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93 results for “ecological gradient”
Abundance variations within feeding guilds reveal ecological mechanisms behind avian species richness pattern along the elevational gradient of Mount Cameroon
<p><span>Two distinct diversity patterns are observed along tropical elevations: (a) decreasing number of species towards high elevations and (b) a hump-shaped pattern with the peak at mid-elevations. As diversity is likely supported by ecological capacity of the environment, decomposition of the overall richness into ecological facets and considering number of individuals within them is crucial for the proper understanding of richness patterns. We examined abundances of different avian guilds along the forested part of the elevational gradient on Mt. Cameroon. We (a) compared richness and abundance elevational patterns, (b) assessed the effective contribution of multiple guilds to richness and abundance patterns, and (b) assessed to which extent observed abundances of guilds differ from those expected by chance. We sampled birds in 2011–2015 during the dry season at seven elevations (30 m, 350 m, 650 m, 1100 m, 1500 m, 1850 m, 2200 m a.s.l.). For each assemblage, we estimated proportions of species and individuals that use particular diets, foraging modes, and feeding strata. We found that a rather decreasing pattern of species richness turns into a hump-shaped one if we look at the total abundances, implying different mechanisms behind these patterns. The number of species and individuals thus do not seem to be directly related, contrary to 'the more-individuals hypothesis'. Abundances of foliage gleaners at mid-elevations, nectarivores at high elevations, and frugivores at low elevations deviated from random expectations. Our results suggest that parts of ecological space are filled partly separately by bird species and individuals along elevation of Mt. Cameroon.</span></p>
Data from: Phenotypic, ecological and genomic variation in common bully (Gobiomorphus cotidianus) populations along depth gradients in New Zealand's Southern Great Lakes
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Data from: Genetic signatures of ecological diversity along an urbanization gradient
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Data from: Ecological and evolutionary drivers of the elevational gradient of diversity
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Data from: Multiple facets of stream macroinvertebrate alpha diversity are driven by different ecological factors across an extensive altitudinal gradient
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Data from: Quantifying the effects of ecological constraints on trait expression using novel trait-gradient analysis parameters
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Data from: Extremophile Poeciliidae: multivariate insights into the complexity of speciation along replicated ecological gradients
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Data from: Small-mammal isotope ecology tracks climate and vegetation gradients across western North America
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Data from: Latitudinal gradients in the ecology of New World bats
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Data from: Ecological gradients driving the distribution of four Ericaceae in boreal Quebec, Canada
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Data from: Ecological gradients drive insect wing loss and speciation: the role of the alpine treeline
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Testing small scale ecological gradients and intraspecific differentiation for hundreds of kelp forest species using haplotypes from metabarcoding
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Data from: Functional traits reveal the expansion and packing of ecological niche space underlying an elevational diversity gradient in passerine birds
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Data from: Plantago spp. as models for studying the ecology and evolution of species interactions across environmental gradients
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Data from: Ecological drivers of avian community assembly along a tropical elevation gradient
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Data from: Causes of ecological gradients in leaf margin entirety: Evaluating the roles of biomechanics, hydraulics, vein geometry, and bud packing
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Data from: Testing alternative hypotheses for evolutionary diversification in an African songbird: rainforest refugia versus ecological gradients
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Ecological limits as the driver of bird species richness patterns along the east Himalayan elevational gradient
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Data from: Ecological determinants of mating system within and between three Fagus sylvatica populations along an elevational gradient
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Assessing the Ecological Impacts of Biomass Harvesting along a Disturbance Severity Gradient
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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.