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128 results for “shadows”
Data from: Collateral damage or a shadow of safety? The effects of signaling heterospecific neighbors on the risks of parasitism and predation
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Data from: Leaving the shadows behind? Effects of domestic workers reform on mothers’ formal employment
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Nuclear shadowing in DIS at electron-ion colliders: gluon shadowing grids
<p>Data grids for <em>C<sub>eff</sub></em> a <em>R<sub>G</sub></em> accordign to <a href="https://arxiv.org/abs/2003.04156">arXiv:2003.04156</a> [hep-ph].</p> <p>Data for an arbitrary value between the minimal and maximal value of input parameters can be obtained using multidimensional linear interpolation function, for example, <em>Multidimensional Linear Interpolation F104 from CERNlib</em>, <a href="https://cernlib.web.cern.ch/cernlib/">https://cernlib.web.cern.ch/cernlib/</a>.</p> <p><strong>Abstract:</strong></p> <p>We present a revision of predictions for nuclear shadowing in deep-inelastic scattering at small Bjorken $\x_{Bj}$ corresponding to kinematic regions accessible by the future experiments at electron-ion colliders. The nuclear shadowing is treated within the color dipole formalism based on the rigorous Green function technique. This allows incorporating naturally color transparency and coherence length effects, which are not consistently and properly included in present calculations. For the lowest $|q\bar q\rangle$ Fock component of the photon, our calculations<br> are based on an exact numerical solution of the evolution equation for the Green function. Here the magnitude of shadowing is tested using a realistic form for the nuclear density function, as well as various phenomenological models for the dipole cross section. The corresponding variation of the transverse size of the $q\bar q$ photon fluctuations is important for $\x_{Bj}\gtrsim 10^{-4}$, on the contrary with the most of other models, which use frequently only the eikonal approximation with the ``frozen" transverse size.<br> At $\x_{Bj}\lesssim 0.01$ we calculate within the same formalism also a shadowing correction for the higher Fock component of the photon containing gluons. The corresponding magnitudes of gluon shadowing correction are compared adopting different phenomenological dipole models. Our results are tested by available data from the E665 and NMC collaborations. Finally, the magnitude of nuclear shadowing is predicted for various kinematic regions that should be scanned by the future experiments at electron-ion colliders.</p>
Decoupling the effects of food and density on life history plasticity of wild animals using field experiments: Insights from the steward who sits in the shadow of its tail, the North American red squirrel
<p>Long-term studies of wild animals provide the opportunity to investigate how phenotypic plasticity is used to cope with environmental fluctuations, and how the relationships between phenotypes and fitness can be dependent upon the ecological context.</p> <p>Most previous studies have only investigated life history plasticity in response to changes in temperature, yet wild animals often experience multiple environmental fluctuations simultaneously. This requires field experiments to decouple which ecological factor induces plasticity in fitness-relevant traits to better understand their population-level responses to those environmental fluctuations.</p> <p>For the past 32 years, we have conducted a long-term integrative study of individually marked North American red squirrels (<i>Tamiasciurus hudsonicus </i>Erxleben) in the Yukon, Canada. We have used multi-year field experiments to examine the physiological and life history responses of individual red squirrels to fluctuations in food abundance and conspecific density.</p> <p>Our long-term observational study and field experiments show that squirrels can anticipate increases in food availability and density, thereby decoupling the usual pattern where animals respond to, rather than anticipate, an ecological change.</p> <p>As in many other study systems, ecological factors that can induce plasticity (such as food and density) co-vary. However, our field experiments that manipulate food availability and social cues of density (frequency of territorial vocalizations) indicate that increases in social (acoustic) cues of density in the absence of additional food can induce similar life history plasticity, as does experimental food supplementation.</p> <p>Changes in the levels of metabolic hormones (glucocorticoids) in response to variation in food and density are one mechanism that seems to induce this adaptive life history plasticity. </p> <p>Although we have not yet investigated the energetic response of squirrels to elevated density or its association with life history plasticity, energetics research in red squirrels has overturned several standard pillars of knowledge in physiological ecology.</p> <p>We show how a tractable model species combined with integrative studies can reveal how animals cope with resource fluctuations through life history plasticity.</p>
THE INFLUENCE OF THE SHADOW ECONOMY ON SOCIETY.
