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197 results for “twilight”
Figure 3 from: Lunghi E, Bruni G, Ficetola F, Manenti R (2018) Is the Italian stream frog (Rana italica Dubois, 1987) an opportunistic exploiter of caves twilight zone? Subterranean Biology 25: 49-60. https://doi.org/10.3897/subtbiol.25.23803
Figure 3 Boxplots indicating differences in the use of cave spaces. Difference between A age classes (Adults/ Juveniles) and B adult sexes (Females/Males) in the use of the subterranean surface area; differences between C age classes and D adult sexes in the use of cave walls. Diagonal bar inside the box represents the median.
Figure 1 from: Lunghi E, Bruni G, Ficetola F, Manenti R (2018) Is the Italian stream frog (Rana italica Dubois, 1987) an opportunistic exploiter of caves twilight zone? Subterranean Biology 25: 49-60. https://doi.org/10.3897/subtbiol.25.23803
Figure 1 Two juveniles of Rana italica: a) during the measurement of SVL and b) climbing cave walls.
Figure 4 from: Mammola S, Isaia M (2018) Day–night and seasonal variations of a subterranean invertebrate community in the twilight zone. Subterranean Biology 27: 31-51. https://doi.org/10.3897/subtbiol.27.28909
Figure 4 Interaction plot showing the effect of the interaction between seasonality and the day–night cycle on the abundance of trogloxenes.
Figure 3 from: Mammola S, Isaia M (2018) Day–night and seasonal variations of a subterranean invertebrate community in the twilight zone. Subterranean Biology 27: 31-51. https://doi.org/10.3897/subtbiol.27.28909
Figure 3 Boxplots showing the difference between relative humidity values during the day (white boxes) and at night (grey boxes) in the four seasons. Significant differences are highlighted by asterisks (Signif. codes: *** p<0.001, ** p<0.01).
Figure 2 from: Mammola S, Isaia M (2018) Day–night and seasonal variations of a subterranean invertebrate community in the twilight zone. Subterranean Biology 27: 31-51. https://doi.org/10.3897/subtbiol.27.28909
Figure 2 Temperature variation in the study area. Data refer to record of temperature and relative humidity measured every 12 h (one measurement at midday and one at midnight). Top panel: annual trends of temperatures measured at the entrance (0 m; orange line) and inside the mine (10 and 20 m; purple and blue lines, respectively). Bottom panel: mean of monthly positive and negative temperature deviations at night, with respect to the daily temperature recorded during the same period.
Figure 1 from: Mammola S, Isaia M (2018) Day–night and seasonal variations of a subterranean invertebrate community in the twilight zone. Subterranean Biology 27: 31-51. https://doi.org/10.3897/subtbiol.27.28909
Figure 1 Map of the study area and groundplan of the Seinera mine, with indication of sampling plots and dataloggers.
Figure 5 from: Mammola S, Isaia M (2018) Day–night and seasonal variations of a subterranean invertebrate community in the twilight zone. Subterranean Biology 27: 31-51. https://doi.org/10.3897/subtbiol.27.28909
Figure 5 Predicted values (filled lines) and 95% confidence intervals (dotted lines) of the effect of distance from the main entrance in interaction with the sampling season on the abundance of troglophiles derived from the generalized linear mixed model (GLMM). Day and night trends are shown.
TEMPO geolocated Earth radiances twilight V03 (PROVISIONAL)
Level 1 twilight radiance files provide radiance measured during twilight hours to capture city lights at TEMPO’s native spatial resolution, ~10 km^2 at the center of the Field of Regard (FOR), for individual granules. Each granule covers the entire North-South TEMPO FOR but only a portion of the East-West FOR. The files are provided in netCDF4 format, and contain information on radiometrically calibrated and geolocated radiances for the UV and visible bands, corresponding noise, geolocation, viewing geometry, quality flags and other ancillary information. The product is produced using the L0-1b processor which includes image processing steps to produce radiometrically calibrated radiances with nominal navigation. These data reached provisional validation on December 9, 2024.
Figure 2 from: Lunghi E, Bruni G, Ficetola F, Manenti R (2018) Is the Italian stream frog (Rana italica Dubois, 1987) an opportunistic exploiter of caves twilight zone? Subterranean Biology 25: 49-60. https://doi.org/10.3897/subtbiol.25.23803
Figure 2 Average monthly observation (±ES) of Rana italica within studied caves.
