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622 results for “High altitude”
Rise in temperature causes decreased fitness and higher extinction risks in endemic frogs at high altitude forested wetlands in northern Pakistan
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Data from: Use of ancient sedimentary DNA as a novel conservation tool for high-altitude tropical biodiversity
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Mid to late-Holocene palynomorph, charcoal and sediment data from three middle and high-altitude sediment cores from the Kashmir Valley
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Inflammatory gene expression during acute high‐altitude exposure
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Figure 5 from: Wu C, Liu C-X (2020) New record of Didymocorypha Wood-Mason (Mantodea, Eremiaphilidae) from China, with description of a new high-altitude wingless mantis species in Asia. ZooKeys 922: 51-64. https://doi.org/10.3897/zookeys.922.47987
Figure 5 Fore femur (A, B) and cerci (C–E) of Didymocorypha spp. A, B, D, ED. libaii sp. nov. CD. lanceolata (Fabricius). A Ventral view B dorsal view A, B, C, E male D female. Abbreviations: fb = femoral brush; ds = discoidal spines; gs = genicular spur; pvfs = posteroventral femoral spines.
Figure 4 from: Wu C, Liu C-X (2020) New record of Didymocorypha Wood-Mason (Mantodea, Eremiaphilidae) from China, with description of a new high-altitude wingless mantis species in Asia. ZooKeys 922: 51-64. https://doi.org/10.3897/zookeys.922.47987
Figure 4 Head of Didymocorypha spp., anterior view. A Male, D. lanceolata (Fabricius) B male, D. libaii sp. nov. (holotype) C female, D. libaii sp. nov. (paratype). Red arrows point to ocelli.
Figure 7 from: Wu C, Liu C-X (2020) New record of Didymocorypha Wood-Mason (Mantodea, Eremiaphilidae) from China, with description of a new high-altitude wingless mantis species in Asia. ZooKeys 922: 51-64. https://doi.org/10.3897/zookeys.922.47987
Figure 7 Distribution map of the distribution Didymocorypha spp. in South Asia and East Asia (Himalaya).○: D. lanceolata (Fabricius) ; * D. libaii sp. nov.
Figure 6 from: Wu C, Liu C-X (2020) New record of Didymocorypha Wood-Mason (Mantodea, Eremiaphilidae) from China, with description of a new high-altitude wingless mantis species in Asia. ZooKeys 922: 51-64. https://doi.org/10.3897/zookeys.922.47987
Figure 6 Male genitalia of Didymocorypha spp., Disarticulated genital complex, ventral view. AD. lanceolata (Fabricius) B, CD. libaii sp. nov. Abbreviations: L4A = sclerite extending over the ventral wall of left phallomere; L4B = sclerite extending over the dorsal wall of left phallomere; R3 = anteriorly extending sclerite of right phallomere; afa = phalloid apophysis; fda = main posterior lobe of right phallomere; pia = process posterolateral to pva of right phallomere; pva = process anteromesal to pia of right phallomere; paa = posterior process of left phallomere; sdp = secondary distal process.
Figure 1 from: Wu C, Liu C-X (2020) New record of Didymocorypha Wood-Mason (Mantodea, Eremiaphilidae) from China, with description of a new high-altitude wingless mantis species in Asia. ZooKeys 922: 51-64. https://doi.org/10.3897/zookeys.922.47987
Figure 1 Didymocorypha spp. body in dorsal view and ootheca. A, C Male B female D oothecae. AD. lanceolata (Fabricius) B–DD. libaii sp. nov. (holotype and paratype).
Figure 3 from: Wu C, Liu C-X (2020) New record of Didymocorypha Wood-Mason (Mantodea, Eremiaphilidae) from China, with description of a new high-altitude wingless mantis species in Asia. ZooKeys 922: 51-64. https://doi.org/10.3897/zookeys.922.47987
Figure 3 Adult and nymph of Didymocorypha libaii sp. nov. in natural habitat. A Adult male B nymphs C feeding adult female D copulating adults E ecological habitat.
Data from: Cognitive function and mood at high altitude following acclimatization and use of supplemental oxygen and adaptive servoventilation sleep treatments
Impairments in cognitive function, mood, and sleep quality occur following ascent to high altitude. Low oxygen (hypoxia) and poor sleep quality are both linked to impaired cognitive performance but their independent contributions at high altitude remain unknown. Adaptive servoventilation (ASV) improves sleep quality by stabilizing breathing and preventing central apneas without supplemental oxygen. We compared the efficacy of ASV and supplemental oxygen sleep treatments for improving daytime cognitive function and mood in high-altitude visitors (N = 18) during acclimatization to 3,800 m. Each night, subjects were randomly provided with ASV, supplemental oxygen (SpO₂ > 95%), or no treatment. Each morning subjects completed a series of cognitive function tests and questionnaires to assess mood and multiple aspects of cognitive performance. We found that both ASV and supplemental oxygen (O2) improved daytime feelings of confusion (ASV: p < 0.01; O₂: p < 0.05) and fatigue (ASV: p < 0.01; O₂: p < 0.01) but did not improve other measures of cognitive performance at high altitude. However, performance improved on the trail making tests (TMT) A and B (p < 0.001), the balloon analog risk test (p < 0.0001), and the psychomotor vigilance test (p < 0.01) over the course of three days at altitude after controlling for effects of sleep treatments. Compared to sea level, subjects reported higher levels of confusion (p < 0.01) and performed worse on the TMT A (p < 0.05) and the emotion recognition test (p < 0.05) on nights when they received no treatment at high altitude. These results suggest that stabilizing breathing (ASV) or increasing oxygenation (supplemental oxygen) during sleep can reduce feelings of fatigue and confusion but that daytime hypoxia may play a larger role in other cognitive impairments reported at high altitude. Furthermore, this study provides evidence that some aspects of cognition (executive control, risk inhibition, sustained attention) improve with acclimatization.
