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156 results for “underground”
Fig. 3 in Ecdysteroids from the underground parts of Rhaponticum acaule (L.) DC
Fig. 3. Displacement ellipsoid plot of the molecular structure of 1a (50% probability ellipsoids; only the major disorder conformation of the acetyl substituent at C-2 is shown).
Day 270: Life Underground
3D scan of one of the many quirky bronzes by artist Tom Otterness. Spotted in 14th street subway station, NYC. (86 Images, Photo Mode) Created with Polycam Source: Objaverse 1.0 / Sketchfab
London Underground Study - Health Effects of Particulate Matter
ClinicalTrials.gov study NCT04614064. IPD Sharing: NO. Countries: 1. Publications: 1.
DEEPTIME: Human Adaptation in Time Underground Isolation
ClinicalTrials.gov study NCT05603780. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Stable isotope signatures of underground seedlings reveal the organic matter gained by adult orchids from mycorrhizal fungi
Open the record for dataset details and reuse information.
The underground life of homeodomain-leucine zipper transcription factors
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Evidence for speciation underground in diving beetles (Dytiscidae) from a subterranean archipelago
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Comparative transcriptomics of a monocotyledonous geophyte reveals shared molecular mechanisms of underground storage organ formation
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Fig. 3. Anterior gonopods, posterior views. A. D in Three new species of Dolichoiulus millipedes from the underground of Gran Canaria, with notes on the circumscription of the genus (Diplopoda, Julida, Julidae)
Fig. 3. Anterior gonopods, posterior views. A. D. typhlocanaria sp. nov., specimen from Barranco Draguillo. B. D. typhlocanaria sp. nov., specimen from Cueva de la Luna. C. D. oromii sp. nov. D. D. typhlops Ceuca, 1973, specimen from La Palma, right anterior gonopod. ad: apical denticles, lp: lateral prominence, mr: mesal ridge, p: projection. Scales 0.1 mm (A-C), 0.01 mm (D).
Fig. 5 in Three new species of Dolichoiulus millipedes from the underground of Gran Canaria, with notes on the circumscription of the genus (Diplopoda, Julida, Julidae)
Fig. 5. Size diagram for Dolichoiulus oromii sp. nov. and D. longunguis sp. nov. The diagram shows number of podous (leg-bearing) body rings (p.r., x axis) and vertical body diameter in mm (y axis). For a given number of podous rings D. oromii sp. nov. is thicker than D. longunguis sp. nov. but thinner than D. typhlocanaria sp. nov. (see Fig. 1); specimens of D. oromii sp. nov. from East-Central Gran Canaria are thicker than those from the Northwest (El Sao), and females are thicker than males.
Figure 4 from: García R, Andújar C, Oromí P, López H (2020) Oromia orahan (Curculionidae, Molytinae), a new subterranean species for the Canarian underground biodiversity. Subterranean Biology 35: 1-14. https://doi.org/10.3897/subtbiol.35.52583
Figure 4 Structures of Oromia orahan sp. nov. (letters without asterisks) and O. aguiari (letters with asterisks) A pronotum B aedeagus Cspiculum ventraleD tegmen.
Figure 2 from: García R, Andújar C, Oromí P, López H (2020) Oromia orahan (Curculionidae, Molytinae), a new subterranean species for the Canarian underground biodiversity. Subterranean Biology 35: 1-14. https://doi.org/10.3897/subtbiol.35.52583
Figure 2 Structures of the male and female genitalia of Oromia orahan sp. nov. A aedeagus in dorsal and lateral view B spiculum gastrale C tegmen D spiculum ventrale E ovipositor. Scale bars: 1 mm (A–C), 0.8 mm (D), 0.03 mm (E).
Data from: A new Magneto-Inductive tracking technique to uncover subterranean activity: what do animals do underground?
