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243 results for “Rotifer”
Crustacean and rotifer density and biomass for Beaverdam Reservoir, Falling Creek Reservoir, Carvins Cove Reservoir, Gatewood Reservoir, and Spring Hollow Reservoir in southwestern Virginia, USA 2014-2025
Crustacean and rotifer density and biomass were measured from 2014 to 2025 in five drinking water reservoirs in southwestern Virginia, USA. These reservoirs are: Beaverdam Reservoir (Vinton, Virginia), Falling Creek Reservoir (Vinton, Virginia), Carvins Cove Reservoir (Roanoke, Virginia), Gatewood Reservoir (Pulaski, Virginia), and Spring Hollow Reservoir (Salem, Virginia). Beaverdam, Falling Creek, Carvins Cove, and Spring Hollow Reservoirs are owned and operated by the Western Virginia Water Authority as primary or secondary drinking water sources for Roanoke, Virginia, and Gatewood Reservoir is a drinking water source for the Town of Pulaski, Virginia. The dataset consists of integrated vertical tow samples from the whole water column, just the epilimnion, and just the hypolimnion (as the difference between the full water column and epilimnion tows), as well as discrete depth measurements collected with a Schindler trap. Most samples were collected at the deepest site of each reservoir adjacent to the dam. Sampling frequency and duration varied among reservoirs and years and included weekly to monthly routine monitoring as well as intensive 24-hour sampling campaigns. In 2014-2016, zooplankton samples were collected approximately fortnightly in the spring, summer, and autumn months at Beaverdam Reservoir, Carvins Cove Reservoir, and Gatewood Reservoirs. Falling Creek Reservoir samples were collected weekly to monthly in spring and summer 2014, and Spring Hollow Reservoir samples were collected approximately fortnightly in the spring, summer, and autumn months of 2015 and 2016. In 2019, zooplankton samples were collected approximately weekly to monthly from April to November at Beaverdam Reservoir and April to September at Falling Creek Reservoir. In 2020, zooplankton samples were collected approximately weekly to monthly from May to December at Beaverdam Reservoir and June to September at Falling Creek Reservoir. In 2021, zooplankton were collected monthly from M
Unearthed from old soils: New records of Antarctic tardigrades, nematodes, and rotifers in the Prince-Charles Mountains
<p>Supplementary display items genarted by running the code associated with the pre-print "Unearthed from old soils: New records of Antarctic tardigrades, nematodes, and rotifers in the Prince-Charles Mountains". Sequence records will be availble via an online resource upon submission.</p>
FIGURE 3. Cotylegaleata iskenderunensis n in Cotylegaleata iskenderunensis n. sp., the second known species of the rotifer family Cotylegaleatidae (Monogononta: Ploima)
FIGURE 3. Cotylegaleata iskenderunensis n. sp., SEM photographs of trophi. A. complete set, ventral; B. detail unci, ventrofrontal; C. complete set, ventro-caudal; D. ibidem, dorsal; E. ibidem, lateral left; F. ibidem, oblique ventro-lateral; G. ibidem, dorso-frontal. ca: callosities; cb: conical manubrium branch; cp: connecting-platelet; le: lamellar ramus expansion; vp: ventral ramus process. Scale bars: 10 µm.
FIGURE 1. Cotylegaleata iskenderunensis n in Cotylegaleata iskenderunensis n. sp., the second known species of the rotifer family Cotylegaleatidae (Monogononta: Ploima)
FIGURE 1. Cotylegaleata iskenderunensis n. sp., adult female. A. habitus, ventral; B. head, and cotyle ventral, head shield pointing ventral; C. cross sectional view, head shield pointing ventral; D. habitus, lateral. c: cotyle; hs: head shield; mo: mouth opening. Scale bars: 50 µm.
Weak effect of urbanisation on bdelloid rotifers living in lichens
<p>Human activities have an overwhelming impact on the natural environment, leading to a deep biodiversity crisis whose effects range from genes to ecosystems. We here analysed the effect of such anthropogenic impacts on bdelloid rotifers (Rotifera: Bdelloidea), for whom these effects are poorly understood. We targeted bdelloid rotifers living in lichen patches across urbanisation gradients in Flanders and Brussels (Belgium). Urbanisation was measured as the percentage of built-up area across different spatial scales, at circles from 50 m to 3,200 m of radius around the lichen. Urbanisation effects on biodiversity were assessed on abundance, species richness, and community-weighted mean body size of bdelloid rotifers, as well as on genetic diversity of one of the most common and widespread bdelloid species, <em>Adineta</em> <em>vaga</em>. Overall, no negative effect of urbanisation was found at any diversity level and at any spatial scale. Counterintuitively, built-up area quantified at the largest spatial scale had a positive effect on abundance. These results leave open the question of whether negative effects of urbanisation are present for bdelloid rotifers, or if such effects are only visible at even larger spatial scales.</p>
Figure 5 in Rotifers of Bahia State, Brazil: News records and limitations to studies
Figure 5. Numbers of Rotifera species per locality in Bahia State, Brazil. The codes follow Table 1.
Figure 1 in Rotifers of Bahia State, Brazil: News records and limitations to studies
Figure 1. Map of Bahia State, Brazil, highlighting in the 13 sampling sites. Sampling sites described in Table 1.
