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118 results for “Temperature warming”
The Effect of Active Warming During General Anaesthesia on Postoperative Body Temperature, Shivering and Thermal Comfort
ClinicalTrials.gov study NCT04907617. IPD Sharing: NO. Countries: 1. Publications: 1.
Thermal evolution ameliorates the long-term plastic effects of warming, temperature fluctuations and heat waves on predator-prey interaction strength
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Data from: Decreases in beetle body size linked to climate change and warming temperatures
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Data from: The interaction of exposure and warming tolerance determines fish species vulnerability to warming stream temperatures
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Effects of temperature on seed dormancy and germination of the coastal dune plant Viola grayi: Germination phenology and responses to winter warming
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Permafrost response to temperature rise in carbon and nutrient cycling: Effects from habitat-specific conditions and factors of warming
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Data from: Recognizing cross-ecosystem responses to changing temperatures: soil warming impacts pelagic food webs
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Data from: Northern range expansion of European populations of the wasp spider Argiope bruennichi is associated with global warming correlated genetic admixture and specific temperature adaptations
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Data for: Warming temperatures limit the maximum body length of teleost fishes across a latitudinal gradient in Norwegian waters
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Data from: Role of horizontal temperature advection in Arctic surface warming in early spring
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Data from: Phylogeographic differentiation versus transcriptomic adaptation to warm temperatures in Zostera marina, a globally important seagrass
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Data from: Mutualisms in a warming world—how increased temperatures affect the outcomes of multi-mutualist interactions
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Australian warming: observed change and global temperature targets
<p>Data supporting paper submitted to Geophysical Research Letters</p>
Data from: Effects of warming rate, acclimation temperature and ontogeny on the critical thermal maximum of temperate marine fish larvae
Most of the thermal tolerance studies on fish have been performed on juveniles and adults, whereas limited information is available for larvae, a stage which may have a particularly narrow range in tolerable temperatures. Moreover, previous studies on thermal limits for marine and freshwater fish larvae (53 studies reviewed here) applied a wide range of methodologies (e.g. the static or dynamic method, different exposure times), making it challenging to compare across taxa. We measured the Critical Thermal Maximum (CTmax) of Atlantic herring (Clupea harengus) and European seabass (Dicentrarchus labrax) larvae using the dynamic method (ramping assay) and assessed the effect of warming rate (0.5 to 9°C h-1) and acclimation temperature. The larvae of herring had a lower CTmax (lowest and highest values among 222 individual larvae, 13.1 – 27.0 °C) than seabass (lowest and highest values among 90 individual larvae, 24.2 – 34.3 °C). At faster rates of warming, larval CTmax significantly increased in herring, whereas no effect was observed in seabass. Higher acclimation temperatures led to higher CTmax in herring larvae (2.7 ± 0.9°C increase) with increases more pronounced at lower warming rates. Pre-trials testing the effects of warming rate are recommended. Our results for these two temperate marine fishes suggest using a warming rate of 3 - 6 °C h-1: CTmax is highest in trials of relatively short duration, as has been suggested for larger fish. Additionally, time-dependent thermal tolerance was observed in herring larvae, where a difference of up to 8°C was observed in the upper thermal limit between a 0.5- or 24-h exposure to temperatures >18°C. The present study constitutes a first step towards a standard protocol for measuring thermal tolerance in larval fish.
Data from: Temperature effects on life-history trade-offs, germline maintenance and mutation rate under simulated climate warming
Mutation has a fundamental influence over evolutionary processes, but how evolutionary processes shape mutation rate remain less clear. In asexual unicellular organism, increased mutation rates have been observed in stressful environments and the reigning paradigm ascribes this increase to selection for evolvability. However, this explanation does not apply in sexually reproducing species, where little is known about how the environment affects mutation rate. Here we challenged experimental lines of seed beetle, evolved at ancestral temperature or under simulated climate warming, to repair induced mutations at ancestral and stressful temperature. Results show that temperature stress causes individuals to pass on a greater mutation load to their grand-offspring. This suggests that stress-induced mutation rates, in unicellular and multicellular organisms alike, can result from compromised germline DNA repair in low condition individuals. Moreover, lines adapted to simulated climate warming had evolved increased longevity at the cost of reproduction, and this allocation decision improved germline repair. These results suggest that mutation rates can be modulated by resource allocation trade-offs encompassing life-history traits and the germline and have important implications for rates of adaptation and extinction as well as our understanding of genetic diversity in multicellular organisms.