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Figs 67-79 in From the shadows of the past: Moricand senior and junior, two 19th century naturalists from Geneva, with their newly described taxa and molluscan types
Figs 67-79. Subulinidae, Pleurodontidae, and Haplotrematidae. (67-68) Subulinidae. (67) Obeliscus subuliformis (S. Moricand, 1836), syntype, MHNG-INVE-66259 (H = 28.7). (68) Obeliscus obeliscus (S. Moricand, 1834), holotype, MHNG-INVE-66256 (H = 84.4). (69-76) Pleurodontidae. (69-72) Isomeria equestrata (J. Moricand, 1858), syntype, MHNG-INVE-72607 (D = 38.6). (73-76) Labyrinthus tarapotonensis (J. Moricand, 1858), syntype, MHNG-INVE-72711 (D = 30.0). (77-79). Haplotrematidae. (77-79) Austroselenites moyobambensis (J. Moricand, 1858), syntype, MHNG-INVE-68036 (D = 27.2).
2D Athena++ simuations of a planet in a shadowed disk
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Dataset for Predatory publishing practices in the shadow of open access models [diploma thesis]
<p>Dataset contains: </p> <ul> <li>a list of predatory journals with ISSNs/eISSNs based upon existing blacklists</li> <li>exports of OA publications from the systems OBD (Charles University personal bibliography database) and RIV (Register of information about research results of the Czech Republic) </li> <li>an analysis based on the data above</li> <li>answers gathered using a quantitative questionnaire on the title topic</li> </ul>
Image Database SNF-Sinergia Project "In the Shadow of the Tree"
<div> <div> <div> <p>SNF Sinergia Project with four research groups: Profs. Marianne Sommer (University of Lucerne), Simon Teuscher (University of Zurich), Staffan Müller-Wille (University of Exeter and Lübeck), Caroline Arni (University of Basel).</p> <p>Financed by the Swiss National Science Foundation from February 2019 to January 2024.</p> </div> </div> </div> <div> <p>‘In the Shadow of the Tree: The Diagrammatics of Relatedness as Scientific, Scholarly, and Popular Practice’ is an interdisciplinary collaboration of four research groups investigating the bewildering variety of diagrams that have been used to conceptualize, determine, and produce relatedness in Western Europe and in spaces of European expansion since the Late Medieval Period. Work on the ‘tree of life’ has brought to light unexpected evolutionary affinities, and the possibility to study the genetic make-up of human populations as well as to identify the place of individual human DNA within ‘the human family tree’ has impacted our understandings of relatedness. In parallel, new digital methods to visualize such relations have proliferated. Drawing on a long cultural and scientific history, such visualizations tend to take the form of a tree, reflecting the assumption that evolution and descent follow a bifurcating pattern. ‘Tree thinking’ has therefore been identified as a dominant mode of thought and the tree as a canonical icon in modern biology. Indeed, tree thinking has been made out as a general modern Western rationale that reduces relatedness to descent. Rather than tracing the history of a particular idea or icon, however, we offer a comparative analysis of diagrams of relatedness as epistemic, cultural, and political practices. The project introduces a new interdisciplinary approach to diagrammatics that analyzes diagrams as techniques that transcend such binaries as ‘thought and action’ and ‘image and text’ and includes the reconstruction of the practices of collection, observation, experimentation, modelling, drafting, commenting, explaining etc. that inform diagrams of relatedness, as well as the politics of their production and use.</p> </div>
Replication Package for "Life out of the Shadows: The Impacts of Regularization Program on the Lives of Forced Migrants"
<p>This package contains the data, programs and instructions to replicate manuscript "Life out of the Shadows: The Impacts of Regularization Program on the Lives of Forced Migrants" by Ana María Ibáñez, Andrés Moya, María Adelaida Ortega, Sandra V. Rozo, and María José Urbina forthcoming at JEEA.</p>
Dataset of Dig in Shadow
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In the shadows of snow leopards and the Himalayas: density and habitat selection of blue sheep in Manang, Nepal
