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58 results for “Ecology: physiological”
FIGURE 3 in A new species of Bachia Gray, 1845 (Squamata: Gymnophthalmidae) from the Eastern Brazilian Cerrado, and data on its ecology, physiology and behavior
FIGURE 3. Paratypes of Bachia geralista sp. nov. (A) from Parque Nacional Grande Sertão Veredas, MG (MZUSP 99473) and (B) from São Desidério, BA (MZUSP 100021).
FIGURE 1 in A new species of Bachia Gray, 1845 (Squamata: Gymnophthalmidae) from the Eastern Brazilian Cerrado, and data on its ecology, physiology and behavior
FIGURE 1. Lateral (A), dorsal (B) and ventral (C) views of the head of the holotype of Bachia geralista sp. nov. (MZUSP 99408). Bar represents 5 mm.
FIGURE 2 in A new species of Bachia Gray, 1845 (Squamata: Gymnophthalmidae) from the Eastern Brazilian Cerrado, and data on its ecology, physiology and behavior
FIGURE 2. Living paratopotypes of Bachia geralista sp. nov. from Parque Nacional Cavernas do Peruaçu, Minas Gerais state, Brazil, showing color pattern with a distinct dorsolateral yellowish stripe (A) and with a dorsolateral stripe faded (B).
Telomere length correlates with physiological and behavioural responses of a long-lived seabird to an ecologically-relevant challenge
<p>Determinants of individual variation in reallocation of limited resources towards self-maintenance versus reproduction are not well known. We tested the hypothesis that individual heterogeneity in long-term "somatic state" a) explains variation in endocrine and behavioural responses to environmental challenges, and b) is associated with variation in strategies for allocating to self-maintenance versus reproduction. We used relative telomere length as an indicator of somatic state and experimentally generated an abrupt short-term reduction of food availability (withdrawal of food supplementation) for free-living seabirds (Black-legged kittiwakes, Rissa tridactyla). Incubating male kittiwakes responded to withdrawal by increasing circulating corticosterone and losing more weight compared to continuously supplemented controls. Males with longer telomeres increased time in directed travel regardless of treatment, while experiencing smaller increases in corticosterone. Males with longer telomeres fledged more chicks in the control group and tended to be more likely to return regardless of treatment. This study supports the hypothesis that somatic state can explain variation in short-term physiological and behavioural responses to challenges, and longer-term consequences for fitness. Male kittiwakes with longer telomeres appear to have prioritized investment in self over investment in offspring under challenging conditions.</p>
Lonati (2024) - Remote sensing to measure the physiology and foraging ecology of North Atlantic right whales in the Gulf of St. Lawrence, Canada
<h1>Supplementary Material A1.S4 Videos</h1> <h2>Selection of pixels and frames for evaluating intranasal heat</h2> <p>Video A1.S4.1. Time-aligned visible-spectrum (RGB) and infrared thermography (IRT) videos with plot of maximum corrected sensor intensity over time for a normal respiratory cycle from North Atlantic right whale (NARW) Catalog ID #4129 (aligns with Figure A1.S4.1).</p> <p><br>Video A1.S4.2. Time-aligned RGB and IRT videos with plot of maximum corrected sensor intensity over time for a normal respiratory cycle from NARW Catalog ID #3845 (aligns with Figure A1.S4.2).</p> <p><br>Video A1.S4.3. Time-aligned RGB and IRT videos with plot of maximum corrected sensor intensity over time for an anomalous respiratory cycle from NARW Catalog ID #4129, where the exhaled respiratory vapor lingers over the blowholes, obscuring and reducing intranasal heat received by the IRT sensor.</p> <p><br>Video A1.S4.4. Time-aligned RGB and IRT videos with plot of maximum corrected sensor intensity over time for an anomalous respiratory cycle from NARW Catalog ID #3845, where exhaled respiratory vapor and a small wave obscure and reduce intranasal heat received by the IRT sensor.</p> <p><br>Video A1.S4.5. Time-aligned RGB and IRT videos with plot of maximum corrected sensor intensity over time for an anomalous respiratory cycle from the 2021 calf of NARW Catalog ID #4040, where the exhaled respiratory vapor lingers over the blowholes and a non-uniformity correction occurs mid-way through the respiration.</p> <h3><em>G. Lonati - PhD Thesis - University of New Brunswick Saint John</em></h3>
Data from: Evolution of codfishes (Teleostei: Gadinae) in geographical and ecological space: evidence that physiological limits drove diversification of subarctic fishes