Predator presence and recent climatic warming raise body temperatures of island lizards
<p>In ectothermic predator-prey relationships, evasion of predation by prey depends on physiological and behavioural responses relating to the thermal biology of both predator and prey. On Japan's Izu Islands, we investigated a prey lizard's physiological and thermal responses to the presence of a snake predator over geologic time in addition to recent climatic warming. Foraging lizard body temperatures increased by 1.0°C from 1981 to 2019 overall, yet were 2.9°C warmer on snake islands relative to snake-free islands. We also detected snake predator-induced selection on hind leg length, which in turn is a major determinant for sprint speed only in lizard populations exposed to predation by snakes. Accordingly, we found that warmer prey body temperatures result in faster sprint speeds by the prey at temperatures suboptimal for the snake predator, and therefore contribute to escaping predation. Given recent climatic change, further warming could irrevocably alter this and other ectothermic predator-prey relationships.</p>
Data for: Warm night temperature alters paternal allocation strategy in a North temperate zone butterfly
<p class="CxSpFirst">Warming temperatures are greatly impacting wild organisms across the globe. Some of the negative impacts of climate change can be mitigated behaviorally, for example, by changes in habitat and oviposition site choice. Temperatures are reportedly warming faster at night than during the day, yet studies assessing the impacts of increasing night temperature are rare. We used the Finnish Glanville fritillary butterfly (<i>Melitaea cinxia</i>) as study species and exposed adult butterflies of both sexes to warmer night conditions. Under a semi-natural outdoor enclosure, we assessed whether females base their oviposition choices primarily on habitat site characteristics (open, suggestive of dry meadows <i>vs</i> covered by a coarse canopy, suggestive of pastures) or on plant condition (dry <i>vs</i> lush), and if their choice is altered by the thermal conditions experienced at night. As exposure to warmer environmental conditions is expected to increase resting metabolic rate and potentially reduce life expectancy, we further assessed the fitness implications of warm night temperatures. We found that females prefer open sites for oviposition and that females do not switch their oviposition strategy based on the thermal conditions they experienced at night prior to the reproductive event. Exposure to warm nights did not influence female lifespan, but the egg hatching success of their offspring was reduced. In addition, we found that males exposed to warm nights sired larger clutches with higher hatching rate. As warm night exposure reduced male lifespan, this may imply a switch in male resource allocation strategy towards increased offspring quality. The present work adds on to the complex implications of climate warming and highlights the importance of the often-neglected role of males in shaping offspring performance.</p>
Data for "Antarctic ice-sheet meltwater reduces transient warming and climate sensitivity through the sea-surface temperature pattern effect"
<p>Data of the Historical Hosing simulations presented in "Antarctic ice-sheet meltwater reduces transient warming and climate sensitivity through the sea-surface temperature pattern effect" submitted to Geophysical Research Letters</p> <p>Authors: Yue Dong, Andrew G. Pauling, Shaina Sadai, Kyle C. Armour </p> <p>Abstract:</p> <p>Coupled global climate models (GCMs) generally fail to reproduce the observed sea-surface temperature (SST) trend pattern since the 1980s. The model-observation discrepancies may arise in part from the lack of realistic Antarctic ice-sheet meltwater imbalance in GCMs. Here we employ two sets of CESM1-CAM5 simulations forced by anomalous Antarctic meltwater fluxes over 1980--2013 and into the 21st century. Both show a reduced global warming rate and an SST trend pattern that better resembles observations. The meltwater drives surface cooling in the Southern Ocean and the tropical southeast Pacific, in turn increasing low-cloud cover and driving radiative feedbacks to become more stabilizing (corresponding to a lower effective climate sensitivity). These feedback changes contribute more than ocean heat uptake efficiency changes in reducing the global warming rate. Accurately projecting historical and future warming thus requires improved representation of Antarctic meltwater and its impacts in models. </p>
Cold-water species deepen to escape warm water temperatures
<p><span><b>Aim. </b>Whether marine species can respond to ocean warming by changing their depth remains controversial. While some evidence suggests that species can deepen to cope with warming climates, other studies found ecologically constrained depth distributions. Our study focuses on generalizing species depth response to warming, and elucidating whether some species display larger depth change than others. This may help in understanding the future distribution of marine species and communities. </span></p> <p><b>Location</b>. The Mediterranean Sea</p> <p><b>Time period</b>. 1985-2017</p> <p><b>Major taxa studied</b>. Fish, malacostracans, and cephalopods</p> <p><b>Methods</b>. We compiled species depth records from bottom-trawl surveys encompassing 236 marine species across the steep climatic gradient of the Mediterranean Sea. This data, represents the largest assessment, to date, of the potential of species to modify their depth distribution in response to spatially-varying climate. Using environmental variables (e.g. sea surface temperature, bottom temperature, and salinity) we elucidate species depth change across different climatic gradients. We then test whether species traits (e.g. thermal preference, depth affinity, and taxonomic relation) explain the variation in depth-response.</p> <p><b>Results</b>. We revealed a significant deepening of minimum depths (shallow depth limits) with increasing sea temperatures across the Mediterranean Sea. Moreover, we show that this deepening is uneven among species, as cold-water species, and eurytherms, deepen more than warm-water species, and stenotherms. In addition, deep-water species deepen more than shallow-water species. We also find surprising changes towards shallower maximal depths (deep depth limits) with warming, but this pattern was not entirely supported by our sensitivity analyses.</p> <p><b>Main conclusions</b>. These large changes across the Mediterranean Sea imply that progressively warmer oceans will compress the vertical distribution of marine organisms. However, as different species will respond differentially, the future vertical distribution of marine communities will change in complex ways.</p>
Database for the article "Acclimation of fine root systems to soil warming: comparison of an experimental setup and a natural soil temperature gradient", published in Ecosystems
<p>The database contains measurements of fine root biomass, absorptive fine root biomass, absorptive root morphology (diameter, specific root length, specific root area, root tissue density, root tip length, root tip weight and branching per length and weight) and identifications and sequences of root-colonizing ectomycorrhizal fungi.</p>
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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.