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5,828 results for “Traits”
Fig. 1 in Vision-Linked Traits Associated With Antenna Size and Foraging Ecology Across Ants
Fig. 1. Variation among vision-based traits across sampled taxa. Pruned phylogenetic tree from Blanchard and Moreau (2017) with log adjusted ommatidia density mapped along branches.The raw units for ommatidia density are ommatidia per 1mm2. Ecological niche occupation indicated with icons and bar graph colors, includes foraging niche and trophic level. (Right) Eye area normalized by frontal head area across sampled species. Corresponding PGLS results in Fig. 2, Table 2.
Fig. 5 in Vision-Linked Traits Associated With Antenna Size and Foraging Ecology Across Ants
Fig. 5. Visual acuity and trophic level. (Left) Variation between eye area and ommatidia number across sampled ant species.Trophic level information displays omnivorous (n = 31) and predatory (n = 28) ant species. Unknowns are also included (n = 11).Trendline shows linear regression of ommatidia number and eye area (R2 = 0.7908, P = <2.2 x 10–16). Both measurements are scaled by frontal head area. (Right) Simplified, hypothetical representation of visual acuity based on ommatidia number.
Fig. 4 in Vision-Linked Traits Associated With Antenna Size and Foraging Ecology Across Ants
Fig. 4. Phylogenetic Generalized Least Squares regression of scape length and eye traits. Results of linear regressions of visual traits against scape length; (A) ommatidia density R2 = 0.1754, P = 0.0004615; (B) eye height R2 = 0.4735, P = 5.40 x 10–10; (C) dorsoventral eye position R = 0.1365, P = 0.001975; (D) anteroposterior eye position R2 = 0.1286, P = 0.002643. Scape and eye height are scaled by head area. All specimens were included in analyses (n = 64); PGLS relationships from Blanchard and Moreau 2017. ** denotes P ≤ 0.01; *** P ≤ 0.001.
Invasive traits of freshwater fish database (ITOFF)
<p>ITOFF unifies data on life-history traits, interactions, and taxonomies of invasive freshwater fish, those species they endanger, and species known to be impacted by invasive species but not at risk of extinction. These data provide the opportunity to improve current understanding of factors that promote invasive success or increase susceptibility to invasion in critically threatened freshwater ecosystems.</p>
Complete codes for "Linking functional traits and diversity-invasibility hypothesis in submerged macrophyte communities under eutrophication", by Li
Open the record for dataset details and reuse information.
Invasive earthworms can change understory plant community traits and reduce plant functional diversity
<p>Datasets and R script</p>
Life history traits impact the nuclear rate of substitution but not the mitochondrial rate in isopods.
<p>Alignements from the paper "Life history traits impact the nuclear rate of substitution but not the mitochondrial rate in isopods" submitted to Molecular Biology and Evolution.</p><p>File "concatenation_382NuclearGenes.fas" corresponds to the concatenation of 382 nuclear genes for 26 Isopod species. File "concatenation_12MtGenes.fas" corresponds to the concatenation of 12 mitochondrial protein coding genes (cytb, cox1, cox2, cox3, atp6, nad1, nad2, nad3, nad4, nad4l, nad5, nad6 ). Genes were aligned with PRANK (Löytynoja and Goldman, 2008) and sites ambiguously aligned were removed with Gblocks (Castresana, 2000).</p><p> </p><p>File "Opsine1_cds.fas" corresponds to the alignement of the coding part of the Opsin 1 gene for 26 Isopod species. Intron has been removed as well as non-sens mutations.</p><p> </p><p>26 Mitochondrial genomes: we reconstructed mitochondrial genomes using both the de novo transcriptome assemblies from Francois et al. (2016) and low coverage genome sequencing reads available for 22 species from Lef ebure et al. (2017). Since mitochondrial genomes are present in multiple copies per cell, a very low sequencing effort is sufficient to yield a high coverage for mitochondrial sequences. Using the DNA-seq reads, mitogenomes were assembled with MITObim (Hahn et al. 2013) using the COI gene as a seed to build the complete mitogenome. All annotated genome have been deposited in the ENA project PRJEB14193.</p>
Trait selection strategy in multi-trait GWAS: Boosting SNPs discoverability
<p>Dataset used during the study "Trait selection strategy in multi-trait GWAS: Boosting SNPs discoverability"</p>
Fig. 3 in Influence of urban noise in call traits of the Atlantic Forest treefrog Bokermannohyla hylax
Fig. 3. Parameters of individuals' advertisement calls in both sampling sites close to (lighter colors) and far (darker colors) from the boulevard. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Fig. 1 in Influence of urban noise in call traits of the Atlantic Forest treefrog Bokermannohyla hylax
Fig. 1. Collecting sites of Bokermannohyla hylax in S˜ao Paulo, Brazil, with the distances from collecting sites to boulevard and city houses.