Aim: To develop a holistic biogeographical history of codfishes in the subfamily Gadinae based on historical relationships, ecological niche, and evolution of physiological tolerances. Two alternative diversification scenarios were tested in two co-distributed, Northern Hemisphere clades: (1) clade ancestors were temperate, and environmental niche has been conserved over evolutionary time, implying that speciation was driven by vicariance associated with ice sheet formation; and (2) clade ancestors were Arctic, and species convergently adapted to temperate environmental conditions, implying that speciation was driven by repeated adaption to temperate environments. Location: Northern Hemisphere Arctic and subarctic oceans. Methods: Fifty-five new sequences of four genes from 23 tissue samples were combined with 10 GenBank sequences to generate a time-calibrated phylogenetic hypothesis. Combining the phylogeny with information on species' ecological niche tolerances inferred from correlational models, I reconstructed ancestral environmental tolerances of each of the focal clades. These results were combined with Bayesian area-based biogeographical analysis and regional palaeoclimatic history to develop a holistic biogeographical history of Gadinae. Results: Of 18 environmental variables describing species' tolerances to salinity, temperature, sea ice concentration, and mixed layer depth, only mean, maximum and minimum sea bottom temperature, and mean and minimum sea surface temperature showed phylogenetic signal across Gadinae. Both ecological niche and geographical distributions of gadine fishes are largely conservative, but two clades contain both Pacific and Atlantic species. Focal clade divergence time estimates suggest a Pliocene origin for both, with further Pleistocene divergence. Main conclusions: Reconstructed ancestral environmental tolerances of crown cods and tomcods support a temperate origin of both groups. The timing of diversification of these two clades and the intolerance of temperate species to sea ice suggest that cyclical Arctic ice formation drove divergence. Future sea ice reduction may have dramatic consequences for distributions and persistence of commercially important species when currently allopatric temperate species come into secondary contact.
FIGURE 6 in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 6. Results of a discriminant analysis on morphometric measurements of male individuals of Anotosaura collaris (blue circles), A. vanzolinia (green circles), Colobosauroides cearensis (orange diamonds) and Dryadosaura nordestina (red squares). Group centroids are represented by a black dot. In parenthesis is the amount of original variation explained by each axis.
FIGURE 3 in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 3. Individuals of (A) Anotosaura collaris adult, and (B) juvenile, and its congener Anotosaura vanzolinia (C), in life.
FIGURE 4 in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 4. Sulcate, lateral and asulcate faces of the left hemipenis of (A) Anotosaura collaris (MZUSP 103845) and (B) A. vanzolinia (MZUSP 95328). Scale bars = 1mm.
FIGURE 1 in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 1. Lateral (A), ventral (B) and dorsal (C) views of the head, and (D) of the entire body, in ventral (above) and dorsal (below) views of the holotype of Anotosaura collaris (MZUSP 788). Scale bar = 1mm.
FIGURE 8. Phylogenetic relationships recovered through a in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 8. Phylogenetic relationships recovered through a Bayesian (BA) and Maximum Likelihood (ML) analysis of Anotosaura collaris based on mitochondrial (12S, 16S and ND4) and nuclear genes (C-mos and 18S). The value for posterior probabilities (BA), and bootstrap (ML) are show on branches, respectively.
FIGURE 10 in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 10. Comparison of environmental temperatures at microhabitats used by Anotosaura collaris with its critical thermal limits. CTmax (red) and CTmin (blue) are species means. Dots around the boxplots represent outliers. Whiskers end at the 5th (below) and and the 95th (above) percentiles. Horizontal lines within the box plot represent the 25th, 50th and 75 quartiles. Temperatures measured in December 2012.
FIGURE 2 in Rediscovery of the Earless Microteiid Lizard Anotosaura collaris Amaral, 1933 (Squamata: Gymnophthalmidae): A redescription complemented by osteological, hemipenial, molecular, karyological, physiological and ecological data
FIGURE 2. Lateral (A), ventral (B) and dorsal (C) views of the head, ventral views of right hand (D) and foot (E), and the cloacal region (F) of Anotosaura collaris (MZUSP 103832). Scale bars = 1 mm.
Data from: The utility of climatic water balance for ecological inference depends on vegetation physiology assumptions
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Data from: Social and ecological factors alter stress physiology of Virunga mountain gorillas (Gorilla beringei beringei)
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Data from: Physiological, morphological, and ecological tradeoffs influence vertical habitat use of deep-diving toothed-whales in the Bahamas
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Data from: Evolution of codfishes (Teleostei: Gadinae) in geographical and ecological space: evidence that physiological limits drove diversification of subarctic fishes
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Data from: Parallelism in the oxygen transport system of the lake whitefish: the role of physiological divergence in ecological speciation
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Data from: Innovative consumers: ecological, behavioral and physiological predictors of responses to novel food
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Elevational niche-shift migration: Why the degree of elevational change matters for the ecology, evolution, and physiology of migratory birds
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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
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.