia arctica
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Claytonia arctica (Portulacaceae) - inflorescence - unspecified
Image of Claytonia arctica (Portulacaceae) - inflorescence - unspecified
Claytonia arctica (Portulacaceae) - whole plant - in flower - general view
Image of Claytonia arctica (Portulacaceae) - whole plant - in flower - general view
Claytonia arctica (Portulacaceae) - whole plant - in flower - general view
Image of Claytonia arctica (Portulacaceae) - whole plant - in flower - general view
Claytonia arctica (Portulacaceae) - inflorescence - frontal view of flower
Image of Claytonia arctica (Portulacaceae) - inflorescence - frontal view of flower
Subspecies and Distribution. M. e. erminea Linnaeus, 1758 — Finland, Norway, NW Russia, and Sweden. M. e. aestiva Kerr, 1792 — most of mainland N & C Europe to C Asia in Kazakhstan, Kyrgyzstan, and Tajikistan. M. e. alascensis Merriam, 1896 — S Alaska. M. e. anguinae Hall, 1932 — SW Canada (Vancouver I, British Columbia). M. e. arctica Merriam, 1896 — Alaska and NW Canada. M. e. bangsi Hall, 1945 — C Canada and NC USA. M. e. celenda Hall, 1944 — Alaska (Prince of Wales I). M.e. cicognanii Bonaparte, 1838 — SE Canada and NE USA. M. e. fallenda Hall, 1945 — W Canada (British Columbia) and NW USA (N Washington). M. e. ferghanae Thomas, 1895 — Afghanistan, N India, and Pakistan. M.e. gulosa Hall, 1945 — NW USA (E Washington). M.e. haidarum Preble, 1898 — W Canada (Queen Charlotte Is, British Columbia). M.e. hibernica Thomas & Barrett-Hamilton, 1895 — Ireland. M.e. imatis Hall, 1944 — Alaska (Baranof I). M.e. invicta Hall, 1945 — SW Canada (Alberta) and NW USA (Idaho & Montana). M.e. kadiacensis Merriam, 1896 — Alaska (Kodiak I). M.e. kaneti Baird, 1857 — NE China, Russia (E Siberia). M.e. karaginensis Jurgenson, 1936 — NE Russia (Karaginsky I). M.e. lymani Hollister, 1912 — E Russia (Altai Mts, Siberia). M.e. minima Cavazza, 1912 — Switzerland. M.e. mongolica Ognev, 1928 — NW China and Mongolian Altai. M. e. muricus Bangs, 1899 — USA (N California, Colorado, Idaho, New Mexico, Nevada, Oregon, South Dakota, Utah & Wyoming). M. e. nippon Cabrera, 1913 — Japan. M.e. olympica Hall, 1945 — NW USA (Olympic Peninsula, Washington). M.e. polaris Barrett-Hamilton, 1904 — Greenland. M.e.richardsonii Bonaparte, 1838 — N Canada. M.e. ricinae G. S. Miller, 1907 — Scotland (Islay I). M.e.salva Hall, 1944 — SE Alaska (Admiralty I). M.e.seclusa Hall, 1944 — SE Alaska (Suemez I). M.e.sempler Sutton & Hamilton, 1932 — Canada (Franklin & Keewatin Districts). M.e.stabilis Barrett-Hamilton, 1904 — Great Britain. M.e.streatori Merriam, 1896 — W USA (NE California, Oregon & coastal Washington). M.e.teberdina Kornejv, 1941 — Russian Caucasus. M.e. tobolica Ognev, 1923 — W Siberia. Introduced to New Zealand. in Mustelidae
Subspecies and Distribution. M. e. erminea Linnaeus, 1758 — Finland, Norway, NW Russia, and Sweden. M. e. aestiva Kerr, 1792 — most of mainland N & C Europe to C Asia in Kazakhstan, Kyrgyzstan, and Tajikistan. M. e. alascensis Merriam, 1896 — S Alaska. M. e. anguinae Hall, 1932 — SW Canada (Vancouver I, British Columbia). M. e. arctica Merriam, 1896 — Alaska and NW Canada. M. e. bangsi Hall, 1945 — C Canada and NC USA. M. e. celenda Hall, 1944 — Alaska (Prince of Wales I). M.e. cicognanii Bonaparte, 1838 — SE Canada and NE