<p><span>There is a growing agreement that conservation needs to be proactive and pay increased attention to common species and to the threats they face. The blue sheep (<i>Pseudois nayaur</i>) plays a key ecological role in sensitive high-altitude ecosystems of Central Asia and is among the main prey species for the globally vulnerable snow leopard (<i>Panthera uncia</i>). As the blue sheep has been increasingly exposed to human pressures, it is vital to estimate its population dynamics, protect the key populations, identify important habitats, and secure a balance between conservation and local livelihoods. We conducted a study in Manang, Annapurna Conservation Area (Nepal) to survey blue sheep on 60 transects in spring (127.9 km) and 61 transects in autumn (134.7 km) of 2019, estimate their minimum densities from total counts, compare these densities with previous estimates, and assess blue sheep habitat selection by the application of generalized additive models (GAMs). Total counts yielded minimum density estimates of 6.0-7.7 and 6.9-7.8 individuals/km<sup>2</sup> in spring and autumn, respectively, which are relatively high compared to other areas. Elevation and, to a lesser extent, land cover indicated by the normalized difference vegetation index (NDVI) strongly affected habitat selection by blue sheep, whereas the effects of anthropogenic variables were insignificant. Animals were found mainly in habitats associated with grasslands and shrublands at elevations between 4200 and 4700 m. We show that the blue sheep population size in Manang has been largely maintained over the past three decades, indicating the success of the integrated conservation and development efforts in this area. Considering a strong dependence of snow leopards on blue sheep, these findings give hope for the long-term conservation of this big cat in Manang. We suggest that long-term population monitoring and a better understanding of blue sheep-livestock interactions are crucial to maintain healthy populations of blue sheep and, as a consequence, of snow leopards. </span></p>
Figure 11 from: Hicks A (2015) In the shadow of a megalopolis, a new Flexamia from a threatened grass species in the New Jersey Pine Barrens (Hemiptera, Cicadellidae, Deltocephalinae, Paralimnini). ZooKeys 511: 69-79. https://doi.org/10.3897/zookeys.511.9572
Figure 11 - Female, bases of valvulae. Within Flexamia these structures provide a means for specific identification of female specimens.
Figure 12 from: Hicks A (2015) In the shadow of a megalopolis, a new Flexamia from a threatened grass species in the New Jersey Pine Barrens (Hemiptera, Cicadellidae, Deltocephalinae, Paralimnini). ZooKeys 511: 69-79. https://doi.org/10.3897/zookeys.511.9572
Figure 12 - Distribution of Muhlenbergia torreyana and location of the Pine Barrens. Modified from data found on the Grass Manual on the Web and BONAP's North American Plant Atlas.
Figure 1 from: Hicks A (2015) In the shadow of a megalopolis, a new Flexamia from a threatened grass species in the New Jersey Pine Barrens (Hemiptera, Cicadellidae, Deltocephalinae, Paralimnini). ZooKeys 511: 69-79. https://doi.org/10.3897/zookeys.511.9572
Figure 1 - A stand of Muhlenbergia torreyana in the Pine Barrens. Photo courtesy of Uli Lorimer of the Brooklyn Botanic Garden.
Figure 10 from: Hicks A (2015) In the shadow of a megalopolis, a new Flexamia from a threatened grass species in the New Jersey Pine Barrens (Hemiptera, Cicadellidae, Deltocephalinae, Paralimnini). ZooKeys 511: 69-79. https://doi.org/10.3897/zookeys.511.9572
Figure 10 - Female 7th sternite. Commonly illustrated for this genus but only occasionally useful to separate species.
Figure 9 from: Hicks A (2015) In the shadow of a megalopolis, a new Flexamia from a threatened grass species in the New Jersey Pine Barrens (Hemiptera, Cicadellidae, Deltocephalinae, Paralimnini). ZooKeys 511: 69-79. https://doi.org/10.3897/zookeys.511.9572
Figure 9 - SEMs of the aedeagal apex, from left to right, lateral, dorsal, and caudoventral aspects, the latter illustrating the position of the gonopore on the ventral unpaired process.
Figure 5 from: Hicks A (2015) In the shadow of a megalopolis, a new Flexamia from a threatened grass species in the New Jersey Pine Barrens (Hemiptera, Cicadellidae, Deltocephalinae, Paralimnini). ZooKeys 511: 69-79. https://doi.org/10.3897/zookeys.511.9572
Figure 5 - Pygofer and subgenital plates, male, lateral aspect. Note heavily sclerotized caudoventral margin (arrow) and length of subgenital plates relative to pygofer.
Decoupling the effects of food and density on life history plasticity of wild animals using field experiments: Insights from the steward who sits in the shadow of its tail, the North American red squirrel
Open the record for dataset details and reuse information.
In the shadows of snow leopards and the Himalayas: density and habitat selection of blue sheep in Manang, Nepal
Open the record for dataset details and reuse information.
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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)
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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.