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223 results for “adaptive selection”
Temporal variation in selection influences microgeographic local adaptation
<p>Ecological heterogeneity can lead to local adaptation when populations exhibit fitness trade-offs among habitats. However, the degree to which local adaptation is affected by the spatial and temporal scale of environmental variation is poorly understood. A multi-year reciprocal transplant experiment was performed with populations of the annual plant <em>Leptosiphon parviflorus</em> living on adjacent serpentine and non-serpentine soil. Local adaptation over this small geographic scale was observed, but there were differences in the temporal variability of selection across habitats. On serpentine soil, the local population had a consistently large survival advantage, presumably due to the temporal stability in selection imposed by soil cation content. In contrast, a fecundity advantage was observed for the sandstone population on its native soil type, but only in the two years of study with the highest rainfall. A manipulative greenhouse experiment demonstrated that the fitness advantage of the sandstone population in its native soil type depends critically on water availability. The temporal variability in local adaptation driven by variation in precipitation suggests that continued drought conditions have the potential to erode local adaptation in these populations. These results show how different selective factors can influence spatial and temporal patterns of variation in fitness trade-offs.</p>
Data from: Functional Frogs: Using swimming performance as a model to understand natural selection and adaptations
<p>The 'Functional Frogs' 5E lesson plan is an outcome of a Research Experience for Teachers (RET) program funded by the National Science Foundation (NSF). The NSF project integrates research on swimming locomotion in frogs with broader goals of improving science education. The aim of this RET program was to increase scientific literacy in secondary school teachers in Oklahoma, so that they can transfer knowledge from academic research experience to the classroom and thus improve their students' understanding of science. In the this lesson, we focus primarily on comparing the peak velocity of five species of frogs, guiding students to collect data from videos of frogs swimming. The students then make evidence-based interpretations about the morphological traits that may underlie differences in swimming velocity across species. The five species differ both in morphology and ecology, with some inhabiting the aquatic environment more than others. Therefore, the lesson helps guide students through important steps of the scientific method to achieve a greater understanding of how adaptations arise in nature through examining variation in ecology, morphology, and locomotor performance.</p>
Data from: Climate change shifts natural selection and the adaptive potential of the perennial forb Boechera stricta in the Rocky Mountains
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Data from: Signs of local adaptation by genetic selection and isolation promoted by extreme temperature and salinity in the Mediterranean seagrass Posidonia oceanica
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Feature selective adaptation of numerosity perception
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Data from: Biogeography of shell morphology in over-exploited shellfish reveals adaptive tradeoffs on human-inhabited islands and incipient selectively driven lineage bifurcation
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Temporal variation in selection influences microgeographic local adaptation
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Data from: Adaptive divergence in flowering time among natural populations of Arabidopsis thaliana: estimates of selection and QTL mapping
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Data from: Functional Frogs: Using swimming performance as a model to understand natural selection and adaptations
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Data from: Male-male competition causes parasite-mediated sexual selection for local adaptation
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Phenotypic data for: Does size-selective harvesting erode adaptive potential to thermal stress?
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Fitness consequences of biochemical adaptation in Drosophila melanogaster populations under simultaneous selection for faster pre-adult development and extended life-span
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Data from: A multi-dimensional selective landscape drives adaptive divergence between and within closely related Phlox species
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Phenotypic, fitness and environmental data in support of the publication: selection favors adaptive plasticity in a long-term reciprocal transplant experiment
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Stay in shape: assessing the adaptive potential of shell morphology and its sensitivity to temperature in the invasive New Zealand Mud Snail Potamopyrgus antipodarum through phenotypic plasticity and natural selection in Europe
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Stabilizing selection on a plumage-based foraging adaptation: hooded warblers with average-sized white tail spots live longer
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The genetic architecture of temperature adaptation is shaped by population ancestry and not by selection regime
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Data from: Experimental evidence for accelerated adaptation to desiccation through sexual selection on males
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Sexual selection buffers the negative consequences of population fragmentation on adaptive plastic responses to increasing temperatures
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Data from: Can conflicting selection from pollinators and nectar-robbing antagonists drive adaptive pollen limitation? A conceptual model and empirical test
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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.