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36 results for “climbers”
Effects of grip position on forearm muscle surface electromyography activity during maximal isometric finger dead-hangs in rock climbers
<p>Dataset from the study titled: "Effects of grip position on forearm muscle surface electromyography activity during maximal isometric finger dead-hangs in rock climbers"</p> <p>The dataset includes data from: participant's characteristics, maximal absolute and BW relative loads used during dead-hangs, EMG RMS data for each of the registered muscles and grip positions, and neuromuscular efficiency data for each muscle and grip position.</p>
Data from: Tolerance and overcompensation to infection by Phytophthora infestans in the wild perennial climber Solanum dulcamara
Studies of infection by Phytophthora infestans—the causal agent of potato late blight—in wild species can provide novel insights into plant defense responses, and indicate how wild plants might be influenced by recurrent epidemics in agricultural fields. In the present study, our aim was to investigate if different clones of Solanum dulcamara (a relative of potato) collected in the wild differ in resistance and tolerance to infection by a common European isolate of P. infestans. We performed infection experiments with six S. dulcamara genotypes (clones) both in the laboratory and in the field and measured the degree of infection and plant performance traits. In the laboratory, the six evaluated genotypes varied from resistant to susceptible, as measured by degree of infection 20 days post infection. Two of the four genotypes susceptible to infection showed a quadratic (concave downward) relationship between the degree of infection and shoot length, with maximum shoot length at intermediate values of infection. This result suggests overcompensation, that is, an increase in growth in infected individuals. The number of leaves decreased with increasing degree of infection, but at different rates in the four susceptible genotypes, indicating genetic variation for tolerance. In the field, the inoculated genotypes did not show any disease symptoms, but plant biomass at the end of the growing season was higher for inoculated plants than for controls, in‐line with the overcompensation detected in the laboratory. We conclude that in S. dulcamara there are indications of genetic variation for both resistance and tolerance to P. infestans infection. Moreover, some genotypes displayed overcompensation. Learning about plant tolerance and overcompensation to infection by pathogens can help broaden our understanding of plant defense in natural populations and help develop more sustainable plant protection strategies for economically important crop diseases.
Data from: Negative shoot phototropism in a climber and an epiphyte
<p>When a root-climber <em>Ficus pumila</em> and an epiphyte <em>Peperomia quadrangularis</em> were exposed to a light gradient, over 90% of the shoots grew away from light. This is the first demonstration of negative phototropism in these species<em>. </em>Whereas in climbers, negative phototropism of the shoots may help in remote location of support, its function in epiphytes remains uncertain.</p>
FIGURE 1 in Phylogeny of the climber genus Haumania (Marantaceae) endemic to the tropical lowland rainforest in Central Africa
FIGURE 1. Species distribution limits (H. danckelmaniana, hatched line; H. leonardiana, dotted line; H. liebrechtsiana, hatch-dotted line) based on Dhetchuvi (1996) and localities of the collections of the three species of Haumania in Central Africa (H. danckelmaniana, black triangles; H. leonardiana, dark grey squares; H. liebrechtsiana, light grey dots). Point labels, collection numbers (Table 1). Black line, political borders.
FIGURE 2. Bayesian 50 in Phylogeny of the climber genus Haumania (Marantaceae) endemic to the tropical lowland rainforest in Central Africa
FIGURE 2. Bayesian 50% majority-rule consensus trees of the genus Haumania and major Marantaceae genera with the outgroup Canna indica (Cannaceae). Maximum Parsimony bootstrap values>70% (above branches) and posterior probabilities>0.70 (PP, below branches) are based on combined plastid dataset (matK, rps16 intron, trnL/trnL–F, trnC–petN1r) on the left and combined nuclear dataset (ITS, 5S) on the right, each including/excluding indels. Dark bold lines connecting species names from different trees indicate moderate to strong incongruencies in the tree topology between the nuclear and plastid dataset. Dashed light grey lines connect congruent taxon positions. Letters at internal tree nodes refer to clade names after Prince & Kress (2006a): A, Sarcophrynium clade; B, Stachyphrynium clade; C, Maranta clade; D, Calathea clade; E, Donax clade. Letters behind Haumania species names indicate locality of sample: C, Cameroon; G, Gabon; DRC, Democratic Republic of Congo. *, branch support is 100; -, branch support is below 0.70.
