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117 results for “spatial niche”
The relationships of plant species occupancy to niches and traits vary with spatial scale
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Data from: Specialization and niche overlap across spatial scales: revealing ecological factors shaping species richness and coexistence in Australian songbirds
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Data from: The effects of spatial scale and isoscape on consumer isotopic niche width
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Data from: The effect of range overlap on ecological niche divergence depends on spatial scale in monkeyflowers
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Data from: Functional traits and environmental conditions predict community isotopic niches and energy pathways across spatial scales
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Data from: Expanded consumer niche widths may signal an early response to spatial protection
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Data from: Unraveling the interplay of community assembly processes acting on multiple niche axes across spatial scales
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Data from: Spatial and ecological population genetic structures within two island-endemic Aeonium species of different niche width
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Data from: Climate-niche factor analysis: a spatial approach to quantifying species vulnerability to climate change
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Data from: Non-random latitudinal gradients in range size and niche breadth predicted by spatial patterns of climate
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Data from: Complementarity in spatial subsidies of carbon associated with resource partitioning along multiple niche axes
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The diversification and evolution of niche breadth across spatial scales in western North American monkeyflowers
<p><span>Species show remarkable variation in ecological niche breadth, but the directionality of niche breadth evolution remains a question for niche axes across spatial scales. Testing the association between niche breadth evolution and the process of diversification could shed light on the role of ecology in the formation and maintenance of biodiversity. Here we applied Cladogenetic State change Speciation and Extinction models in western North American monkeyflowers (</span><em>Mimulus</em><span> sensu lato), with two states of niche breadth (generalist and specialist). We aimed to estimate the effects of niche breadth along broad-scale bioclimatic and local-scale microhabitat axes on diversification rate, and the evolutionary trend and mode of niche breadth. We found opposite patterns across spatial scales, with higher speciation rates detected for generalists along broad-scale bioclimatic axes and for specialists along local-scale microhabitat axes. Furthermore, we found weak trends towards specialization for bioclimatic niche breadth, but generalization for microhabitat niche breadth. Both cladogenetic and anagenetic changes were comparable and thus important in the evolution of niche breadth in this group. Together, these findings suggest that the underlying mechanisms of niche breadth evolution might differ across spatial scales, and that change in niche breadth could be tightly associated with the diversification process.</span></p>
Niche differentiation within a cryptic pathogen complex: climatic drivers and hyperparasitism at multiple spatial scales
<p><span>Pathogens are embedded in multi-trophic food webs, which often include co-occurring cryptic species within the same pathogen complex. Nonetheless, we still lack an understanding of what dimensions of the ecological niche might allow these cryptic species to coexist. We explored the role of climate, host characteristics (tree autumn phenology) and attack by the fungal hyperparasite <em>Ampelomyces</em> (a group of fungi attacking plant pathogens) in defining the niches of three powdery mildew species (<em>Erysiphe alphitoides</em>, <em>E. hypophylla</em> and<em> E. quercicola</em>) within a cryptic pathogen complex on the pedunculate oak Quercus robur at the continental (Europe), national (Sweden and France) and landscape scales (a 5 km2 island in southwestern Finland). Previous studies have shown that climate separated the niches of three powdery mildew species (<em>E. alphitoides</em>, <em>E. hypophylla </em>and <em>E. quercicola</em>) in Europe and two species (<em>E. alphitoides </em>and <em>E. quercicola</em>) in France. In our study, we did not detect a significant relationship between temperature or precipitation and the distribution of <em>E. alphitoides </em>and <em>E. hypophylla</em> present in Sweden, while at the landscape scale, temperature, but not relative humidity, negatively affected disease incidence of <em>E. alphitoides</em> in an exceptionally warm year. Tree variation in autumn phenology did not influence disease incidence of powdery mildew species, and hyperparasite presence did not differ among powdery mildew species at the continental, national and landscape scale. Climate did not affect the distribution of the hyperparasite at the continental scale and at the national scale in Sweden. However, climate affected the hyperparasite distribution in France, with a negative relationship between non-growing season temperature and presence of the hyperparasite. Overall, our findings, in combination with earlier evidence, suggest that climatic factors are more important than species interactions in defining the niches of cryptic species within a pathogen complex on oak. </span></p>
Figure 2 in Spatial distribution and dietary niche breadth of the leopard Panthera pardus (Carnivora: Felidae) in the northeastern Himalayan region of Pakistan
Figure 2. Map showing locations of study sites where abundance of prey species was recorded in and around Pir Lasura National Park, Azad Jammu and Kashmir, Pakistan.
Impacts of climate-driven changes in habitat phenology on dynamics of niche overlaps and spatial associations in a boreal waterbird community
<p>A fundamental, yet little explored question is if climate change has affected niche relationships and spatial associations of native non-invasive species in established local communities, potentially affecting interspecific interactions and community organization. Here, long-term (1991–2020) changes in habitat niche overlaps (HNO) and spatial associations (SA) were studied in relation to climate-driven changes in habitat phenology in a community of eight migratory waterbird species breeding on 37 lakes in southeastern Finland.</p> <p>Overall timing of ice-out (IOD) and within-season variation in the timing of ice-out (standard deviation of IOD; SDIOD) in lakes determine habitat availability for waterbirds during the settling phase. Previous work has documented that IOD has advanced and SDIOD increased during the study period, with species responding differently to these changes in their habitat use.</p> <p>HNO and SA varied considerably in the 28 species pairs during the study period. The effect of IOD and SDIOD on that variation was generally small. However, the direction and magnitude of the effects of IOD and SDIOD on HNO and SA varied considerably among the species pairs. Overall differences in the direction and magnitude of the effect sizes suggested that the impacts of IOD and SDIOD on HNO and SA were stronger in species pairs in which the species were more similar in terms of settling phenology and stronger for early settling species than for late settling species. Observed changes in niche relationships probably reflect changes in interspecific interactions and affect the possibilities for heterospecific information use in habitat selection. </p>
Niche differentiation within a cryptic pathogen complex: climatic drivers and hyperparasitism at multiple spatial scales
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The diversification and evolution of niche breadth across spatial scales in western North American monkeyflowers
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Data from: Positive plant-soil feedbacks trigger tannin evolution by niche construction: a spatial stoichiometric model
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Impacts of climate-driven changes in habitat phenology on dynamics of niche overlaps and spatial associations in a boreal waterbird community
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Spatial localization with Spatial Transcriptomics for an atlas of healthy and injured cell states and niches in the human kidney [Visium ST]
GEO Series GSE183456. Homo sapiens. 23 samples. Type: Expression profiling by high throughput sequencing.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.