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205 results for “High-Altitude”
Figure 3 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 3. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Left maxilla 1, dorsal view; (B) Detail of the right palp of maxilla 1, dorsal view; (C) Left maxilla 2, dorsal view; (D) Left maxilliped, dorsal view. Scale bars: 0.1 mm for B; 1.0 mm for D; 0.5 mm for the remaining.
Figure 2 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 2. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Head, lateral view; (B) Right antenna 1, lateral view; (C) Right antenna 2, lateral view; (D) Upper lip, dorsal view; (E) Lower lip, dorsal view; (F) Left mandible, mesial view; (G) Right mandible, mesial view. Scale bars: 1.0 mm.
Figure 6 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 6. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Right pereopod 3, lateral view; (B) Right pereopod 4, lateral view; (C) Right pereopod 5, lateral view; (D) Right pereopod 6, lateral view; (E) Right pereopod 7, lateral view. Scale bars: 1.0 mm.
Figure 5 in A new species of Gammarus Fabricius, 1775 (Crustacea: Amphipoda: Gammaridae) from extreme high-altitude Lake Tong Tso, Qinghai-Tibetan Plateau
Figure 5. Gammarus pontual sp. nov., male paratype (MZUSP 40977): (A) Right gnathopod 2, lateral view; (B) Left gnathopod 2, mesial view. Scale bars: 1.0 mm.
Data from: Influences of ski-runs, meadow management and climate on the occupancy of reptiles and amphibians in a high-altitude environment of Italy
<p>Alpine ecosystems harbour a rich and highly-specialized biodiversity which is particularly susceptible to anthropogenic disturbances such as habitat loss and fragmentation as well as to climate change. Combined with other forms of land-use conversion, construction and maintenance of ski resorts can have severe consequences on alpine biodiversity. In this study, we show how one amphibian and two reptile species, namely <em>Rana </em><em>temporaria</em>, <em>Zootoca</em><em> vivipara</em> and <em>Vipera</em><em> </em><em>berus</em>, respond to such impacts by means of a multi-season occupancy analysis. We found all three species both in and outside ski-runs, showing that these habitats do not necessarily preclude their occurrence. Contrarily, this is influenced more by microhabitat availability, such as ground vegetation, humid areas, and rock cover, rather than by macro-characteristics like elevation or habitat type. Moreover, we found a climatic influence on the year-to-year occupancy change of the species, with activity-months conditions being more relevant than overwintering ones. Our results demonstrate how, in the specific case of reptiles and amphibians, ski resorts do not necessarily limit species' occurrence and that a mild series of management actions might secure the species' persistence in the area.</p>
Figure 2. High-altitude distribution P in Modern Distribution and Ecological-phytocenotic Features of Platanthera chlorantha (Cust.) Rchb. in the Republic of Adygea
Figure 2. High-altitude distribution P. chlorantha.
Comparison of Species Composition and Climate Drivers in High-Latitude Alpine Ecosystems and High-Altitude Alpine Ecosystems
<p>Plot-wise data of two distinct alpine ecosystems: the High-Latitude Alpine Ecosystems (HLAE) of Hardangervidda National Park.</p>
Psycho-physio-neurological correlates of qualitative attention, emotion and flow experiences in a close-to-real-life extreme sports situation: low- and high-altitude slackline walking
<p>It has been indicated that extreme sport activities, despite providing fear, stress and anxiety, also result in a highly rewarding experience. Studies have related this experience to the concept of flow, a positive feeling that individuals undergo when they are completely immersed in an activity. However, little is known about the exact nature of these experiences, and, there are still no empirical results to characterize the brain dynamics during extreme sport practice. This work aimed at investigating changes in psychological responses while recording physiological (heart rate – HR, and breathing rate – BR) and neural (electroencephalographic – EEG) data of eight volunteers, during outdoors slackline walking in a mountainous environment at two different altitude conditions (1 m – low-walk – and 45 m – high-walk – from the ground). Low-walk showed a higher score on flow scale, while high-walk displayed a higher score in the negative affect aspects, which together point to some level of flow restriction during high-walk. The order of task performance was shown to be relevant for the physiological and neural variables. The brain behavior during flow, mainly considering attention networks, displayed the stimulus-driven ventral attention network – VAN, regionally prevailing (mainly at the frontal lobe), over the goal-directed dorsal attention network – DAN. Therefore, we suggest an interpretation of flow experiences as an opened attention to more changing details in the surroundings, i.e., configured as a ‘task-constantly-opened-to-subtle-information experience’, rather than a ‘task-focused experience’.</p>
Psycho-physio-neurological correlates of qualitative attention, emotion and flow experiences in a close-to-real-life extreme sports situation: low- and high-altitude slackline walking
<p>It has been indicated that extreme sport activities, despite providing fear, stress and anxiety, also result in a highly rewarding experience. Studies have related this experience to the concept of flow, a positive feeling that individuals undergo when they are completely immersed in an activity. However, little is known about the exact nature of these experiences, and, there are still no empirical results to characterize the brain dynamics during extreme sport practice. This work aimed at investigating changes in psychological responses while recording physiological (heart rate – HR, and breathing rate – BR) and neural (electroencephalographic – EEG) data of eight volunteers, during outdoors slackline walking in a mountainous environment at two different altitude conditions (1 m – low-walk – and 45 m – high-walk – from the ground). Low-walk showed a higher score on flow scale, while high-walk displayed a higher score in the negative affect aspects, which together point to some level of flow restriction during high-walk. The order of task performance was shown to be relevant for the physiological and neural variables. The brain behavior during flow, mainly considering attention networks, displayed the stimulus-driven ventral attention network – VAN, regionally prevailing (mainly at the frontal lobe), over the goal-directed dorsal attention network – DAN. Therefore, we suggest an interpretation of flow experiences as an opened attention to more changing details in the surroundings, i.e., configured as a ‘task-constantly-opened-to-subtle-information experience’, rather than a ‘task-focused experience’.</p>