1. Despite the importance of the subterranean ecotope, knowledge of underground movement and behaviour has been extremely limited. Previous technologies have relied upon techniques with very low spatial or temporal resolution, such as VHF telemetry. Rather incongruously therefore, relatively simple underground activity regimes have often been assumed, with insufficient attention to the ecological importance of burrow use. 2. We test the capability of Magneto-Inductive (MI) tracking, recording underground movement within a European badger sett over a two week period in February. These data allowed us to: quantify subterranean movement; extrapolate the three-dimensional burrow architecture; simultaneously track multiple individuals; and establish the function of specific movement patterns; demonstrating the technique's utility. Contrasting data generated using MI tracking, against the resolution achievable with VHF tracking, we establish how sampling frequency can influence the percecption of movement. 3. Taking 20 locational fixes per minute, MI collars operated for one year before on-board batteries failed, resulting in an average five billion data points per collar deployment. Socio-ecologically we found that rather than foraging continuously throughout the night, badgers returned to the sett an average of 2.2 times, approximately every 3-4 hours. From burrow mapping, badgers tended to use peripheral chambers for ca. 45 minutes on these return visits,These outlying chambers were used less by day, when badgers selected deeper chambers, suggesting each chamber type fulfils a different function. This technology also exposed that badgers exhibited a far greater extent of underground movement than revealed by former technologies, which by comparison captured less than 0.5% of subterranean activity. Importantly, these high-resolution data showed that individuals left, returned to, and moved about the sett independently, with no tendency for synchronous subterranean activity. 4. In overview, magneto-inductive tracking proved relatively simple and cost effective to deploy, it provided very detailed and accurate subterranean fixes, and was robust enough for long-term field deployment. Furthermore, the capabilities of MI are highly transferable, enabling a better understanding of underground activity and the ecological importance of subterranean burrows for the conservation and management of a wide range of species.
FIGURE 1 in Insular species swarm goes underground: two new troglobiont Cylindroiulus millipedes from Madeira (Diplopoda: Julidae)
FIGURE 1. Sampling localities of subterranean Cylindroiulus spp. in Madeira Island, Portugal.
Residual Life and Reliability Assessment of Underground RC sanitary Sewer Pipelines Under Uncertainty
<p>Prioritization of limited funding for pipelines maintenance is a major issue that concerns municipalities nationwide. Conducting a probabilistic assessment can provide a complete characterization of the performance of structural elements and systems along with optimizing the limited resources. The most widely used probabilistic performance indicator is reliability, a measure of the probability of failure corresponding to a particular limit state (e.g., ultimate strength or serviceability). Reliability methods can be used to identify which pipeline sections within a particular system require the most urgent inspection or repair. To this end, an automated data-driven framework for large diameter reinforced concrete pipes (RCPs) is developed that converts the raw unfiltered inspection readings to data that is used for estimating residual life and further reliability assessment purposes. In the current work, initially, the wall thickness erosion is determined based on the inspection data collected using Light Detection and Ranging (LiDAR). Furthermore, the best fit among several probability distribution functions for the wall thickness loss is obtained, which is integrated with a serviceability limit state that defines failure as the complete loss of 1-in concrete cover caused by environmental conditions such as sulfide-induced erosion. Considering this limit state and a prescribed probability of exceedance threshold, a reliability-based prediction of the remaining service life is proposed. The developed framework requires minimal user interference and is, therefore, less time consuming and more consistent compared to previous research. From an asset management point of view, the most vulnerable pipeline sections are identified that will require further inspection and attention. This will provide decision makers crucial information regarding the current state of the pipeline network, to better allocate the already scarce maintenance funding of these pipelines.</p>
Supplementary material 1 from: Dančák M, Majeský Ľ, Čermák V, Golos MR, Płachno BJ, Tjiasmanto W (2022) First record of functional underground traps in a pitcher plant: Nepenthes pudica (Nepenthaceae), a new species from North Kalimantan, Borneo. PhytoKeys 201: 77-97. https://doi.org/10.3897/phytokeys.201.82872
List of examined specimens
Figure 10 in First researches of the underwater ecosystem communities of an underground channel built in 1950s (Balaklava bay, Sevastopol)
Figure 10. Quantitative representation of macrozoobenthos in the channel bottom sediments: A – by abundance (103 ind./m2), B – by biomass (g/m2).
Figure 7 in First researches of the underwater ecosystem communities of an underground channel built in 1950s (Balaklava bay, Sevastopol)
Figure 7. Number of macrozoobenthos species: A – in channel walls biofouling at 1.5 m horizon, B – in the bottom sediments.
Figure 3 in First researches of the underwater ecosystem communities of an underground channel built in 1950s (Balaklava bay, Sevastopol)
Figure 3. Examples of anthropogenic debris in the bottom space of the channel: A–E debris of various metal structures, F – fragment of an aircraft.
Figure 1 in Discovering underground bat hibernacula in lowland eastern Europe
Figure 1. Location of the examined underground sites. Numbers correspond to those in the list of Annex 1.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.