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17,039 results for “Natural”
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Charles Christopher Parry, <a href="http://www.wikidata.org/entity/Q650220">http://www.wikidata.org/entity/Q650220</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Johan Ernst Gunnerus, <a href="http://www.wikidata.org/entity/Q703279">http://www.wikidata.org/entity/Q703279</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Diversity of radial variations of wood properties in European beech reveals the plastic nature of juvenile wood - Dataset
<p>The long-term (as opposed to short-term intra-ring) radial variation of wood properties in European beech (<em>Fagus sylvatica</em> L.) from pith to bark are largest in the young ages of the tree (internal core). This so-called juvenility reflects both cambium ageing (ontogenetic juvenility) and adaptation to the changing mechanical constraints during secondary growth (adaptive juvenility). Ring width (<em>RW</em>), specific gravity (<em>SG</em>) and specific modulus (<em>SM</em>) are important parameters for each new wood layer, needed for the study of mechanical stability of a standing tree. They should be sensitive to the mechanical adaptation of growth.<strong> </strong>They were measured on diametrical boards (North/South direction) issued from 86 trees from several high forest stands in European countries. Analysis of variance showed very significant influence of position within the tree (core/external), of trees within a plot and of plots, but not for North/South orientation. The share of variance was similar for <em>SG</em> and <em>SM</em> (importance of tree effect) but different for <em>RW </em>(importance of plot effect). The occurrence of red heartwood in the core on some trees had a significant influence, mostly on <em>SM</em>, but the differences between white and red wood was very small. Globally the variability was high for <em>RW</em>, rather small for <em>SM</em> and very small for <em>SG</em>. Accordingly, the variations of the modulus of elasticity (product of <em>SG</em> and <em>SM</em>) were much more influenced by <em>SM</em> than by <em>SG</em> for beech. The radial variations of each parameter were fitted by both a linear (2 coefficients: zero value and mean slope) and a parabolic curve (3 coefficients: zero value, initial slope and curvature). They were used to classify types or radial profile in terms of flat, up & down and straight, convex & concave. Median values of coefficients per plot (or total) were used to draw median profiles for each parameter per plot and at the global level. The median global profiles differed from the typical radial pattern (TRP) of juvenility for plantation softwoods for <em>SG</em> (down concave instead of up concave) and <em>SM</em> (convex like TRP but with a clear decrease in the mature wood). The main result was the very large variability of profiles between trees or even between plots. Even if there is a part of ontogenetic influence in the juvenile patterns for <em>RW</em>, <em>SG</em> and <em>SM</em>, the results suggest that the influence of mechanical constraints on tree growth (adaptive juvenility) dominates largely. </p> <p><em>The provided file contains the data and the sheets developped to analyse them. It serves as supplementary material for the related paper submitted for recommendation to the PCI Forest and Wood Science.</em></p>
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Urbain Jean Faurie, <a href="http://www.wikidata.org/entity/Q3359752">http://www.wikidata.org/entity/Q3359752</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Harold Norman Moldenke, <a href="http://www.wikidata.org/entity/Q3127627">http://www.wikidata.org/entity/Q3127627</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Hans Wilkens, <a href="http://www.wikidata.org/entity/Q113988271">http://www.wikidata.org/entity/Q113988271</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Richard Bowen Woosnam, <a href="http://www.wikidata.org/entity/Q76163827">http://www.wikidata.org/entity/Q76163827</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Sandy Wollaston, <a href="http://www.wikidata.org/entity/Q2058295">http://www.wikidata.org/entity/Q2058295</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Sydney Margaret Stent, <a href="http://www.wikidata.org/entity/Q2868331">http://www.wikidata.org/entity/Q2868331</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Jan Frederik Veldkamp, <a href="http://www.wikidata.org/entity/Q4106131">http://www.wikidata.org/entity/Q4106131</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by John Firminger Duthie, <a href="http://www.wikidata.org/entity/Q11925800">http://www.wikidata.org/entity/Q11925800</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Daniel Thomas Jennings, <a href="http://www.wikidata.org/entity/Q113884635">http://www.wikidata.org/entity/Q113884635</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Emmet Reid Blake, <a href="http://www.wikidata.org/entity/Q3724727">http://www.wikidata.org/entity/Q3724727</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Spencer Le Marchant Moore, <a href="http://www.wikidata.org/entity/Q2975984">http://www.wikidata.org/entity/Q2975984</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Eliza Catherine Jelly, <a href="http://www.wikidata.org/entity/Q113110775">http://www.wikidata.org/entity/Q113110775</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Anthony Hurt Wolley-Dod, <a href="http://www.wikidata.org/entity/Q4772772">http://www.wikidata.org/entity/Q4772772</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Ernest Bayet, <a href="http://www.wikidata.org/entity/Q111420842">http://www.wikidata.org/entity/Q111420842</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Herbert McKenzie Denslow, <a href="http://www.wikidata.org/entity/Q130722177">http://www.wikidata.org/entity/Q130722177</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by William H. Witte, <a href="http://www.wikidata.org/entity/Q117801595">http://www.wikidata.org/entity/Q117801595</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Sophie Møller, <a href="http://www.wikidata.org/entity/Q12002040">http://www.wikidata.org/entity/Q12002040</a>. Claims or attributions were made on Bionomia, <a href="https://bionomia.net">https://bionomia.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
ScienceDex guides
Understand access before you commit
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.