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533 results for “Aerial”
FIGURE 10 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 10. Light (B–z) and SEM (A) microscopy images of aerial diatom assemblages from southwestern Iceland, mostly in valve view. A–E. Diatomella balfouriana: A, D–E. girdle views, B. valve view with striae in focus, C. septa with openings in focus; F. Encyonema langebertalotii; G. Gomphonema sp. 1; H. Gomphonema bipunctatum; I. Cymbopleura cf. subaequalis, J. Naviculoid sp. 1; K. Amphora ovalis; L. Tryblionella debilis; M–O, a. Platessa rupestris var. interrupta; P–Q. Platessa rupestris; R. Adlafia bryophila; S–U. Microcostatus krasskei; V. Neidium bisulcatum; W. Hantzschia amphioxys; X. Navicula cf. radiosa; Y–Z, a. Psammothidium marginulatum; b. Navicula seminulum var. radiosa; c. Sellaphora seminulum; d–e. Fallacia insociabilis; f. Brachysira brebissonii; g. Naviculoid sp. 2; h–i. Adlafia suchlandtii j= Luticola c.f. nivaloides, k. Luticola sp. 1; l. Luticola cf. mutica; m. Sellaphora rectangularis; n. Cavinula variostriata; o Nitzschia sinuata; p–q, s–v. Nitzschia perminuta; r. Nitzschia soratensis, w. Diploneis ovalis; x–y. Rhoicosphenia cf. californica; z. Rhoicosphenia abbreviata. Scale bar =10 μm unless stated otherwise shown, '=' represents focus on each valve of the same frustule.
FIGURE 7 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 7. Light (C–I) and SEM (A–B, J–L) microscopy images of aerial diatom assemblages from southwestern Iceland. A–E. Humidophila biceps: A–B external, valve view showing external expression of areolae, distal raphe endings, and proximal raphe endings with adjacent depressions (arrow). C–E. valve view; F–L. Humidophila perpusilla: F–I. size series in valve view, and J–L. external view of valve and tilted frustule showing valve and girdle views. Note depressions flanking proximal raphe ends (arrow). M–P. Humidophila parallela: valve view. P. external view showing hints of T-shaped proximal and distal raphe endings. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 5 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 5. Light (A–F, K–L) and SEM (G–I) microscopy images of aerial diatom assemblages from southwestern Iceland, Eunotia species. A–F, H–I. Eunotia bigibba: A. two live frustules in girdle view, C–F, I. valve view, B–F. size diminution series, and B. girdle view showing raphe position, H. arrangement of the cingulum and areolae on the mantle, and I. valve view showing arrangement of punctate striae and raphe ends on the valve face. Note the appearance of the hyaline area on the ventral edge of the valve where the striae stop short (i); G, K–L. Eunotia bidens: all valve views, note the swellings along the ventral margin where the proximal raphe ends. Frustule K slightly tilted. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 8 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 8. Light (E–L, N–O) and SEM (A–D, M, P–S) microscopy images of aerial diatom assemblages from southwestern Iceland. A–H. Humidophila eldfjallii Furey, Manoylov et Lowe sp. nov.: A. external and B. internal valve views, C. close up valve apex showing distal raphe ends. D. close up of central area showing proximal raphe ends. E–H. valve view, F. holotype; I–M, R–S. Humidophila paracontenta: I–L valve view, M. internal valve view, R. external valve, and S. both valve and girdle views. Note depressions flanking distal and proximal raphe ends (arrows); N–Q. H. sp. 1, N–O. valve view, N. representative specimen circled on slide GCAC4212, P–Q. external valve view. Note depressions flanking proximal raphe ends (arrow). LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 9 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 9. Light (E–J) and SEM (A–D) microscopy images of aerial diatom populations of Humidophila gallica from southwestern Iceland. A–B. external view showing spine location and external expression of areolae, C–D. girdle view of two linked frustules showing side view of spines and presence of areolae on valve mantle and cingulum, E–F. valve view of longer form, G. tilted girdle view of a single frustule with visible spines, H. girdle view of a chain of cells. I–J. valve view of shorter form. