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10,767 results for “Contribution”
Figures 5–10. Nesozineus spp. 5–8 in Taxonomic contributions to Neotropical Lamiinae (Coleoptera: Cerambycidae) including a new genus, five new species and a new synonym
Figures 5–10. Nesozineus spp. 5–8) Nesozineus morrisi, holotype male. 5) Dorsal habitus. 6) Ventral habitus. 7) Lateral habitus. 8) Head, frontal view. 9–10) Nesozineus apharus, paratype male. 9) Dorsal habitus. 10) Ventral habitus.
Figures 1–4. Cotycicuiara lingafelteri, holotype male. 1 in Taxonomic contributions to Neotropical Lamiinae (Coleoptera: Cerambycidae) including a new genus, five new species and a new synonym
Figures 1–4. Cotycicuiara lingafelteri, holotype male. 1) Dorsal habitus. 2) Ventral habitus. 3) Lateral habitus. 4) Head, frontal view.
Training data for the component contribution method
<p>Data files containing measured Gibbs free energies of reaction and formation (or electrostatic potential). This data is used by the component-contribution method to train the regression model that is used to estimate Gibbs free energies of many other biochemical reactions.</p>
Fig. 13 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 13. Genitalia of five species of Afronurus Lestage, 1924. A–B. A. furcatus (Zhou & Zheng, 2003) (NNU). C–D. A. hunanensis (Zhang & Cai, 1991) (NNU). E–F. A. obliquistriatus (You et al., 1981) (NNU). G–H. A. rubromaculatus (You et al., 1981) (NNU). I–J. A. yixingensis (Wu & You, 1986) (NNU). A, C, E, G, I. Genitalia. B, D, F, H, J. Penes enlarged; arrows show titillators. Scale bars: A, C, E, G, I = 0.5 mm; B, D, F, H, J = 0.2 mm.
Fig. 1 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 1. Nymph of Afronurus drepanophyllus sp. nov. (NNU). A. Nymphal habitus. B. Selected segments, enlarged, of terminal filament and right cercus (dorsal view). Scale bars: A = 2.0 mm; B = 0.1 mm.
Fig. 9 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 9. Nymphal structures of Afronurus furcatus (Zhou & Zheng, 2003) (NNU). A. Foreleg. B. Midleg. C. Hindleg. D. Hindleg tibia. E. Foreleg claw. F. Gill I. G. Gill II. H. Gill VI. I. Gill VII. Scale bars: A–D = 1.0 mm; E–I = 0.3 mm.
Fig. 4 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 4. SEM photos of nymphal maxillae. A. A. drepanophyllus sp. nov. (NNU). B. A. furcatus (Zhou & Zheng, 2003) (NNU). C. A. hunanensis (Zhang & Cai, 1991) (NNU). A–C. Dentisetae. D. Enlarged scattered setae on ventral surface; the three species have similar structures (labels show distal dentisetae and proximal dentisetae respectively). Abbreviations: see Material and methods.
Fig. 12 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 12. Male abdominal terga of five species of Afronurus Lestage, 1924. A. A. furcatus (Zhou & Zheng, 2003) (NNU). B. A. hunanensis (Zhang & Cai, 1991) (NNU). C. A. obliquistriatus (You et al., 1981) (NNU). D. A. rubromaculatus (You et al., 1981) (NNU). E. A. yixingensis (Wu & You, 1986) (NNU). Scale bars = 1.0 mm.
Fig. 7 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 7. Nymphal habitus of five species of Afronurus Lestage, 1924. A–C. A. furcatus (Zhou & Zheng, 2003) (NNU). D–F. A. hunanensis (Zhang & Cai, 1991) (NNU). G–I. A. obliquistriatus (You et al., 1981) (NNU). J–L. A. rubromaculatus (You et al., 1981) (NNU). M–O. A. yixingensis (Wu & You, 1986) (NNU). A, D, G, J, M. Head capsule. B, E, H, K, N. Abdominal terga. C, F, I, L, O. Caudal filaments. Scale bars: A–B, D–E, G–H, J–K, M–N = 2.0 mm; C, F, I, L, O = 1.0 mm.
Fig. 6 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 6. SEM photos of eggs. A. Afronurus drepanophyllus sp. nov. (NNU). B. A. furcatus (Zhou & Zheng, 2003) (NNU). C. A. hunanensis (Zhang & Cai, 1991) (NNU). D. A. obliquistriatus (You et al., 1981) (NNU). E. A. rubromaculatus (You et al., 1981) (NNU). F. A. yixingensis (Wu & You, 1986) (NNU).