Data from: Going to extremes for sodium acquisition: use of community land and high-altitude areas by mountain gorillas Gorilla beringei in Rwanda
Space use in mammals may be influenced not only by their primary foods, but also by localized sources of physiologically critical resources such as sodium-rich plants. We examined how sodium acquisition influences habitat use in mountain gorillas (Gorilla beringei) in Rwanda which have increased the amount of time they forage on community land outside of Volcanoes National Park (VNP), where eucalyptus (Eucalyptus spp.) tree bark is their most frequently eaten food. We measured sodium content in samples from 34 main dietary items and quantified sodium intake by 22 gorillas in three social groups over one-year. On a dry weight basis, eucalyptus bark contains 3100 mg Na/kg. In contrast, the four herbs most frequently exploited for food inside the park are relatively sodium-poor (<70mg/kg each). Further, sodium intake rates were highest when the gorillas were on community land. Of the two groups that fed outside of the park, one obtained 73% and the other one 45% of their sodium in that habitat despite only feeding for minimal amounts of time there. However, one group that did not feed on community land acquired 78% of its sodium in the subalpine and alpine zones through the consumption of pith of giant lobelias and groundsels. Obtaining sodium thus likely creates an incentive for the gorillas to leave the park and make forays into high-altitude habitat. Both strategies are not without risks: exiting their natural habitat and feeding on crops may increase human-wildlife conflict and visiting high-altitude areas may increase the risk of hypothermia.
FIGURE 29 in Leaf-mining Nepticulidae (Lepidoptera) from record high altitudes: documenting an entire new fauna in the Andean páramo and puna
FIGURE 29. Morphology of male genitalia of high-Andean Stigmella, Nepticulidae.
FIGURE 7 in Description of three new species of the tropical Asian jumping spider genus Onomastus Simon, 1900 from high altitude cloud forests of Sri Lanka (Araneae: Salticidae)
FIGURE 7. Onomastus maskeliya sp. nov. from Upcott. A–B. Male in life. C–D. Female in life.
FIGURE 8 in Two new high altitude genera of Camiarini (Coleoptera: Leiodidae: Camiarinae) from Australia and New Zealand
FIGURE 8. Camiarodes nunni, male: dorsal habitus. Scale bar = 1 mm.
FIGURE 1 in Two new high altitude genera of Camiarini (Coleoptera: Leiodidae: Camiarinae) from Australia and New Zealand
FIGURE 1. Camisolus ptinoides, male: dorsal habitus (length of beetle = 3.7 mm).
FIGURE 5 in Anticyphon gen. nov., a new genus of Scirtidae (Coleoptera: Scirtoidea) inhabiting high altitude Andean cloud forests and páramo formation
FIGURE 5. Anticyphon oyonensis sp. nov., abdomen. A) male, B) female.
FIGURE 27 in Leaf-mining Nepticulidae (Lepidoptera) from record high altitudes: documenting an entire new fauna in the Andean páramo and puna
FIGURE 27. Distribution map of the high-Andean Nepticulidae with height records.
FIGURE 28 in Leaf-mining Nepticulidae (Lepidoptera) from record high altitudes: documenting an entire new fauna in the Andean páramo and puna
FIGURE 28. Details of adult morphology of high-Andean Stigmella, Nepticulidae.
Figure 5 from: Chao J-L, Lee K-S, Chang H-S (2018) Lithobius (Monotarsobius) meifengi sp. n., a new species of centipede from high altitude forest in central Taiwan (Chilopoda, Lithobiomorpha,Lithobiidae). In: Stoev P, Edgecombe GD (Eds) Proceedings of the 17th International Congress of Myriapodology, Krabi, Thailand. ZooKeys 741: 181-192. https://doi.org/10.3897/zookeys.741.21036
Figure 5 Lithobius (Monotarsobius) meifengensis sp. n. A, B, ♀NMNS7843-009: A the 1st to 4th leg-bearing segments, ventral view B the claw of 4th leg C, D ♂ NMNS7634-070): C left 15th leg and right 14th leg, lateral-ventral view D large pores of the telopodal glands (tp) and small pore of flexo-canal epidermal gland (gp) on the 15th leg.
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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.