Figure 3 in Rotifers of Bahia State, Brazil: News records and limitations to studies
Figure 3. Rotifers from Bahia State, Brazil, sampled from 2010 to 2016. M. Hexarthra intermedia brasiliensis Hauer, 1953. N. Filinia opoliensis (Zacharias, 1898). O.Filinia terminalis (Plate, 1886). P.Lecane aquila Harring & Myers, 1926. Q. Lecane bulla bulla (Gosse, 1851). R. Lecane cornuta (Müller, 1786). S. Lecane quadridentata (Ehrenberg, 1830). T. Lecane monostyla (Daday, 1897). U. Lecane hornemanni (Ehrenberg, 1834). V.Lecane leontina (Turner, 1892). W.Lecane ludwigii (Eckstein, 1883). X.Lecane lunaris crenata (Harring, 1913). Species stained with bengal rose. Scale bars= 100 μm.
Figure 2 in Rotifers of Bahia State, Brazil: News records and limitations to studies
Figure 2. Rotifers from Bahia State, Brazil, sampled from 2010 to 2016.A.Anuraeopsis fissa Gosse, 1851. B.Brachionus calyciflorus Pallas, 1766. C. Brachionus caudatus f. austrogenitus Ahlstrom, 1940. D.Brachionus falcatus Zacharias, 1898. E.Brachionus quadridentatus quadridentatus Hermann, 1783. F.Brachionus urceolaris urceolaris Müller, 1773. G.Keratella cochlearis (Gosse, 1851). H.Platyias quadricornis (Ehrenberg, 1832). I. Dipleuchlanis propatula (Gosse, 1886). J. Testudinella dendradena de Beauchamp, 1955. K. Trichocerca pusilla (Jennings, 1903). L. Squatinella mutica (Ehrenberg, 1832). Species stained with bengal rose. Scale bars= 100 μm.
Figs 7–13 in Encentrum Essexis Sp. N. (Monogononta: Dicranophoridae), A New Rotifer Inhabiting Stream Benthos From East England
Figs 7–13. Encentrumessexis sp. n., SEMphotographsoftrophi: 7 = dorsalview, 8 = detaildor- salview, 9 = detailventralview, 10 = detailventro-apicalview, 11 = detaildorso-apicalview, 12 = detaildorso-lateralview, 13 = detailintramalleusandsupramanubrium. Scalebar 10 μm.
Рис. 1. Карта-схема распоΛожения станций отбора проб на р. Амазар Fig.1. Location of sampling stations on the Amazar River in Species Composition And Quantitative Indicators Of Rotifers And Crustaceans In The Middle And Lower Streams Of The Amazar River (Zabaikalskiy Kray)
Рис. 1. Карта-схема распоΛожения станций отбора проб на р. Амазар Fig.1. Location of sampling stations on the Amazar River
Fig. 4. Philodina nitida nitida Milne, 1916. A in Four bdelloid rotifers new to Korea
Fig. 4. Philodina nitida nitida Milne, 1916. A. creeping, dorsal view; B. feeding, dorsal view; C. feeding head, dorsal view; D. feeding head and neck, dorsal view; E. foot and spurs, ventral view (Scales: A, B, D = 25 μm; C = 20 μm; E = 10 μm).
Fig. 3. Habrotrocha valida Milne, 1916. A in Four bdelloid rotifers new to Korea
Fig. 3. Habrotrocha valida Milne, 1916. A. creeping, dorsal view; B. feeding head and neck, dorsal view; C. rump, foot and spurs, dorsal view; D. feeding, dorsal view (Scales: A, D = 25 μm; B = 20 μm; C = 10 μm).
Fig. 2. Habrotrocha thienemanni rubella Donner, 1951. A, B in Four bdelloid rotifers new to Korea
Fig. 2. Habrotrocha thienemanni rubella Donner, 1951. A, B. creeping, dorsal view; C. feeding head and neck, dorsal view; D. feeding, dorsal view (Scales: A, B, D = 25 μm; C = 20 μm).
Fig. 1. Habrotrocha soror Donner, 1950. A, B in Four bdelloid rotifers new to Korea
Fig. 1. Habrotrocha soror Donner, 1950. A, B. creeping, dorsal view; C. foot and spurs, dorsal view (Scales: A, B = 25 μm; C = 10 μm). g, gastric gland.
Fig. 1. Lecane inermis. A, B in New records of three lecanid rotifers (Rotifera: Monogononta: Lecanidae) from Korea
Fig. 1. Lecane inermis. A, B. Line drawing of preserved specimen. C. photograph of preserved specimen. D. trophi. Scale bars: A-C = 50 μm, D = 10 μm.
Fig. 2. A-C. Lecane furcata. A in New records of three lecanid rotifers (Rotifera: Monogononta: Lecanidae) from Korea
Fig. 2. A-C. Lecane furcata. A. Line drawing of preserved specimen. B. photograph of preserved specimen. C. trophi. D-F. Lecane nana. D. Line drawing of preserved specimen. E. photograph of preserved specimen. F. trophi. Scale bars: A, B, D, E = 50 μm, C, F = 10 μm.
Fig. 2 in New record of two marine synchaetid rotifers (Monogononta: Synchaeta) from Korea
Fig. 2. Optical microscopic images of rotifers. A. Synchaeta grimpei. B. Synchaeta vorax. Scale bars: 100 μm.
Fig. 3 in New record of two marine synchaetid rotifers (Monogononta: Synchaeta) from Korea
Fig. 3. SEM image of the trophi of Synchaeta grimpei. A. ventral view. B. manubrium, lateral view. C. incus, ventral view. Scale bar: 50 μm.
Fig. 10 in New records of three monogonont and seven bdelloid rotifers from Korea
Fig. 10. Macrotrachela decora (Bryce, 1912). A, B. creeping habitus in different focal planes, dorsal view; C, D, feeding head, dorsal view; E. foot, spurs and toes, ventral view (Scales: A, B = 50 μm; C, D = 20 μm; E = 10 μm).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.