Removing climbers more than doubles tree growth and biomass in degraded tropical forests
<p>Huge areas of tropical forests are degraded, reducing their biodiversity, carbon, and timber value. The recovery of these degraded forests can be significantly inhibited by climbing plants such as lianas. Removal of super-abundant climbers thus represents a restoration action with huge potential for application across the tropics. While experimental studies largely report positive impacts of climber removal on tree growth and biomass accumulation, the efficacy of climber removal varies widely, with high uncertainty as to where and how to apply the technique. Using meta-analytic techniques, we synthesise results from 26 studies to quantify the efficacy of climber removal for promoting tree growth and biomass accumulation. We find that climber removal increases tree growth by 156% and biomass accumulation by 209% compared to untreated forest, and that efficacy remains for at least 19 years. Extrapolating from these results, climber removal could sequester an additional 32 Gigatons of CO<sub>2</sub> over 10 years, at low cost, across regrowth and production forests. Our analysis also revealed that climber removal studies are concentrated in the Neotropics (N=22), relative to Africa (N=2) and Asia (N=2), preventing our study from assessing the influence of region on removal efficacy. While we found some evidence that enhancement of tree growth and AGB accumulation varies across disturbance context and removal method, but not across climate, the number and geographical distribution of studies limits the strength of these conclusions. Climber removal could contribute significantly to reducing global carbon emissions and enhancing the timber and biomass stocks of degraded forests, ultimately protecting them from conversion. However, we urgently need to assess the efficacy of removal outside the Neotropics and consider the potential negative consequences of climber removal under drought conditions and for biodiversity.</p>
CLIMBER-X time series output of simulated Dansgaard-Oeschger events
<p>CLIMBER-X time series output of simulations showing Dansgaard-Oeschger -like events.</p> <p>The amoc_* files contain the time series of the maximum Atlantic overturning streamfunction for the simulations with different ice sheets and atmospheric CO2 concentrations as specified in the file name.</p> <p>The ocn_ts_* files contain the time series of the maximum Atlantic overturning streamfunction and the buoyancy flux integrated north of 55°N in the North Atlantic for the simulations with different ice sheets and gradually decreasing or increasing atmospheric CO2 concentration as specified in the file name. File names ending with *_noise.nc are for simulations with noise and those ending with *_nonoise.nc are for simulations without applied noise.</p> <p> </p>
CLIMB: Climbers' Longitudinal Attitudes to Injuries, Mental Health and Body Image
ClinicalTrials.gov study NCT05587270. IPD Sharing: UNDECIDED. Countries: 1. Publications: 2.
Ultrasound Assessment of Anatomical Changes in the Fingers of Recreational Rock Climbers
ClinicalTrials.gov study NCT06410339. IPD Sharing: UNDECIDED. Countries: 1. Publications: 3.
Monitoring of the Cerebral Tissue Oxygenation and Perfusion in the Adapting Climber During Sleep in High Altitude
ClinicalTrials.gov study NCT01465971. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Effects of Soft Tissue Treatment vs Mechanisms Explanation to Treat Delayed Onset Muscles Soreness Among Sport Climbers
ClinicalTrials.gov study NCT04255212. IPD Sharing: YES. Countries: 1. Publications: 6.
Physiological Characteristics of High Altitude Climbers
ClinicalTrials.gov study NCT02880150. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Hand Therapy Approach on Lumbrical Muscle Tears in Sport Climbers
ClinicalTrials.gov study NCT05694078. IPD Sharing: NO. Countries: 1. Publications: 2.
Data from: Negative shoot phototropism in a climber and an epiphyte
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Data from: Woody climbers show greater population genetic differentiation than trees: insights into the link between ecological traits and diversification
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Structural attributes of a forest fragment under climber management
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Data from: Tolerance and overcompensation to infection by Phytophthora infestans in the wild perennial climber Solanum dulcamara
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Removing climbers more than doubles tree growth and biomass in degraded tropical forests
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Assessment of microvascular hemodynamic adaptations in finger flexors of climbers
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Figure 2 from: Neto NR, Ronqui RA, Seidinger LC, Udulutsch RG (2018) Climbers of the Estação Ecológica de Assis, State of São Paulo, Brazil: floristics and identification keys. PhytoKeys 99: 67-84. https://doi.org/10.3897/phytokeys.99.13659
Figure 2 Apocynaceae (A Blepharodon pictum B Odontadenia lutea). Asteraceae (C Chromolaena maximiliani). Bignoniaceae (D Fridericia craterophora E F. florida F Distictella mansoana G Pyrostegia venusta). Convolvulaceae (H Ipomoea aristolochiaefolia I Merremia macrocalyx).
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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)
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DANDI Archive for NWB datasets
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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.