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546 results for “coexistence”
FIGURE 1 in Coexistence of two newt species in a transition zone of range overlap
FIGURE 1 Land use map of the study area in the western part of the department Pas de Calais in the northwest of France (see insert), after Curado et al. (2011) and Arntzen et al. (2017). The small-bodied newt species Lissotriton helveticus and L. vulgaris are frequently syntopic (for data see table 1), but have different strongholds in and outside the 'Dunes de la Slack' and the bomb crater areas, respectively. The partial spatial separation is illustrated by dotted contour lines where L. vulgaris is at 60% (red dots), 50% (purple dots) or 40% (blue dots) of the Lissotriton total. Note the position of the study pond at the species transition.
FIGURE 2 in Coexistence of two newt species in a transition zone of range overlap
FIGURE 2 Dynamics of the adult newt breeding populations in the study pond, with percentage values over the 1975–2021 period for Ichthyosaura alpestris (black), Lissotroton helveticus (blue) and L. vulgaris (red), with open dots for samples and solid dots for population size estimates (see also tables 2 and 3). Years without observations are marked by open rectangles. The asterisk indicates a hypothetical frequency, on the assumption that the L. helveticus cohort that in March 1986 fell prone to a late freezing event (details see text) would have made it to the breeding population.
Mean species responses predict effects of environmental change on coexistence
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Data from: Individual energetics scale up to community coexistence: Movement, metabolism and biodiversity dynamics in fragmented landscapes
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The evolution of size-dependent competitive interactions promotes species coexistence
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Hybridization and the coexistence of species: HZAM-Sym code and data files
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Ericoid mycorrhizal fungal metacommunity facilitates closely related Rhododendron species coexistence
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Life history strategies complement niche partitioning to support the coexistence of closely related Gilliamella species in the bee gut
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Data from: Coevolution promotes the coexistence of Tasmanian devils and a fatal, transmissible cancer
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Recovered frog populations coexist with endemic Batrachochytrium dendrobatidis despite load-dependent mortality
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Predator discrimination of prey promotes the predator-mediated coexistence of prey species
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Data for: Does the evolution of ontogenetic niche shifts favor species coexistence? An empirical test in Trinidadian streams
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The distribution of plant consumption traits across habitat types and the patterns of fruit availability suggest a mechanism of coexistence of two sympatric frugivorous mammals
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Mechanisms of coexistence: Exploring species sorting and character displacement in woody plants to alleviate belowground competition
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Broad-scale patterns of geographic avoidance between species emerge in the absence of fine-scale mechanisms of coexistence
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Data from: Variation in season length and development time is sufficient to drive the emergence and coexistence of social and solitary behavioral strategies
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Mycorrhizal types regulate tree spatial associations in temperate forests: ectomycorrhizal trees might favor species coexistence
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Thermal tolerance in Drosophila: repercussions for distribution, community coexistence and responses to climate change
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Coexistence of two species of bracken (Pteridium) in Peninsular Florida
Congeneric species with distinct ranges often occupy similar niches, but if they are ecologically identical, their coexistence in the overlap between their ranges is considered unstable. We investigated two species in the cosmopolitan genus of bracken ferns, Pteridium caudatum and Pteridium aquilinum ssp. pseudocaudatum, in their zone of range overlap in Peninsular Florida to test for niche differentiation in their microhabitat preferences. We surveyed bracken populations from seven sites at Archbold Biological Station (Venus, Florida, USA) and characterized elements of their growth metrics (density, biomass) and microhabitat preferences (canopy cover, ground cover, fire frequency, soil moisture content, distance to nearest road). Data was collected from December 2022 to March 2023.
Trade-offs between seed size and biotic interactions contribute to coexistence of co-occurring species that vary in fecundity
<p>Despite theoretical advances, the ecological factors and functional traits that enable species varying in seed size and fecundity to coexist remain unclear. Given inherent fecundity advantages, why don't small-seeded species dominate communities?</p> <p>In perennial grasslands, we evaluated whether small-seeded species are less tolerant of competition from the community dominant bunchgrass than large-seeded species but also less vulnerable to seed predation by mice. We also explored whether trade-offs involving competitive tolerance include two other functional traits, height and leaf mass per area (LMA). We added seeds of 17 forb species to plots where bunchgrass competition and rodent seed predation were manipulated across sites varying in bunchgrass productivity and thus competitive intensity. Seeds were added at densities mimicking interspecific variation in fecundity among target species.</p> <p>Standardizing for differences in fecundity (i.e. seed input; which enabled us to evaluate inherent interspecific differences in susceptibility to biotic interactions), bunchgrass competition more greatly reduced recruitment and establishment of small vs. large-seeded species, whereas rodent seed predation more greatly reduced the recruitment of large- versus small-seeded species. Plant height and LMA were unrelated to the competition effect size.</p> <p>Small-seeded species abundance decreased across sites increasing in bunchgrass productivity, whereas this was not the case for large-seeded species. For adult plants but not seedlings, community weighted functional trait means (CWM) for seed size, height, and LMA increased in plots with versus without bunchgrass competition and the CWM for seed size and height also increased at sites with greater bunchgrass productivity (for adults only). In contrast, rodent seed predation had no significant effects on CWM seed size.</p> <p>At the end of the experiment, adult abundance positively correlated with plant fecundity in plots lacking bunchgrass, indicating the inherent advantages accrued to high fecundity small-seeded species. However, with bunchgrass competition, abundances were equalized across species due to reduced competitive tolerance of high fecundity small-seeded species.</p> <p>Synthesis: Our results suggest that coexistence among subordinate forb species varying in seed size and fecundity is in-part due to a trade-off involving competitive tolerance and fecundity, mediated by seed size and associated functional traits.</p>
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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.