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18,658 results for “impacts”
Data products from "An 85-year record of glacier change and impacts on future projections for Kennicott and Root Glaciers, Alaska"
<p>DEMs, orthophotos, glacier outlines, historical velocity, model outputs, and ice-penetrating radar data from "An 85-year record of glacier change and impacts on future projections for Kennicott and Root Glaciers, Alaska". File structure is shown in the readme file.</p>
Replication Package for "Impact of ML Optimization Tactics on Greener Pre-Trained ML Models"
<p>This repository contains the replication package for the paper titled "Impact of ML Optimization Tactics on Greener Pre-Trained ML Models". The README file and accompanying scripts provide detailed instructions to facilitate the replication of the analysis.</p>
Impacts of dry deposition processes with resolved dust particle sizes on simulating the Martian Dust
Open the record for dataset details and reuse information.
Multi-level emission impacts under rapid electrification and uncertain coal power phase-out in China's netzero transition
<p>This contains the data and plotting script of the second preprint "Multi-level emission impacts under rapid electrification and uncertain coal power phase-out in China’s netzero transition"</p>
Survey material about the Perceived Impact of Maternity on Software Engineering
<p>The material used in the research performed to investigate the perceived impact of maternity on Software Engineering</p>
Code and data supporting coastal impacts at different temperature thresholds (Wong et al 2025)
<p>Code and data/results for final manuscript version.</p>
Marine heatwaves and bleaching impact on a photosynthetic symbiont-bearing nudibranch (Dataset)
Open the record for dataset details and reuse information.
Impact of Super Absorbent Polymer Treatment on Drying Process of Layered Soils
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Global impact of lightning-produced oxidants
<p>Lightning plays a major role in tropospheric oxidation, and its role on modulating tropospheric chemistry was thought to be emissions of nitrogen oxides (NO<sub>x</sub>). Recent field and laboratory measurements demonstrate that lightning generates extremely large amounts of oxidants, including hydrogen oxides (HO<sub>x</sub>) and O<sub>3</sub>. We here implement the lightning-produced oxidants in a global chemical transport model to examine its global impact on tropospheric composition. We find that lightning-produced oxidants can increase global mass weighted OH by 0.3-10%, and affect CO, O<sub>3</sub>, and reactive nitrogen substantially, depending on the emission strength of oxidants from lightning. Our work highlights the importance and uncertainties of lightning-produced oxidants, as well as the need for rethinking the role of lightning in tropospheric oxidation chemistry.</p>
An experimental test of the impact of avian diversity on attentional benefits and enjoyment of people experiencing urban green-space
<p>Biodiversity may play a key role in generating the well-being benefits of visiting green-spaces.</p> <p>The ability of people to accurately perceive variation in biodiversity is, however, unclear and evidence supporting links between biodiversity exposure and well-being outcomes remains equivocal. In part, this is due to the paucity of controlled experimental studies that deal adequately with confounding factors that covary with biodiversity.</p> <p>Attention restoration theory (ART) proposes that natural environments contain many softly fascinating stimuli that provide visitors with a sense of separation from their normal settings and routines, switching off direct attention and allowing recovery from attention fatigue. Increased biodiversity could increase these stimuli, and ART therefore potentially provides a mediating effect linking biodiversity to well-being.</p> <p>Here, we conduct a controlled experiment in which participants virtually experience urban green-space containing high and low levels of avian biodiversity (altered by manipulating bird song).</p> <p>Respondents accurately identified the contrast in biodiversity and reported greater enjoyment of the high biodiversity treatment than the low diversity control. Higher biodiversity did not, however, elicit greater self-reported stimulation or restoration, and did not increase perceived restorativeness scores or attentional capacity (quantified using the Digit Span Backwards attention test).</p> <p>Respondents that were more connected to nature, however, had greater attentional capacity following exposure to green-space.</p> <p>Our study provides rare experimental evidence that people can accurately detect variation in biodiversity, that high avian diversity boosts visitor perceptions of urban green-space quality, and that people with increased nature connectedness show enhanced attentional capacity.</p>
Climate change impacts on seabirds and marine mammals: the importance of study duration, thermal tolerance and generation time
Understanding climate change impacts on top predators is fundamental to marine biodiversity conservation, due to their increasingly threatened populations and their importance in marine ecosystems. We conducted a systematic review of the effects of climate change (prolonged, directional change) and climate variability on seabirds and marine mammals. We extracted data from 484 studies (4808 published studies were reviewed), comprising 2215 observations on demography, phenology, distribution, diet, behaviour, body condition and physiology. The likelihood of concluding that climate change had an impact increased with study duration. However, the temporal thresholds for the effects of climate change to be discernible varied from 10 to 29 years depending on the species, the biological response and the oceanic study region. Species with narrow thermal ranges and relatively long generation times were more often reported to be affected by climate change. This provides an important framework for future assessments, with guidance on response- and region-specific temporal dimensions that need to be considered when reporting effects of climate change. Lastly, we found that tropical regions and non-breeding life stages were poorly covered in the literature, a concern that should be addressed to enable a better understanding of the vulnerability of marine predators to climate change.