Fig. 8 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 8. Mouthparts of Afronurus furcatus (Zhou & Zheng, 2003) (NNU). A. Labrum (ventral view). B. Hypopharynx (ventral view). C. Left mandible (ventral view). D. Right mandible (ventral view). E. Labium. F. Maxillae. G. Incisors of left mandible. H. Incisors of right mandible. Scale bars: A, C–D, F = 0.5 mm; B = 0.3 mm; E = 1.0 mm; G–H = 0.1 mm.
Fig. 3 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 3. Nymphal structures of Afronurus drepanophyllus sp. nov. (NNU). A. Foreleg. B. Midleg. C. Hindleg. D. Hindleg tibia. E. Foreleg claw. F. Gill I. G. Gill II. H. Gill VI. I. Gill VII. J. Foreleg femur, bristles on dorsal surface. Scale bars: A–C = 1.0 mm; D, F, H = 0.5 mm; E, G = 0.3 mm; I = 0.2 mm; J = 0.1 mm.
Fig. 10 in A contribution to the genus Afronurus Lestage, 1924 in China (Ephemeroptera: Heptageniidae, Ecdyonurinae)
Fig. 10. Mouthparts of Afronurus hunanensis (Zhang & Cai, 1991) (NNU). A. Labrum (ventral view). B. Hypopharynx (ventral view). C. Left mandible (ventral view). D. Right mandible (ventral view). E. Labium. F. Maxillae. G. Incisors of left mandible. H. Incisors of right mandible. Scale bars: A–D, F = 0.5 mm; E = 1.0 mm; G–H = 0.1 mm.
How to achieve a higher selection plateau in forest tree breeding? Fostering heterozygote x homozygote relationships in optimal contribution selection in the case study of Populus nigra
<p><span><span><span><span><span><span>In breeding, Optimal Contribution Selection (OCS) is one of the most effective strategies to balance short- and long-term genetic responses, by maximizing genetic gain and minimizing global coancestry. Considering genetic diversity in the selection dynamic – through coancestry – is undoubtedly the reason for the success of OCS, as it avoids intial loss of favorable alleles. Originally formulated with the pedigree relationship matrix, global coancestry can nowadays be assessed with one of the possible formulations of the realized genomic relationship matrix. Most formulations were optimized for genomic evaluation, but few for the management of coancestry. We introduce here an alternative formulation specifically developed for Genomic OCS (GOCS), intended to better control heterozygous loci, and thus better account for Mendelian sampling. We simulated a multi-generation breeding program with mate allocation and under GOCS for twenty generations, solved with quadratic programming. With the case study of </span></span></span><span><i><span>Populus nigra</span></i></span><span><span><span>, we have shown that, although the dynamic was mainly determined by the trade-off between genetic gain and genetic diversity, better formulations of the genomic relationship matrix, especially those fostering individuals carrying multiple heterozygous loci, can lead to better short-term genetic gain and a higher selection plateau. </span></span></span></span></span></span></p>
Contributions of genetic and non-genetic sources to variation in cooperative behaviour in a cooperative mammal
<p>The evolution of cooperative behaviour is a major area of research among evolutionary biologists and behavioural ecologists, yet there are few estimates of its heritability or of its evolutionary potential and long-term studies of identifiable individuals are required to disentangle genetic and non-genetic components of cooperative behaviour. Here we use long-term data on over 1800 individually recognisable wild meerkats (<i>Suricata suricatta</i>) collected over 30 years and a multi-generational genetic pedigree to partition phenotypic variation in three cooperative behaviours (babysitting, pup feeding and sentinel behaviour) into individual, additive genetic and other sources, and to assess their repeatability and heritability. In addition to strong effects of sex, age and dominance status, we found significant repeatability in individual contributions to all three types of cooperative behaviour both within and across breeding seasons. Like most other studies of the heritability of social behaviour, we found that the heritability of cooperative behaviour was low. However, our analysis suggests that a substantial component of the repeatable individual differences in cooperative behaviour that we observed was a consequence of additive genetic variation. Our results consequently indicate that cooperative behaviour can respond to selection, and suggest scope for further exploration of the genetic basis of social behaviour.</p>
Individuals with developmental disabilities do make individual stylistic contributions to text written with physical facilitation
