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96 results for “human disturbance”
Data from: Parental habituation to human disturbance over time reduces fear of humans in coyote offspring
A fundamental tenet of maternal effects assumes that maternal variance over time should have discordant consequences for offspring traits across litters. Yet, seldom are parents observed across multiple reproductive bouts, with few studies considering anthropogenic disturbances as an ecological driver of maternal effects. We observed captive coyote (Canis latrans) pairs over two successive litters to determine whether among-litter differences in behavior (i.e., risk-taking) and hormones (i.e., cortisol and testosterone) corresponded with parental plasticity in habituation. Thus, we explicitly test the hypothesis that accumulating experiences of anthropogenic disturbance reduces parental fear across reproductive bouts, which should have disparate phenotypic consequences for first- and second-litter offspring. To quantify risk-taking behavior, we used foraging assays from 5–15 weeks of age with a human observer present as a proxy for human disturbance. At 5, 10, and 15 weeks of age, we collected shaved hair to quantify pup hormone levels. We then used a quantitative genetic approach to estimate heritability, repeatability, and between-trait correlations. We found that parents were riskier (i.e., foraged more frequently) with their second versus first litters, supporting our prediction that parents become increasingly habituated over time. Second-litter pups were also less risk-averse than their first-litter siblings. Heritability for all traits did not differ from zero (0.001-0.018); however, we found moderate support for repeatability in all observed traits (r = 0.085-0.421). Lastly, we found evidence of positive phenotypic and cohort correlations among pup traits, implying that cohort identity (i.e., common environment) contributes to the development of phenotypic syndromes in coyote pups. Our results suggest that parental habituation may be an ecological cue for offspring to reduce their fear response, thus emphasizing the role of parental plasticity in shaping their pups' behavioral and hormonal responses toward humans.
Data from: Precipitation mediates the effect of human disturbance on the Brazilian Caatinga vegetation
Seasonally dry tropical forests (SDTFs) are one of the most threatened forests worldwide. These species-rich forests not only cope with several acute (e.g. forest loss) and chronic (e.g. overgrazing and firewood extraction) human disturbances, but also with climate change (e.g. longer and more severe droughts); yet, the isolated and combined effects of climate and acute and chronic human disturbances on SDTF vegetation are poorly known. Given the environmental filter imposed by drought in SDTFs, the composition and structure of vegetation is expected to be strongly associated with annual precipitation, and thus the effects of human disturbances on vegetation may also depend on precipitation (i.e. interacting effect). We tested these hypotheses in the Brazilian Caatinga – a SDTF threatened by climate change and human disturbances. We evaluated the isolated and combined (both additive and multiplicative) effect of precipitation, a chronic disturbance index and acute disturbance (landscape forest cover) on the diversity, stem density, evenness, taxonomic composition and aboveground biomass of adult trees and shrubs across 19 0.1-ha plots distributed along a disturbance and precipitation gradients. We recorded 5541 stems from 129 species. Precipitation showed a stronger (positive) effect on species diversity than acute and chronic disturbances and, as expected, the effect of disturbance depended on precipitation (interacting effect): i.e. species diversity (especially the number of rare species) was negatively related to forest loss but positively related to chronic disturbance in wetter sites, whereas in drier sites, species diversity was weakly related to forest cover, but strongly and negatively related to chronic disturbance. Contrary to species diversity, community evenness, stem density and biomass were weakly related to all predictors. Synthesis. Precipitation appears to be a strong environmental filter determining the distribution of water-demanding plant species. Chronic disturbance in wetter (high-productive) forests may favour species diversity by increasing ecosystem heterogeneity (intermediate disturbance hypothesis). Yet, the biodiversity costs of chronic disturbance are higher in drier (low-productive) forests; i.e. there is a co-limitation imposed by drought and disturbance in drier forests. Overall, our findings indicate that rapid climatic changes in the region will probably have strong negative effects on this SDTF.