Ocean Twilight Zone: Woods Hole Oceanographic Institution
The Ocean Twilight Zone (OTZ) program at the Woods Hole Oceanographic Institution is a comprehensive exploration of the twilight zone focused on this important ecosystem and its role in the C cycle and climate, laying the groundwork for long-term sustainability. The project comprises: scientific discovery, technological innovation, and public engagement. The OTZ program partnered with NASA EXPORTS during field sampling in the North Atlantic in the Spring of 2021.
Figure 109 in Out of the twilight zone: phylogeny and evolutionary morphology of the orb-weaving spider family Mysmenidae, with a focus on spinneret spigot morphology in symphytognathoids (Araneae, Araneoidea)
Figure 109. Cepheia longiseta (Synaphridae), paralectotypes, legs: A, B, female left legs; C–E, male right legs. A, leg II, metatarsus–tarsus junction, dorsal view; B, leg I, tarsal organ, lateral view; C, leg I, tibia–patella, dorsal view; D, metatarsus III, dorsal view; E, leg I, claws.
Figure 108 in Out of the twilight zone: phylogeny and evolutionary morphology of the orb-weaving spider family Mysmenidae, with a focus on spinneret spigot morphology in symphytognathoids (Araneae, Araneoidea)
Figure 108. Cepheia longiseta (Synaphridae), paralectotypes, prosoma: A–E, female; F–H, male. A, dorsal view; B, ventral view; C, mouthparts and palp, lateral view; D, same, lateral–ventral view; E, same, ventral–frontal view; F, detail of maxilla and labium; G, prosoma, lateral view; H, same, detail of mouthparts.
Figure 155. D in Out of the twilight zone: phylogeny and evolutionary morphology of the orb-weaving spider family Mysmenidae, with a focus on spinneret spigot morphology in symphytognathoids (Araneae, Araneoidea)
Figure 155. D, strict consensus of the three MPTs that resulted from the analysis of the morphological data set. Continuous character optimization. Character 3: femur–metatarsus relative size. Family codes used for unidentified species are as follows: MYSM, Mysmenidae; SYMP, Symphytognathidae; TSMD, Theridiosomatidae.
Figure 59 in Out of the twilight zone: phylogeny and evolutionary morphology of the orb-weaving spider family Mysmenidae, with a focus on spinneret spigot morphology in symphytognathoids (Araneae, Araneoidea)
Figure 59. Mysmenopsis palpalis (Mysmenidae): A–G, male; H–I, female. B, D, F, left legs, prolateral view. A, prosoma, lateral view; B, tibial and metatarsal clasping spines, leg I; C, ocular area, frontal view; D, tarsus I; E, mouthparts, detail from figure G, ventral view; F, femur IV, detail of stridulatory area; G, prosoma, ventral view; H, epigynum, ventral view; I, spinning field and posterior respiratory spiracle, posterior view.
Figure 46. MYSM-019 in Out of the twilight zone: phylogeny and evolutionary morphology of the orb-weaving spider family Mysmenidae, with a focus on spinneret spigot morphology in symphytognathoids (Araneae, Araneoidea)
Figure 46. MYSM-019-MAD (Mysmeninae, Mysmenidae) from Toliara, Madagascar. A, C, D, F, G, female; B, E, male. A, prosoma, ventral view; B, same, frontal view; C, labrum, lateral view; D, ocular area, frontal view; E, same, lateral view; F, cheliceral bases, frontal view; G, right leg I, tarsal organ and tarsus–metatarsus junction.
Figure 57 in Out of the twilight zone: phylogeny and evolutionary morphology of the orb-weaving spider family Mysmenidae, with a focus on spinneret spigot morphology in symphytognathoids (Araneae, Araneoidea)
Figure 57. Mysmenopsis dipluramigo (Mysmenidae), left legs I: A–E, female; F–J, male. A, femur, prolateral view; B, same, retrolateral view; C, same, detail of stridulatory area; D, same, detail from panel C; E, femoral projection, detail from panel A; F, dorsal view; G, tibial and metatarsal clasping spines, prolateral view; H, metatarsal clasping spines; I, same, detail of strongest clasping spine; J, tibial clasping spines.
Efficacy and Tolerability of a Bilberry Extract in Volunteers With Impaired Twilight and Night Vision
ClinicalTrials.gov study NCT02194127. IPD Sharing: Not stated. Countries: 0. Publications: 0.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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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.