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194 results for “Competitive effect”
Effects of intraspecific competition and body mass on diet specialisation in a mammalian scavenger
<p>1. Animals that rely extensively on scavenging rather than hunting must exploit resources that are inherently patchy, dangerous, or subject to competition. Though it may be expected that scavenging species should therefore form opportunistic feeding habits in order to survive, a broad population diet may mask specialisation occurring at an individual level.</p> <p>2. To test this, we used stable isotope analysis to analyse the degree of specialisation in the diet of the Tasmanian devil, one of few mammalian species to develop adaptations for scavenging.</p> <p>3. We found that the majority of individuals were dietary specialists, indicating that they fed within a narrow trophic niche despite their varied diet as a population.</p> <p>4. Even in competitive populations, only small individuals could be classified as true trophic generalists; larger animals in those populations were trophic specialists. In populations with reduced levels of competition, all individuals were capable of being trophic specialists.</p> <p>5. Heavier individuals showed a greater degree of trophic specialisation, suggesting either that mass is an important driver of diet choice or that trophic specialisation is an efficient foraging strategy allowing greater mass gain.</p> <p>6. Devils may be unique among scavenging mammals in the extent to which they can specialise their diets, having been released from the competitive pressure of larger carnivores.</p>
Effects of reduced precipitation and advanced spring phenology on intra- and interspecific competition between beech, oak and linden saplings
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Data from: Multiple facets of diversity effects on plant productivity: species richness, functional diversity, species identity and intraspecific competition
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Data from: The effects of competition on fitness depend on the sex of both competitors
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Data from: Contrasting per-gram competitive and soil resource effects in grasses and woody plants
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Data from: The role of temperature in affecting carry-over effects and larval competition in the globally invasive mosquito, Aedes albopictus
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Effects of community richness and competitive asymmetry on protozoa evolution in Sarracenia purpurea leaves
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Data from: Cascading effects of a top predator on intraspecific competition at intermediate and basal trophic levels
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Data from: Effects of condition and sperm competition risk on sperm allocation and storage in neriid flies
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Data from: Battle of the giants: Clonal expansion rates, effects on wetland plant communities, and competition between introduced <em>Phragmites australis australis</em> and native <em>Phragmites australis americanus</em>
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The effects of microplastics on crop variation depend on polymer types and their interactions with soil nutrient availability and weed competition
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Data from: Interactive effects of warming and competition do not limit the adaptive plastic response to drought in populations of a Mediterranean plant
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Data from: Including tree spatial extension in the evaluation of neighbourhood competition effects in Bornean rain forest
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Data from: Competitive ability of native and alien plants: effects of residence time and invasion status
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Data for: Light competition drives herbivore and nutrient effects on plant diversity
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Data from: Competition among native and invasive Phragmites australis populations: an experimental test of the effects of invasion status, genome size, and ploidy level.
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Data from: Quantifying neighbour effects on tree growth: are common “competition” indices biased?
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Stronger effect of individual species’ traits than shading on aquatic plant community productivity and interspecific competition
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Effects of intraspecific competition and body mass on diet specialisation in a mammalian scavenger
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Effects of competition and predation risk from a life history intraguild predator on individual specialisation
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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.