Millennial-scale change in Caribbean coral reef ecosystem structure and the role of human and natural disturbance
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Predictive multi-scale occupancy models at range-wide extents: effects of habitat and human disturbance on distributions of wetland birds
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Data from: Stay or fly away? Impact of human disturbance on shorebird individuals and populations
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Burrowing behavior and burrowing energetics of a bioindicator under human disturbance
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Data from: Precipitation mediates the effect of human disturbance on the Brazilian Caatinga vegetation
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Data from: Human disturbance promotes herbivory by leaf-cutting ants in the Caatinga dry forest
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Data from: Leaf meristems: an easily ignored component of the response to human disturbance in alpine grasslands
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Data from: Experimental evidence of human recreational disturbance effects on bird-territory establishment
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Data from: Parental habituation to human disturbance over time reduces fear of humans in coyote offspring
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TOP2B disturbed the quality of human oocytes with advanced maternal age
GEO Series GSE125300. Homo sapiens. 6 samples. Type: Expression profiling by high throughput sequencing.
Analysis of Effect of human disturbance on the spread of a high-Arctic species
<p><span>This repository contains the input data (data_in) and the scripts (scripts) used in the study “Effect of human disturbance on the spread of a high-Arctic species”.</span></p> <p><span>Input data includes:</span></p> <ul> <li><span>“NP_S100_SHP/ S100_Vann_f.shp”: the shape file of Svalbard lake bodies; original at: Norwegian Polar Institute (2014). Kartdata Svalbard 1:100 000 (S100 Kartdata) / Map Data [Data set]. Norwegian Polar Institute. <a href="https://doi.org/10.21334/npolar.2014.645336c7">https://doi.org/10.21334/npolar.2014.645336c7</a> </span></li> <li><span>“DEMfull.tif”: Digital Elevation Map of Svalbard provided by the Norwegian Polar institute; original at: </span>Norwegian Polar Institute (2014). Terrengmodell Svalbard (S0 Terrengmodell) [Data set]. Norwegian Polar Institute. <a href="https://doi.org/10.21334/npolar.2014.dce53a47">https://doi.org/10.21334/npolar.2014.dce53a47</a></li> <li>“KappLinne_allTrails.kml KappLinne_allTrails.kml”: KML file of trails in the research area generated with Google Earth Pro;</li> <li><span>“Papaver_dalianum_2023survey.csv”: observed presence of <em>Papaver dahlianum</em> in the 2023 survey, with original GPS measurement point, distance from the closest reference point (pole), coordinates in the original CRS (epsg:25833, WG84 UTM33; lon, lat), coordinates in decimal degrees, and species abundance at each point;</span></li> <li><span>“Papaver_dalianum_historicalPresence.csv”: observed historical presence of <em>Papaver dahlianum</em> in the larger research area, with name of the collector (observer), year of observation, coordinates in DMS (degrees, minutes, seconds), decimal degrees, and Svalbard CRS (epsg:25833, WG84 UTM33);</span></li> <li><span>“Poppy_img.png”: p</span>hoto of <em>Papaver dahlianum</em> specimen taken during the 2023 survey (dd lat: 78.059; dd lon: 13.627)<span>;</span></li> <li><span>“trail_idx_df.csv”: index position of the surveyed trail with reference to the UAV image;</span></li> <li><span>“UAV_full.tif” and “UAV_full_10cm.tif”: 5 cm resolution aerial image generated during the 2023 trail survey with an unmanned aerial vehicle (UAV), and re-scaled image at 10 cm resolution used in the analysis of terrain preference.</span></li> </ul> <p><span>Scripts used to analyse the data include:</span></p> <ul> <li><span>“GBIF_GLM_analysis.R”: R script to gather GBFI presences of <em>Papaver dahlianum</em>, plot research area with historical and contemporary (survey 2023) presence of <em>P. dahlianum</em>, and perform GLM analysis to investigate the relationship between the density of <em>P. dahlianum</em> and potential predictors of human disturbance (e.g. distance from the station, distance to the closest trail);</span></li> <li><span>“Supplement, Effect of human disturbance on the spread of the Svalbard Poppy.ipynb”: Python script (and compiled .pdf) to perform the main statistical analysis of the study, fit the establishment kernels, model the spread of <em>P. dahlianum</em> under two dispersal scenarios, and perform the UAV analysis of terrain preference.</span></li> </ul>
The Effect of Auditory Disturbances on Human Movement
ClinicalTrials.gov study NCT04227496. IPD Sharing: NO. Countries: 1. Publications: 0.
Influence of human disturbance on marine invertebrate biodiversity in Acadia National Park’s rocky intertidal community
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Disturbance of gene expression in primary human hepatocytes by hepatotoxic pyrrolizidine alkaloids: a whole genome transcriptome analysis
GEO Series GSE69269. Homo sapiens. 15 samples. Type: Expression profiling by array.
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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)
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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.