Fig. 2 in Influence of urban noise in call traits of the Atlantic Forest treefrog Bokermannohyla hylax
Fig. 2. Mean frequency spectrum of Bokermannohyla hylax advertisement call in both sites and average urban noise close (blue line) to and far (pink line) from the boulevard (frequency sampling 22.05 kHz, window length 1024 points). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
Genetic variation for sexual dimorphism in developmental traits in Drosophila melanogaster
<p>Sexual dimorphism in traits of insects during the developmental stages could potentially be the direct or indirect result of sex-specific selection provided that genetic variation for sexual dimorphism is present. We investigated genetic variation in sexual dimorphism in a set of <em>Drosophila melanogaster</em> inbred lines for two traits: egg to adult development time and pupation site preference. We observed considerable genetic variation in sexual dimorphism among lines in both traits. The sexual dimorphic patterns remained relatively consistent across multiple trials, despite both traits being sensitive to environmental conditions. Additionally, we measured two sexually dimorphic adult morphological traits in six sampled lines and investigated correlations in the sexual dimorphism patterns with the two developmental traits. The abundance of genetic variation in sexual dimorphism for <em>D. melanogaster </em>developmental traits demonstrated in this study provides evidence for a high degree of evolvability of sex differences in pre-adult traits in natural populations.</p>
Dataset from: Parapatric and sympatric adaptation of Setaria viridis populations in Japan to heterogeneous coastal habitats via trait divergence of plant form, salt spray tolerance and flowering time
<p>This study aimed to determine how coastal variants of<em> </em>plants arise from local populations under natural selection by studying variations in phenotypic variations and survival of <em>Setaria viridis</em> populations inhabiting mosaic environments of two seashores in Japan. <em>S.viridis</em> populations comprised five coastal variants showing significantly higher salt spray tolerance than the inland variant: ST, short and tolerant (common variant); TM, tall and mid-tolerant (Inland Sea); TT, tall and tolerant; PT, prostrate and tolerant; L, extremely late flowering; I, inland and susceptible variants. These variations imply that maritime plants first acquired salt spray tolerance for survival, after which compact plants evolved in habitats where strong winds caused damage from salt spray. Results indicate that diverse intensities of salt spray and winds as well as summer drought generated various coastal variations in parapatry and sympatry.</p>
Data from: Impact of environmental conditions on wood anatomical traits of green alder (Alnus alnobetula) at the alpine treeline
<p><strong>The data file</strong> (<em>Alnus alnobetula</em>_Wood anatomy.xlsx) contains all raw data, which have been used to create Figures 3-7 in the article.</p> <p> </p> <p><strong>Data are documented in the following article</strong>:</p> <p>Gruber A, G Wieser, M Fink, W Oberhuber (2024) Impact of environmental conditions on wood anatomical traits of green alder (<em>Alnus alnobetula</em>) at the alpine treeline.<strong> Forests, 15, 24; doi:10.3390/f15010024 <br></strong></p> <p> </p> <p><strong>Summary</strong></p> <p>Due to land use change, green alder (<em>Alnus alnobetula</em>), formerly restricted to moist slopes, is now expanding to drier south-facing sites at the alpine treeline. To evaluate wood anatomical adaptations, we analyzed vessel characteristics (mean vessel area, MVA; vessel density, VD; and theoretic conductive area, TCA) and axial parenchyma abundance, as well as their distribution in the annual ring at a moist north-facing and a dry south-facing site at the alpine treeline (2150 m asl) on Mt. Patscherkofel (Central European Alps, Austria). Results revealed that lower soil water availability and enhanced evaporative demand did not affect MVA, while VD and TCA were significantly reduced at the dry south-facing site. This suggests that in <em>A. alnobetula</em>, vessel size is a static trait whereas vessel number responds plastic. Harsh environmental conditions at the distributional limit of <em>A. alnobetula</em> led to a near semi-ring-porous distribution of vessels and an accumulation of parenchyma in the late growing season. We conclude that in a warmer and drier climate, physiological stress may set limits to the distribution of <em>A. alnobetula</em> at drought-prone sites at the alpine treeline.</p>
Traits information
Open the record for dataset details and reuse information.
