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18 results for “mechanical disturbance”
Data from: Mechanical soil disturbance in a pine savanna has multi-year effects on plant species composition
<p>Data used in the manuscript Mechanical soil disturbance in a pine savanna has multi-year effects on plant species composition accepted for publication in Ecosphere. Data included are species lists for all plots and years, percent cover of species in each plot in 2021, and life-history characteristics (life span, dispersal mechanism, seed bank persistence) of all species. See manuscript for site description and data collection methodology. </p>
Mechanisms of unbalanced sediment transport linked to anthropogenic disturbance in world's largest tidal power plant
<p>Analysis_code.zip and Mooring_toolbox.zip contain matlab m-files. The code was designed to analysis the changes from the mooring data.</p> <p>Data.zip contains a mooring observation data in Lake Sihwa. The velocity profiles and backscatter intensities were measured with a downward-looking acoustic Doppler current profiler (ADCP) (RDI, 600 kHz WorkHorse Sentinel). The mooring system was designed to measure the near-bed temperature, salinity, and turbidity using conductivity-temperature-depth (CTD) sensors (RBR, XR-420, and Concerto) and an optical backscatter sensor (OBS) (Seapoint Turbidity Meter).</p> <p>Waterlevel.zip has water level data in the ocean and Lake Sihwa.</p> <p> </p> <p> </p>
Disentangling the mechanisms underpinning disturbance-mediated invasion data
<p><span>Disturbances can play a major role in biological invasions: by destroying biomass, they alter habitat and resource abundances. Previous field studies suggest that disturbance-mediated invader success is a consequence of resource influxes, but the importance of other potential covarying causes, notably the opening up of habitats, have yet to be directly tested. Using experimental populations of the bacterium <i>Pseudomonas fluorescens </i>we determined the relative importance of disturbance-mediated habitat opening and resource influxes, plus any interaction between them, for invader success of two ecologically distinct morphotypes. Resource addition increased invasibility, while habitat opening had little impact or interacted with resource addition. Both invaders behaved similarly, despite occupying different ecological niches in the microcosms. Treatment also affected the composition of the resident population, which further affected invader success. Our results provide experimental support for the observation that resource input is a key mechanism through which disturbance increases invasibility. </span></p>
Density as a mechanism linking habitat disturbance to increased disease prevalence: evidence from a natural experiment
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Disentangling the mechanisms underpinning disturbance-mediated invasion data
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Data from: Mechanisms of trophic niche compression: evidence from landscape disturbance
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Data from: Disturbance alters beta-diversity but not the relative importance of community assembly mechanisms
1.Ecological disturbances are often hypothesized to alter community assembly processes that influence variation in community composition (β-diversity). Disturbance can cause convergence in community composition (low β-diversity) by increasing niche selection of disturbance-tolerant species. Alternatively, disturbance can cause divergence in community composition (high β-diversity) by increasing habitat filtering across environmental gradients. However, because disturbance may also influence β-diversity through random sampling effects owing to changes in the number of individuals in local communities (community size) or abundances in the regional species pool, observed patterns of β-diversity alone cannot be used to unambiguously discern the relative importance of community assembly mechanisms. 2.We compared β-diversity of woody plants and inferred assembly mechanisms among unburned forests and forests managed with prescribed fires in the Missouri Ozarks, USA. Using a null-model approach, we compared how environmental gradients influenced β-diversity after controlling for differences in local community size and regional species abundances between unburned and burned landscapes. 3.Observed β-diversity was higher in burned landscapes. However, this pattern disappeared or reversed after controlling for smaller community size in burned landscapes. 4.β-diversity was higher than expected by chance in both landscapes, indicating an important role for processes that create clumped species distributions. Moreover, fire appeared to decrease clumping of species at broader spatial scales, suggesting homogenization of community composition through niche selection of disturbance-tolerant species. Environmental variables, however, explained similar amounts of variation in β-diversity in both landscapes, suggesting that disturbance did not alter the relative importance of habitat filtering. 5.Our results indicate that contingent responses of communities to fire reflect a combination of fire-induced changes in local community size and scale-dependent effects of fire on species clumping across landscapes. 6.Synthesis. Although niche-based mechanisms of community assembly are often invoked to explain changes in community composition following disturbance, our results suggest that these changes also arise through random sampling effects owing to the influence of disturbance on community size. Comparative studies of these processes across disturbed ecosystems will provide important insights into the ecological conditions that determine when disturbance alters the interplay of deterministic and stochastic processes in natural and human-modified landscapes.
Mechanisms of early glucose regulation disturbance after out-of-hospital cardiopulmonary resuscitation: an explorative prospective study
<p>Laboratory results of "Mechanisms of early glucose regulation disturbance after out-of-hospital cardiopulmonary resuscitation: an explorative prospective study".</p>
Interoceptive Mechanisms of Body Image Disturbance in Anorexia Nervosa
ClinicalTrials.gov study NCT06332963. IPD Sharing: Not stated. Countries: 1. Publications: 72.
Data from: Disturbance alters beta-diversity but not the relative importance of community assembly mechanisms
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Sleep Disturbance,Physical and Mental Fatigue on Mechanical Neck Pain
ClinicalTrials.gov study NCT05994066. IPD Sharing: Not stated. Countries: 0. Publications: 2.
Pharmacotherapy and Mechanisms of Sleep Disturbance in Alcohol Dependence
ClinicalTrials.gov study NCT01014533. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: When anthropogenic-related disturbances overwhelm demographic persistence mechanisms
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Sleep Disturbance and Emotion Regulation Brain Dysfunction as Mechanisms of Neuropsychiatric Symptoms in Alzheimer's Dementia
ClinicalTrials.gov study NCT04100057. IPD Sharing: NO. Countries: 1. Publications: 0.
Mechanisms of Sleep Disturbance in Children With Generalized Anxiety Disorder (GAD)
ClinicalTrials.gov study NCT01032473. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Data from: Hybridization, species collapse, and species reemergence after disturbance to premating mechanisms of reproductive isolation
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Sleep Disturbance and Activation of Cellular and Transcriptional Mechanisms of Inflammation in Older Adults
GEO Series GSE208668. Homo sapiens. 42 samples. Type: Expression profiling by array.
Alterations in hepatic gene expression and DNA methylation as underlying mechanisms of disturbed metabolism in adult mouse offspring after exposure to a prenatal high fat diet
GEO Series GSE123009. Mus musculus. 32 samples. Type: Expression profiling by array.
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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.
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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.