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 4 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 4. Light (A–I, N–c) and SEM (J–M) images of aerial diatom assemblages from southwestern Iceland, Eunotia species. A–F, J–L. Eunotia palatina: A–F. size diminution series, the striae end short on the valve face to create the appearance of a hyaline strip (i), J. internal views of a valve apex showing the location of the helictoglossa, a hyaline area (i) and swelling where the proximal raphe ends (ii), K. a whole valve, internal view (scale bar as in L), and L. a frustule with both valve and girdle views visible; G–I, M. Eunotia arctica: G–I. valve views, M. external view shows striae and hyaline band along the ventral edge; N. Eunotia cf. valida: valve view; O–P. Eunotia cf. fallax: valve view; Q–W. Eunotia neofallax: valve view, V. half valve / half girdle view, and W. girdle view; X–c. Eunotia nymanniana: valve view. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 3 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 3. SEM microscopy images of aerial diatom assemblages from southwestern Iceland. A–D. Orthoseira roeseana: A–B. external valve view with 3 and 4 carinoportulae in the center with a rim, and uniseriate striae, C. internal valve view shows the simple opening of the carinoportulae, D. external view of valve mantle and part of the girdle show the spatulate spines and irregular girdle bands. Scale bars as shown.
FIGURE 2 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 2. Light (B–T) and SEM (A, U–V) microscopy images of diatom assemblages from aerial sites in southwestern Iceland. A–G. Staurosirella neopinnata: A. external, girdle view of two linked frustules, left frustule shows the completed synthesis of new valves within the frustule, B–D. size series in valve and E–G. girdle view, F and G. two linked frustules; H. Fragilaria nitzschioides: valve view; I–J. Meridion circulare var. constrictum: I. 2 frustules in girdle view, J. valve view; K. Fragilaria perminuta: valve view; L–M. Aulacoseira alpigena: L. girdle view and M. valve view; N, S–T. Orthoseira roeseana: N. girdle view with irregular linking spines and longitudinal areolae on the valve mantle, S–T. Valve view with 3 to 4 carinoportulae; O–P. Stauroforma atomus: valve views; Q, R, U–V. Hygropetra balfouriana: Q–R. valve view, U. SEM of a tilted frustule with both valve and girdle views visible, U. shows the nature of the striae, and raphe, V. internal view. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 12. Light F–H and A–E in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 12. Light F–H and A–E SEM microscopy images of aerial diatom assemblages from southwestern Iceland. A, F. Cosmioneis pusilla; B. Platessa rupestris var. interrupta; C. Psammothidium sp. 1; D. Pinnularia borealis; E. Planothidium lanceolatum; G. Stauroneis subgracilis; H. Rhopalodia rupestris. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 1 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 1. Example of wetwall (WW) habitats sampled (arrows; spoon for scale, details in Table 1). Images A–D, G–H. show euaerial sites and E–F. a pseudoaerial site. From the Hengill watershed: A–B. WW 1; C. WW 3; G. WW 52 (black arrow); G–H. WW 53 (white arrow). From along Landmannaleið road: D. near Hekla road turn off (WW 50). From the Þingvellir rift valley: E–F. a pseudoaerial site (WW 42).
FIGURE 11 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 11. Light microscopy images of aerial diatom assemblages from southwestern Iceland. A. Pinnularia cf. subcommutata; B. Pinnularia stomatophora; C. Pinnularia sp. 2; D. Pinnularia sp. 1; E. Pinnularia borealis; F. Pinnularia borealis f. subcapitata; G. Pinnularia borealis var. islandica girdle view; H. Pinnularia borealis var. lanceolata; I–J. Pinnularia intermedia; K–M. Pinnularia parva; N–O. Pinnularia minoricapitata; P. Muellaria gibulla; Q. Achnanthes coarctata; R. Caloneis schumanniana; S–T. Caloneis silicula; U–W. Caloneis tenuis; X–a. Stauroneis cf. borrichii. LM scale bar = 10 μm.
