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10,356 results for “Severity”
Data for: Frond orientations with independent current indicators demonstrate the reclining rheotropic mode of life of several Ediacaran rangeomorph taxa
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Climate is more influential to vegetation green-up than factors that contribute to erosion following high-severity wildfire
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Where should they come from? Where should they go? Several measures of seed source locality fail to predict plant establishment in early prairie restorations
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The interplay between prior selection, mild intermittent exposure, and acute severe exposure in phenotypic and transcriptional response to hypoxia
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Supporting code and data for: Proportion of forest area burned at high-severity increases with increasing forest cover and connectivity in western US watersheds
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Data for: Brood parasitism of Hooded Warblers by Brown-headed Cowbirds: Severe impact on individual nests but modest consequences for seasonal fecundity and conservation
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No severe genetic bottleneck in a rapidly range-expanding bumblebee pollinator
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Supplementary material: Does functional redundancy determine the ecological severity of a mass extinction event?
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Severity outweighs pyrodiversity in shaping avian and bat species distributions following an oak woodland mega-fire
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The rapid rise of severe marine heat wave systems
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Anaktuvuk River Burn Eddy Flux Measurements, 2008 Severe Burn Site, North Slope Alaska
We deployed three eddy covariance towers along a burn severity gradient (i.e. severely-, moderately-, and un-burned tundra) to monitor post fire Net Ecosystem Exchange of CO2 (NEE) within the large 2007 Anaktuvuk River fire scar during the summer of 2008. This data represents the first post fire growing season's energy and mass exchange at the severe burn site.
Anaktuvuk River Burn Eddy Flux Measurements, 2009 Severe Burn Site, North Slope Alaska
We deployed three eddy covariance towers along a burn severity gradient (i.e. severely-, moderately-, and un-burned tundra) to monitor post fire Net Ecosystem Exchange of CO2 (NEE) within the large 2007 Anaktuvuk River fire scar during the summer of 2008. This data represents the 2009 post fire energy and mass exchange at the severe burn site.
Anaktuvuk River Burn Eddy Flux Measurements, 2010 Severe Burn Site, North Slope Alaska
We deployed three eddy covariance towers along a burn severity gradient (i.e. severely-, moderately-, and un-burned tundra) to monitor post fire Net Ecosystem Exchange of CO2 (NEE) within the large 2007 Anaktuvuk River fire scar during the summer of 2008. This data represents the 2010 post fire energy and mass exchange at the severe burn site.
Anaktuvuk River Burn Eddy Flux Measurements, 2011 Severe Burn Site, North Slope Alaska
We deployed three eddy covariance towers along a burn severity gradient (i.e. severely-, moderately-, and un-burned tundra) to monitor post fire Net Ecosystem Exchange of CO2 (NEE) within the large 2007 Anaktuvuk River fire scar during the summer of 2008. This data represents the 2011 post fire energy and mass exchange at the severe burn site.
Anaktuvuk River Burn Eddy Flux Measurements, 2012 Severe Burn Site, North Slope Alaska
We deployed three eddy covariance towers along a burn severity gradient (i.e. severely-, moderately-, and un-burned tundra) to monitor post fire Net Ecosystem Exchange of CO2 (NEE) within the large 2007 Anaktuvuk River fire scar during the summer of 2008. This data represents the 2012 post fire energy and mass exchange at the severe burn site.
Palmer Drought Severity Index (PDSI) for Fairbanks, AK 1949-2006
The Palmer Drought Severity Index was developed by W. C. Palmer as a standard way to quantify the severity of drought conditions. Palmer published his method in the 1965 paper, "Meteorological Drought" for the Office of Climatology of the U.S. Weather Bureau. This was generated using metological values from the Fairbanks, AK Airport. http://nadss.unl.edu/PDSIReport/pdsi/index.html
Fire Severity Estimates: 2001 Survey Line Burn
Field-based estimates of fire severity for 85 plots located near the Tanana River in the Survey Line Burn. Composite Burn Index estimates were taken during June-August 2002. The locations of each plot are stored as differentially corrected GPS files and as an ArcGIS point shapefile. Digital aerial photography of the post-fire area from August and September 2002 are in the data base. Database also includes remotely sensed fire severity indices of the entire Survey Line Burn including the Normalized Burn Ratio from a 21-July-2002 Landsat ETM+ image and the differenced Normalized Burn Ratio from a 6-June-2001 pre-fire Landsat ETM+ image and the post-fire 21-July-2002 Landsat ETM+ image.
Eight Mile Lake Research Watershed, Thaw Gradient: Growing season CO2 fluxes and several ecosystem measurements, growing season 2006-2007.