<p>Corpora of texts written via Facilitated Communication (FC) among two Italian centres. The texts collected resulted from a >10 years period: 16 FC users and 8 eight facilitators were involved. For each centre, 4 and 5 folders were created respectively. Those labelled as Corpus 1 and Corpus 2 refer to the original corpus. The first code (U+ number) refers to the FC user. The code that follows the underscore refers to the facilitator (F+number). The folders labelled with the underscore _A,_B and _C, contain texts written by different users with a single facilitator, split in three different ways in order to acknowledge possible diachronic stylistic changes. These corpora were analysed through Stylo package for R. </p> <p> </p>
Unravelling the Nature of the Spin Excitations Disentangled from the Charge Contributions in a Doped Cuprate Superconductor
<p>The nature of the spin excitations in superconducting cuprates is a key question toward a unified understanding of the cuprate physics from long-range antiferromagnetism to superconductivity. The intense spin excitations up to the over-doped regime revealed by resonant inelastic X-ray scattering bring new insights as well as problems—like understanding their persistence or their relation to the collective excitations in ordered magnets (magnons). Here, we study the evolution of the spin excitations upon hole-doping the superconducting cuprate Bi<sub>2</sub>Sr<sub>2</sub>CaCu<sub>2</sub>O<sub>8+δ</sub> by disentangling the spin from the charge excitations in the experimental cross section. We compare our experimental results against density matrix renormalization group calculations for a <em>t-J</em>-like model on a square lattice. Our results unambiguously confirm the persistence of the spin excitations, which are closely connected to the persistence of short-range magnetic correlations up to high doping. This suggests that the spin excitations in hole-doped cuprates are related to magnons—albeit short-ranged.</p>
A LCT Pegmatite Spectral Library of the Aldeia spodumene deposit: contributes to mineral exploration
<p>Studies focused on methodologies for locating and prospecting Li-Cs-Ta (LCT) pegmatites are increasingly relevant, given their importance for the energy market in a scenario where new sources need to be identified. Considering the inherent costs of field campaigns to identify targets <em>in situ</em>, this study presents alternatives, focusing on a preliminary evaluation of the spectral signature of targets at a specific site to serve as an added value for future exploration studies. Moreover, such spectral and remote sensing-based approaches help to decrease the impacts of early stages of exploration due to their less invasive nature.</p> <p>Therefore, we present a spectral library built with empirical data available for public use, focusing on Lithium minerals and pegmatites of the Barroso pegmatite field (Portugal), one of the largest hard-rock European Lithium deposits, built within the scope of the INOVMINERAL4.0 project (<a href="https://inovmineral.pt/">https://inovmineral.pt/</a>).</p>
Supplementary data files for Manzano-Marín et. al. 2022 "Co-obligate symbioses have repeatedly evolved across aphids, but partner identity and nutritional contributions vary across lineages"
<p>The data set consists of four parts:</p> <p>1) "FISH_data":TIF-formatted files or unmerged and merged fluorescent channels of FISH microscopies of <em>Anoecia corni</em> and <em>Sipha maydis</em> embryos.</p> <p>2) "genome_data": GenBank- and FASTA-formatted files of genome assemblies and annotations for <em>Buchnera</em> and co-obligate symbionts.</p> <p>3) "pathway_data": Presence/absence tables of genes/pseudogenes coding for enzymes involved in the biosynthesis of essential amino acids and B vitamins in ODS spreadsheets and tab-separated value formats. Also, list of genes and pseudogenes of <em>Buchnera</em> genomes.</p> <p>4) "phylogeny_data": FASTA-formatted nucleotide alignment files, NEXUS-formatted files used for Bayesian phylogenetic reconstruction, and resulting trees. For <em>Buchnera</em>, manually-curated orthologous groups of proteins are also included as flat text files. In addition, the files to infer gene losses by maximum parsimony in Count are included in the "Buchnera_count" folder.</p>
SSHOC Training Material Video 6 - Contributing metadata to the Ethnic and Migrant Minorities (EMM) Survey Registry as a local/regional/national governmental department or EU agency/department or international organisation - training video in English, French and Spanish
<p>Contributing metadata to the Ethnic and Migrant Minorities (EMM) Survey Registry as a local/regional/national governmental department or EU agency/department or international organisation.</p> <p>A demo-based training video targeting statistical units in local/regional/national governmental departments to highlight why they should invest in and document their surveys on the EMM Survey Registry</p> <p><strong>Target Audience for the video: </strong>Statistical units in local/regional/national governmental departments producing quantitative surveys on ethnic and migrant minorities’ integration and/or inclusion</p>
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.