FIGURE 6 in New and interesting aerial diatom assemblages from southwestern Iceland
FIGURE 6. Light (A–E) and SEM (F–J) microscopy images of aerial, diatom population of Eunotia curtagrunowii from southwestern Iceland. A–C. valve view size diminution series and D–E. girdle view with different focuses, F. internal view showing helictoglossa and internal opening of areolae with a close up of the apex of the same valve in I. to show the internal expression of the rimoportula (arrow), G. close up of valve apex with external opening to the rimoportula (arrow), H. external view, showing arrangement of striae and raphe ends on the valve face, note the markings along the ventral edge of the valve face, J. tilted girdle view showing cingulum. LM scale bar = 10 μm, SEM scale bars as shown.
FIGURE 12. Bacopa verticillata. A. Plant aspect. B. Plant with submerged and aerial leaves. C in A taxonomic revision of the genus Bacopa (Gratioleae, Plantaginaceae) in Argentina
FIGURE 12. Bacopa verticillata. A. Plant aspect. B. Plant with submerged and aerial leaves. C. Detail of node with aerial leaves. D. Detail of node with submerged leaves and flowers. E. Detail of node with submerged leaves. F. Flower with internal lobes. G. Corolla opened, showing stamens. H. Calyx and gynoecium. I. Dorsal lobe, internal view. J & K. Lateral lobes, internal views. L & M. Internal lobes. N. Capsule (A–H, N, from Wood & Huaylla 20745, LPB, Bolivia, Dpto. Santa Cruz, Velazco, camino entre el Refugio hacia los Fierros, 14° 34'S, 61° 01' W, 18 Apr 2004; I–M, from Pedersen 12980, CTES, lectotype Bacopa pedersenii).
Phytochemical Screening and Microbial Activity of Essential Oil from Aerial Parts of Murraya paniculata (L.) Orange Jasmine
<p>Phytochemical Screening and Microbial Activity of Essential Oil from Aerial Parts of Murraya paniculata (L.) Orange Jasmine </p>
Aerial RGB and Thermal Infrared (TIR) Images of Vineyards and Pseudo-coloring RGB Images of the Plant's Stressed Areas.
<p>This dataset consists of 375 high-resolution visible-spectrum (RGB) and 375 thermal infrared (TIR) images of a vineyard (Vitis vinifera L.) captured by a Unmanned Aerial Vehicle (UAV) carrying TIR and RGB sensors. Also, the dataset contains 375 RGB images with pseudo-coloring where plants' stressed areas exist, aligned, and cropped based on the TIR images' Field of View (FOV).</p>
Phytochemical Screening and Microbial Activity of Essential Oil from Aerial Parts of Murraya paniculata (L.) Orange Jasmine
<p>Phytochemical Screening and Microbial Activity of Essential Oil from <br>Aerial Parts of Murraya paniculata (L.) Orange Jasmine </p>
Data from: Loci controlling nitrate reductase activity in maize: ultraviolet-B signaling in aerial tissues increases nitrate reductase activity in leaf and root when responsive alleles are present
Environmental factors, such as ultraviolet-B (UV-B) irradiation, have the ability to affect pathways such as nitrogen metabolism. As fixed nitrogen is the keystone mineral nutrient that controls grain crop yield, any alteration in this cycle can be detrimental to plant productivity. Nitrate reductase enzyme activity is responsible for the reduction of nitrate to nitrite, and nitrate is the major form of nitrogen assimilated in plants. In maize (Zea mays L.) production, nitrate assimilation kinetics are important for both high- and low-input agricultural systems. Nitrate reductase protein activity is controlled by phosphatases and kinases. Nitrate reductase activity is responsive to environmental signals such as light–dark cycles and UV-B radiation, although the regulatory controls are not yet fully understood. We have determined the location of maize genetic factors that control nitrate reductase activity and the extent of contribution of each of these factors, both locally in the leaf tissue and via long-distance signaling loci that affect root nitrate reductase activity upon leaf UV irradiation. In the IBM94 recombinant inbred mapping population, the loci controlling regulation of nitrate reductase activity under UV-B map to different positions than the loci controlling nitrate reductase activity in unexposed plants.