This dataset contains growing season CO2 fluxes, aboveground biomass, soil temperature, volumetric moisture content, seasonal thaw depth, and NDVI measured at 50 grid points along EML gradient sites measured.
Thresholds and alternative states in neotropical dry forest in response to fire severity, 2005-2018
Neotropical xerophytic forest ecosystems evolved with fires that shaped their resilience to disturbance events. We asked if there is evidence for a fire severity threshold causing an abrupt transition from a forest to an alternative shrub thicket state in the presence of typical post-fire management. We studied a heterogeneous wildfire event to assess medium-term effects (11 years) of varying fire severity in a xerophytic Caldén forest (Prosopis caldenia) in La Pampa province, central Argentina. We conducted field vegetation surveys in patches that were exposed to low (LFS), medium (MFS), and high (HFS) fire severities, but had similar pre-fire woody canopy cover. Satellite images were used to quantify fire severity using a delta Normalized Burning Ratio (dNBR) and to map pre-fire canopy cover. The structure and composition of woody and herbaceous vegetation was measured during the 2017-18 growing season (September to March) in areas affected by different severities of the 2006 wildfire.
Effectiveness of prone positioning in non-intubated ICU patients with moderate to severe ARDS
<p><strong>Data and R code from the paper</strong></p> <p><em><strong>Effectiveness of prone positioning in non-intubated ICU patients with moderate to severe ARDS</strong></em></p> <p>Authors:</p> <p>Manuel Taboada, Ph.D. Mariana González, M.D. Antía Álvarez, M.D., Irene González, M.D, Javier García, M.D., María Eiras. M.D., María Diaz Vieito, M.D., Alberto Naveira, M.D., Pablo Otero, M.D., Olga Campaña, M.D., Ignacio Muniategui, M.D., Ana Tubio, M.D., Jose Costa, M.D., Salomé Selas, M.D., Agustín Cariñena, M.D., Adrián Martínez, M.D., Sonia Veiras, M.D. Ph.D, Francisco Aneiros, M.D., Valentín Caruezo, M.D., Aurora Baluja, M.D. Julian Alvarez, Ph.D<br> <br> <strong>Background</strong>:<br> In the treatment for severe ARDS from COVID-19, the WHO recommends prone positioning (PP) during mechanical ventilation for periods of 12-16 hours per day to potentially improve oxygenation and survival. In this prospective observational study we evaluated the ability of long PP sessions to improve oxygenation in awake ICU patients with moderate or severe ARDS due to COVID-19.</p> <p><strong>Methods</strong>:<br> The study was approved by the ethics committee of Galicia (code No. 2020-188), and all patients provided informed consent. In this case series, awake patients with moderate or severe ARDS by COVID-19 admitted to the ICU at University Hospital of Santiago from March 21 to April 5, 2020 were prospectively analyzed. Patients were instructed to remain in PP as long as possible and not stop until the they felt too tired to maintain that position. If needed, light sedation was administered. The following information were collected: StO2 and blood gases (PaO2, PaO2/FiO2, PaCO2, pH) in ICU admission, number and duration of PP sessions, StO2 and blood gases before, during and following a PP session, need of mechanical ventilation, duration of ICU admission and ICU outcome. Linear mixed effects models (LMM) were adjusted to estimate changes of oxygenation parameters from baseline,. Patients were added as a random effect to account for inter-patient random variability in their own baseline measurements.</p> <p><strong>Results</strong>:<br> Seven patients with moderate or severe ARDS by COVID-19 were included. All patients received at least one PP session. A total of 16 PP sessions were performed in the 7 patients during the period study. The median duration of PP sessions was 10 hours. For PP sessions of more than 4 hours, dexmedetomidine was used for sedation. Oxygenation increased in all sixteen sessions performed in the seven patients. Prone positioning was associated to a net increase from baseline in PaO2, PaO2/FiO2 and StO2 (65, mmHg 110 and 2.6% respectively) PaO2/FiO2 increased during PP (Δ PaO2/FiO2 110.42 mmHg [28.173; 192.67]) and after PP (37.75 [-1.57; 77.07] compared with previous supine position (baseline PaO2FiO2 median-IQR97.8 [97.2 – 99.4]). Two patients required intubation. Six patients were discharged from the ICU and one remains on mechanical ventilation.</p> <p><strong>Conclusions</strong>:<br> We found that PP improved oxygenation and may avoid intubation in ICU patients with COVID-19 and moderate or severe ARDS. PP was relatively well tolerated in our patients. and may be a simple strategy to improve oxygenation trying to reduce patients in mechanical ventilation and the length of stay in the ICU, especially in the COVID-19 pandemic.</p> <p><strong>GitHub repository</strong>:</p> <p>https://github.com/medicalc/prone_sars</p>
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.