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246 results for “body temperature”
Changes in body surface temperature play an under-appreciated role in the avian immune response
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Effect of temperature on the post-diapause development rate, survival, and body mass of the solitary wasp Isodontia elegans
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Data from: Body temperature, heart rate, and activity patterns of two boreal homeotherms in winter: homeostasis, allostasis, and ecological coexistence
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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: The impact of temperature on the reproductive development, body condition, and mortality of fall migrating monarch butterflies in the laboratory
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Body temperature, evaporative water loss and resting metabolic rate data for 12 southern African arid-zone passerines
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Data from: Parental investment and body temperature explain encephalization in vertebrates
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Data from: Habitat, latitude, and body mass influence the temperature dependence of metabolic rate
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Traces of air and body temperature in six hummingbird species in the Andes
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Images used to investigate the temperature-body size responses in British Odonata
<p>Images of the left (L) or right (R) hindwing of 5331 specimens of 14 species of British Odonata, on a white background with the corresponding landmark coordinates in TPS format. Image names include the specimen number (NHMUK xxxxxx) of the corresponding specimen, which can be examined on the NHM data portal: <a href="https://data.nhm.ac.uk/">https://data.nhm.ac.uk/</a></p>
Data from: Temperature-driven colour lightness and body size variation scale to local assemblages of European Odonata but are modified by propensity for dispersal
<p>1. Previous macrophysiological studies suggested that temperature-driven colour lightness and body size variations strongly influence biogeographical patterns in ectotherms. However, these trait-environment relationships scale to local assemblages and the extent to which they can be modified by dispersal remains largely unexplored. We test whether the predictions of the thermal melanism hypothesis and the Bergmann's rule hold for local assemblages. We also assess whether these trait-environment relationships are more important for species adapted to less stable (lentic) habitats, due to their greater dispersal propensity compared to those adapted to stable (lotic) habitats.</p> <p>2. We quantified the colour lightness and body volume of 99 European dragon- and damselflies (Odonata) and combined these trait information with survey data for 518 local assemblages across Europe. Based on this continent-wide yet spatially explicit dataset, we tested for effects temperature and precipitation on the colour lightness and body volume of local assemblages and assessed differences in their relative importance and strength between lentic and lotic assemblages, while accounting for spatial and phylogenetic autocorrelation.</p> <p>3. The colour lightness of assemblages of odonates increased and body size decreased with increasing temperature. Trait-environment relationships in the average and phylogenetic predicted component were equally important for assemblages of both habitat types but were stronger in lentic assemblages when accounting for phylogenetic autocorrelation.</p> <p>4. Our results show that the mechanism underlying colour lightness and body size variations scale to local assemblages, indicating their general importance. These mechanisms were of equal evolutionary significance for lentic and lotic species, but higher dispersal ability seems to enable lentic species to cope better with historical climatic changes. The documented differences between lentic and lotic assemblages also highlight the importance of integrating interactions of thermal adaptations with proxies of the dispersal ability of species into trait-based models, for improving our understanding of climate-driven biological responses.</p>
Data from: Diurnal body temperature patterns in free-ranging populations of two southern African arid-zone nightjars
Endotherms allocate large amounts of energy and water to the regulation of a precise body temperature (Tb), but can potentially reduce thermoregulatory costs by allowing Tb to deviate from normothermic levels. Many data on heterothermy at low air temperatures (Ta) exist for caprimulgids, whereas data on thermoregulation at high Ta are largely absent, despite members of this taxon frequently roosting and nesting in sites exposed to high operative temperatures. We investigated thermoregulation in free-ranging Rufous-cheeked Nightjars (Caprimulgus rufigena) and Freckled Nightjars (Caprimulgus tristigma) in the southern African arid zone. Individuals of both species showed labile Tb fluctuating around a single modal Tb (Tb-mod). Average Tb-mod was 39.7 °C for Rufous-cheeked Nightjars and 39.0 °C for Freckled Nightjars. In both species, diurnal Tb increased with increasing Ta. At Ta ≥ 38 °C, Rufous-cheeked Nightjar mean Tb increased to 42 °C, equivalent to 2.3 °C above Tb-mod. Under similar conditions, Freckled Nightjar Tb was on average only 1.1 °C above Tb-mod, with a mean Tb of 40.0 °C. Freckled Nightjars are one of the most heterothermic caprimulgids investigated to date, but our data suggest that during hot conditions this species maintains Tb within a narrow range above Tb-mod, possibly reflecting an evolutionary tradeoff between decreased thermal sensitivity to lower Tb but increased sensitivity to high Tb. These findings reveal how general thermoregulatory patterns at similar Ta can vary even among closely related species.
Fig 9 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 9 Frequencies of Patanga japonica last instar nymphs that hatched on June 14, July 21, and August 12 and reared in a group in outdoor cages. For black patterning grades, see Fig. 1.
Fig 8 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 8 Effects of visual stimuli from five nymphs on the induction of black patterns in isolated-reared nymphs of Patanga japonica. A. Experimental setup; B. Frequencies of last instar test nymphs in different black patterning grades; C. Body colors in the three grades observed. For black patterning grades, see Fig. 1.
Fig 7 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 7 Solitary-reared (A, grade 1), group-reared (B, grade 5), and CRZ-injected (C, grade 5) last instar nymphs of Patanga japonica at 30°C and individual reared in a group at 34°C (D, grade 2). The individual in C was reared in isolation and green when injected with 1 nmol CRZ at the fourth stadium. For black patterning grades, see Fig. 1.
Fig 6 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 6 Effects of crowding on the frequencies of Patanga japonica last instar nymphs in different black patterning grades in black, yellow-green (Y-green), and white containers. Five nymphs were reared in each container from May 31 to August 15 at room temperature (25.1°C on average). For black patterning grades, see Fig. 1.
Fig 5 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 5 Body color of Patanga japonica nymphs reared in a group at room temperature. Black patterns appeared at the second stadium onward. The penultimate and last nymphal instars were identified based on wing pad size.
Fig 4 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 4 Effects of substrate color on the frequencies of Patanga japonica last instar nymphs with different background body colors (A), with reddish legs (B), and in different black patterning grades (C). Nymphs were reared individually in black, yellow-green (Y-green) and white containers from May 31 to August 15 at room temperature (25.1°C on average). Different letters in B indicate significant differences in proportions by a χ2 test at 5%. For body colors and black patterning grades, see Fig. 1.
Fig 2 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 2 Variation in body color of Patanga japonica last instar nymphs. Photographs were taken on September 1 (A), October 11 (B), October 21 (C), November 11 (D), September 29 (E), and September 27, 2021 (F).
Fig 3 from: Tanaka S, Kayukawa T (2024) Environmental and hormonal control of body-color polyphenism in Patanga japonica (Orthoptera, Acrididae): Effects of substrate color, crowding, temperature and [His7]-corazonin injection. Journal of Orthoptera Research 33(1): 1-12. https://doi.org/10.3897/jor.33.98133
Fig 3 Proportions of green and non-green Patanga japonica last instar nymphs observed at a study site in Tsukuba in 2021.
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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.