USA. M. e. fallenda Hall, 1945 — W Canada (British Columbia) and NW USA (N Washington). M. e. ferghanae Thomas, 1895 — Afghanistan, N India, and Pakistan. M.e. gulosa Hall, 1945 — NW USA (E Washington). M.e. haidarum Preble, 1898 — W Canada (Queen Charlotte Is, British Columbia). M.e. hibernica Thomas & Barrett-Hamilton, 1895 — Ireland. M.e. imatis Hall, 1944 — Alaska (Baranof I). M.e. invicta Hall, 1945 — SW Canada (Alberta) and NW USA (Idaho & Montana). M.e. kadiacensis Merriam, 1896 — Alaska (Kodiak I). M.e. kaneti Baird, 1857 — NE China, Russia (E Siberia). M.e. karaginensis Jurgenson, 1936 — NE Russia (Karaginsky I). M.e. lymani Hollister, 1912 — E Russia (Altai Mts, Siberia). M.e. minima Cavazza, 1912 — Switzerland. M.e. mongolica Ognev, 1928 — NW China and Mongolian Altai. M. e. muricus Bangs, 1899 — USA (N California, Colorado, Idaho, New Mexico, Nevada, Oregon, South Dakota, Utah & Wyoming). M. e. nippon Cabrera, 1913 — Japan. M.e. olympica Hall, 1945 — NW USA (Olympic Peninsula, Washington). M.e. polaris Barrett-Hamilton, 1904 — Greenland. M.e.richardsonii Bonaparte, 1838 — N Canada. M.e. ricinae G. S. Miller, 1907 — Scotland (Islay I). M.e.salva Hall, 1944 — SE Alaska (Admiralty I). M.e.seclusa Hall, 1944 — SE Alaska (Suemez I). M.e.sempler Sutton & Hamilton, 1932 — Canada (Franklin & Keewatin Districts). M.e.stabilis Barrett-Hamilton, 1904 — Great Britain. M.e.streatori Merriam, 1896 — W USA (NE California, Oregon & coastal Washington). M.e.teberdina Kornejv, 1941 — Russian Caucasus. M.e. tobolica Ognev, 1923 — W Siberia. Introduced to New Zealand.
FIGURE 4 in A new species of Taraxacum sect. Arctica (Asteraceae, Crepidinae) from northern Kamchatka, Russia, with a synoptic survey and a nomenclator of the section in Russia
FIGURE 4. Taraxacum atropurpureum in its natural habitat. A. The valley landscape of Tolyatovayam River, locus classicus (in the tent vicinity); B. T. atropurpureum at a mossy microsite among dwarf willows (Salix chamissonis), Tolyatovayam River; C. T. atropurpureum at the Yakotvon' locality (note the conspicuously pruinose involucre and perfectly tubular, deep yellow ligules); D. T. atropurpureum at the type locality (Tolyatovayam River); E. Landscape below the Yakotvon' Mts., the paratype locality (the exact site is marked with a pink dot). Photographed by O. Chernyagina, 2011.
FIGURE 3 in A new species of Taraxacum sect. Arctica (Asteraceae, Crepidinae) from northern Kamchatka, Russia, with a synoptic survey and a nomenclator of the section in Russia
FIGURE 3. Taraxacum atropurpureum. Details of achenes (A, B. KAM, no. det. 36880) and involucre (C. KAM, no. det. 36880). Scale bars: A, C = 1 mm; B = 2 mm. The achene colour has a deeper purple hue when viewed in daylight.
FIGURE 6. Grantia arctica. A–B in On some Calcaronea (Porifera: Calcarea) from the Barents Sea and adjacent Polar Basin
FIGURE 6. Grantia arctica. A–B. Habitus of specimens KFU-LH-2/036 and ZISP 10187, respectively. C. Detail of the outer surface with incurrent canals visible at right intervals. D–E. Cross sections. Abbreviations: ic = cortical triactines arranged around the incurrent canal; dt = tufts of diactines in the distal end of choanocyte chambers; cs = cortex; ttr = tubar triactines within the walls of choanocyte chambers.
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