Data from: Effect of light-level geolocators on apparent survival of two highly aerial swift species
Light-level geolocators are currently widely used to track the migration of small-sized birds, but their potentially detrimental effects on survival of highly aerial species have been poorly investigated so far. We recorded capture-recapture histories of 283 common swifts Apus apus and 107 pallid swifts Apus pallidus breeding in 14 colonies in Italy, Spain, Sweden and Switzerland that were deployed with 10 different types of geolocators ('geolocator birds'), and compared their survival with that of, respectively, 215 common and 101 pallid swifts not equipped with geolocators ('control birds'). We performed both traditional GLMM using return rate as a proxy for survival and mark-recapture models to estimate survival while accounting for recapture probability. In all the analyses, geolocator birds showed reduced apparent survival compared to controls. The extent of the negative effect on survival differed between the species but the direction of the difference between species was opposite in either type of analysis. Geolocator weight was always lower 3% of body mass or less, and did not affect survival per se. Geolocators with a light-stalk, which is used in some geolocator models to reduce light sensor shading by feathers, decreased apparent survival more than models without light-stalk. Apparent survival of geolocator birds significantly varied among sites, being much higher in northern Europe. Despite in our analyses we could only partly account for variable recapture probabilities among sites and for inter-annual variability in survival, our results generally showed that equipping swifts with geolocators decreased their survival prospects, but also that the magnitude of this effect may depend on species-specific traits. These conclusions are in line with those of other studies on aerial foragers. We suggest that future studies tracking the movements of aerial insectivorous birds should use devices designed to minimize drag.
Data from: Unmanned aerial vehicles for high-throughput phenotyping and agronomic research
Advances in automation and data science have led agriculturists to seek real-time, high-quality, high-volume crop data to accelerate crop improvement through breeding and to optimize agronomic practices. Breeders have recently gained massive data-collection capability in genome sequencing of plants. Faster phenotypic trait data collection and analysis relative to genetic data leads to faster and better selections in crop improvement. Furthermore, faster and higher-resolution crop data collection leads to greater capability for scientists and growers to improve precision-agriculture practices on increasingly larger farms; e.g., site-specific application of water and nutrients. Unmanned aerial vehicles (UAVs) have recently gained traction as agricultural data collection systems. Using UAVs for agricultural remote sensing is an innovative technology that differs from traditional remote sensing in more ways than strictly higher-resolution images; it provides many new and unique possibilities, as well as new and unique challenges. Herein we report on processes and lessons learned from year 1—the summer 2015 and winter 2016 growing seasons–of a large multidisciplinary project evaluating UAV images across a range of breeding and agronomic research trials on a large research farm. Included are team and project planning, UAV and sensor selection and integration, and data collection and analysis workflow. The study involved many crops and both breeding plots and agronomic fields. The project's goal was to develop methods for UAVs to collect high-quality, high-volume crop data with fast turnaround time to field scientists. The project included five teams: Administration, Flight Operations, Sensors, Data Management, and Field Research. Four case studies involving multiple crops in breeding and agronomic applications add practical descriptive detail. Lessons learned include critical information on sensors, air vehicles, and configuration parameters for both. As the first and most comprehensive project of its kind to date, these lessons are particularly salient to researchers embarking on agricultural research with UAVs.
Figure 4 in Aquatic insects in the forest canopy: a new genus of moth flies (Diptera: Psychodidae) developing in slime on aerial roots
Figure 4. Mucomyia emersa immature stages. (a) Larval head capsule, ventral view; (b) larval mouthparts, ventral view; (c) segment IX of pupa, dorsal view; (d) segment IX of pupa, ventral view. Scale bars = 0.1 mm. Abbreviations: lm = labium; lr = labrum; mc = maxillary cardo; md = mandible; mp = maxillary palp.
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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.