Impacts of growth form and phylogenetic relatedness on seed germination: a large-scale analysis of a subtropical regional flora
<p>Plant regeneration strategy plays a critical role in species survival and can be used as a proxy for the evolutionary response of species to climate change. However, information on the effects of key plant traits and phylogenetic relatedness on seed germination is limited at large regional scales that vary in climate. To test the hypotheses that phylogenetic niche conservatism plays a critical force in shaping seed ecophysiological traits across species, and also drives their response to climatic fluctuation, we conducted a controlled experiment on seed germination and determined the percentage and rate of germination for 249 species in subtropical China under two temperature regimes (i.e., daily 25ºC; daily alternating 25/15ºC for each 12 h). Germination was low with a skewed distribution (mean = 38.9% at 25ºC, and 43.3% at 25/15ºC). One fifth of the species had low (<10%) and slow (4–30d) germination, and only a few (8%) species had a high (>80%) and rapid (1.2–6.6d) germination. All studied plant traits (including germination responses) showed a significant phylogenetic signal, with an exception of seed germination percentage under the alternating temperature scenario. Generalized linear models (GLMs) and phylogenetic generalized estimation equations (GEEs) demonstrated that growth form and seed dispersal mode were strong drivers of germination. Our experimental study highlights that integrating plant key traits and phylogeny is critical to predicting seed germination response to future climate change.</p>
FIGURE 6 in Phylogeography and Genetic Structure in the California Giant Salamander (Dicamptodon ensatus): Impacts of current and historic landscape features
FIGURE 6. Species Distribution Model (SDM) of D. ensatus based on museum records. Increased shading towards green represents increasing suitable habitat.
FIGURE 2 in Phylogeography and Genetic Structure in the California Giant Salamander (Dicamptodon ensatus): Impacts of current and historic landscape features
FIGURE 2. Relationships between Dicamptodon ensatus populations and distribution of those lineages along the coast of the California region. Major mtDNA lineages are color coded and branch lengths are proportional. Support values on branches follow the format (coalescent analysis�posterior probability / Bayesian inference analysis posterior probability / bootstrap proportions maximum-likelihood analysis). The tree is a consensus gene tree from the coalescent analysis with deeper weakly supported relationships collapsed. The color bar represents nuclear genotype groups. Geographic range denoted by green shading. Stars on map denote likely ancestral haplotype regions as determined by the BPEC analysis. The approximate region of the former Wilson Grove embayment is overlaid onto the map in transparent blue.
FIGURE 1 in Phylogeography and Genetic Structure in the California Giant Salamander (Dicamptodon ensatus): Impacts of current and historic landscape features
FIGURE 1. Range map from the IUCN Red List in transparent green with sampling localities from this study marked.
FIGURE 5 in Phylogeography and Genetic Structure in the California Giant Salamander (Dicamptodon ensatus): Impacts of current and historic landscape features
FIGURE 5. Isolation by distance plot. P value calculated by Mantel test. (y = 0.00292 x + 0.07696, r2 = 0.809, P = 0.007).
FIGURE 3. a in Phylogeography and Genetic Structure in the California Giant Salamander (Dicamptodon ensatus): Impacts of current and historic landscape features
FIGURE 3. a) mtDNA TCS haplotype network of the control region. b) nuDNA haplotype TCS network of E16C7. Colors of clusters are coded to match the coalescent tree clade branches. Circle size is proportional to haplotype occurrence and numbers refer to occurrence sampled if greater then one.
Regionalized dynamic climate series for ecological climate impact research in modern controlled environment facilities
<p>Modern controlled environment facilities (CEFs) enable the simulation of dynamic microclimates in controlled ecological experiments through their technical ability to precisely control multiple environmental parameters. However, few CEF studies exploit the technical possibilities of their facilities, as climate change treatments are frequently applied by static manipulation of an inadequate number of climate change drivers, ignoring intra-annual variability and co-variation of multiple meteorological variables. We present so called Test Reference Years (TRY) that consist of typical annual cycles of temperature, relative humidity, air pressure, global radiation, photosynthetically active photon flux density, tropospheric ozone concentration and CO<sub>2</sub>. The TRYs represent possible annual cycles of a reference period (1987-2016) and the two contrasting climate scenarios RCP2.6 and RCP8.5.</p>
Impact of Motivation, Learning Strategy and Intelligence Quotient on Medical Students Grades during first semester
<p>Rekapitulasi data MSLQ dan IQ </p>
Data from: Evolutionary impact of size-selective harvesting on shoaling behavior: Individual-level mechanisms and possible consequences for natural and fishing mortality
<p>Intensive and size-selective harvesting is an evolutionary driver of life-history as well as individual behavioral traits. Yet, whether and to what degree harvesting modifies the collective behavior of exploited species is largely unknown. We present a multi-generation harvest selection experiment with zebrafish (<em>Danio rerio)</em> as a model species to understand the effects of size-selective harvesting on shoaling behavior. The experimental system is based on a large-harvested (typical of most wild capture fisheries targeting larger size classes) and small-harvested (typical of specialized fisheries and gape-limited predators targeting smaller size classes) selection lines. By combining high resolution tracking of fish behavior with computational agent-based modeling we show that shoal cohesion changed in the direction expected by a trade-off between individual vigilance and the use of social cues. In particular, we document a decrease of individual vigilance in the small-harvested line, which was linked to an increase in the attention to social cues, favoring more cohesive shoals. Opposing outcomes were found for the large-harvested line, which formed less cohesive shoals. Using the agent-based model we outline possible consequences of changes in shoaling behavior for both fishing and natural mortality. The changes in shoaling induced by large size-selective harvesting may decrease fishing mortality, but increase mortality by natural predators. Our work suggests an insofar overlooked evolutionary mechanism by which size-selective harvesting can affect fishing and natural mortality of exploited fish.</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.