Data from: Divergent mechanisms of reduced growth performance in Betula ermanii saplings from high-altitude and low-latitude range edges
<p><span>The reduced growth performance of individuals from range edges is a common phenomenon in various taxa, and considered to be an evolutionary factor that limits the species' range. However, most studies did not distinguish between two mechanisms that can lead to this reduction: genetic load and adaptive selection to harsh conditions. This study investigated the climatic and genetic factors underlying the growth performance of <em>Betula ermanii</em> saplings transplanted from 11 populations including high-altitude edge and low-latitude edge population using RAD-seq analysis.</span></p> <p>For 11 B. ermanii populations in wide-latitude range of Japan, we estimated gene diversity, nucleotide diversity, <span>the coefficients of linkage disequilibrium, genetic differentiation between populations, population structure as well as the relatedness coefficient from SNPs. As a result, the low-latitude edge population exhibited a high level of linkage disequilibrium, low genetic diversity, a distinct genetic composition from the other populations, and a high relatedness coefficient.</span></p> <p><span>This data contains two SNPs datas (vcf files) used in these analysis. We analyzed SNPs data separately for 8 planting sites. Then each tarball contains 8 separate vcf files. One tarball named "vcfAfterFiltering" contains vcf files after SNP filtering steps used for the calculation of the coefficients of linkage disequilibrium. Another tarball named "vcfAfterLDPruning" contains vcf files after SNP filtering and before LD-based pruning used for the calculation of other genetic parameters.</span></p>
HYPHOP: a tool for high-altitude, long-range monitoring of hydrogen peroxide and higher organic peroxides in the atmosphere
<p>We provide here the supporting dataset for our study on measurement performance of the HYPHOP monitor during the CAFE-Brazil aircraft campaign in 2022/23. </p>
Data from: Influences of ski-runs, meadow management and climate on the occupancy of reptiles and amphibians in a high-altitude environment of Italy
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Data from: Divergent mechanisms of reduced growth performance in Betula ermanii saplings from high-altitude and low-latitude range edges
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The combination of high leaf hydraulic safety and water use efficiency allows alpine shrubs to adapt to high-altitude habitats
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Coordinated changes across the O2 transport pathway underlie adaptive increases in thermogenic capacity in high-altitude deer mice
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Data from: Specifying high-altitude electrons using low-altitude LEO systems: the SHELLS model
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FIGURE 7 in Qorimayus, a new genus of relictual, high-altitude harvestmen from western Argentina (Arachnida, Opiliones, Gonyleptidae) reveals trans-Andean phylogenetic links
FIGURE 7. Records of Qorimayus alticola (blue dots) in Sierra de Famatina, La Rioja Province, western Argentina, together with known localities of the Chilean genera Nanophareus (red dots) and Metabalta (yellow dots). Regional divisions in Chile: Coquimbo (COQ); Valparaíso (VAL); Región Metropolitana de Santiago (MET); Libertador General Bernardo O'Higgins (OHI); Maule (MAU); Ñuble (ÑUB); Bío-Bío (BIO). Inset: position of the represented area in South America; La Rioja Province indicated in gray.
FIGURE 6 in Qorimayus, a new genus of relictual, high-altitude harvestmen from western Argentina (Arachnida, Opiliones, Gonyleptidae) reveals trans-Andean phylogenetic links
FIGURE 6. Distal end of penis, lateral views. A: Metabalta efformata Roewer, 1929, syntype ♂ (SMF), B–C: Detail of stylus and ventral process of stylus (VPS); C is slightly rotated dorsolaterally to see the subapical spines on the VPS shaft. D: Nanophareus bosqenublado Hara et al., 2012 (AMNH), E: Detail of stylus and VPS, F: Nanophareus palpalis Roewer, 1929, ♂ lectotype (SMF 986/1). Scales: 0.1 mm.
FIGURE 4 in Qorimayus, a new genus of relictual, high-altitude harvestmen from western Argentina (Arachnida, Opiliones, Gonyleptidae) reveals trans-Andean phylogenetic links
FIGURE 4. Right pedipalps, lateral view; all drawings at the same scale. A: Qorimayus alticola (Ringuelet, 1962) comb. nov., holotype ♂ (MACN). B: Metabalta efformata Roewer, 1929, syntype ♂ (SMF). C: Metabalta geniculata Roewer, 1929, syntype ♂ (SMF) D: Nanophareus bosqenublado Hara et al., 2012 (AMNH). Scale bars: 1 mm.
FIGURE 1 in Qorimayus, a new genus of relictual, high-altitude harvestmen from western Argentina (Arachnida, Opiliones, Gonyleptidae) reveals trans-Andean phylogenetic links
FIGURE 1. Cladistic relationships of Qorimayus gen. nov.: single most parsimonious tree obtained with implied weights (IW), k=6 (Ci: 0.37, Ri: 0.60, tree length: 376 steps). Character optimization: solid circles depict non-homoplasious states, open circles are homoplasious states. Small numbers on a circle indicate the character number (above the circle) and its state (below); larger numbers under relevant branches display values of bootstrap, jackknife and symmetric resample (B-J-SR), high support values in bold. Abbreviations for major clades (underlined): G: Gonyleptidae; PsG: Pachyloides-group; PG: Pachylus-group; PG+Eu: Pachylus-group plus Eusarcus spp.; MG: Metabalta-group; M+Na(+): Metabalta+Na(+); M: genus Metabalta; Na(+): Nanophareus, plus N+T; Na: genus Nanophareus; e-s: "eyes-separate" clade.
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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.