Functional traits and size interact to influence growth and carbon sequestration among trees in urban greenspaces
<ol> <li>There is persistent uncertainty about how integrated plant functions, like growth, are mechanistically constrained and practically predicted by functional traits. For trees, these knowledge gaps persist for two reasons: first, studies of 'natural' forests are observational, with highly variable and confounding resource limitation and competition; second, most studies investigate only a few popular traits and ignore context-dependencies in trait-effects on growth (e.g., trait-environment or trait-ontogeny interactions).</li> <li>We assessed 17 traits as predictors of radial growth and aboveground carbon sequestration for 182 trees, including individuals of 42 species common to temperate cities. By focusing exclusively on planted trees growing in isolation, our unique study is a pseudo-experiment that spans a large range of taxonomic and trait variability and minimizes confounding effects of environmental heterogeneity (e.g., shifts in light availability with tree size). Focal traits included not only commonly measured traits related to leaf economics and plant size, but also wood traits and whole-plant phenology.</li> <li>Models with indices of tree ontogeny (size) and traits explained 80% and 72% of variability in relative growth and carbon sequestration, respectively, and traits accounted for ~20% of the variation. Traits related to said tree functions included leaf dry matter content (LDMC), leaf N content, mature height, wood anatomy, and phenology. LDMC was positively correlated with wood growth and C sequestration across all size classes, while the positive effects of leaf N, mature height, and wood density were only apparent for smaller trees. Ring-porous species had higher rates of growth and C sequestration than diffuse-porous species.</li> <li>Consistent with recent theory, growth rates of isolated, urban trees vary as a function of simple and interactive effects of traits and size. Our findings are useful for optimizing reforestation efforts in temperate cities, where planners and land managers can select species for rapid growth and C sequestration using freely available data for the 'effect' traits we identified, including wood anatomy and density, leaf N, and LDMC. Lastly, the trait-growth relationships we describe here may reflect those of 'naturally' isolated trees growing in savannas and/or woodlands and provide an insightful frame of reference for trees in closed-canopy forests.</li> </ol>
Quantifying how natural history traits contribute to bias in community science engagement: a case study using native and introduced orb weaver spiders in North America
<p>Raw data and R scripts for manuscript.</p>
Data from: The genomic basis of nitrogen utilization efficiency and trait plasticity to improve nutrient stress tolerance in cultivated sunflower
<p>Supplemental datafiles and raw genotype data for "The genomic basis of nitrogen utilization efficiency and trait plasticity to improve nutrient stress tolerance in cultivated sunflower" by Andries A. Temme, Kelly L. Kerr, Kristen M. Nolting, Emily L. Dittmar, Rishi R. Masalia, Alexander K. Bucksch, John M. Burke, Lisa A. Donovan. Journal of Experimental Botany 10.1093/jxb/erae025</p>
Exotic pet owners' preferences for different ectothermic taxa is based on species traits and purchase price in the United States
<p>Data set that supports the publication Pienaar, E.F., Sturgeon, D.J.E. (2024) Exotic pet owners’ preferences for different ectothermic taxa is based on species traits and purchase price in the United States. <em>Neobiota</em>, <span>91: 1-27</span>.</p>
Data and code for: Partitioning variance in a signaling trade-off under sexual selection reveals among-individual covariance in trait allocation
<p>Understanding the evolution of traits subject to trade-offs is challenging because phenotypes can (co)vary at both the among- and within-individual levels. Among-individual covariation indicates consistent, possibly genetic, differences in how individuals resolve the trade-off, while within-individual covariation indicates trait plasticity. There is also the potential for consistent among-individual differences in behavioral plasticity, although this has rarely been investigated. We studied the sources of (co)variance in two characteristics of an acoustic advertisement signal that trade off with one another and are under sexual selection in the gray treefrog, <em>Hyla chrysoscelis</em>: call duration and call rate. We recorded males on multiple nights calling spontaneously and in response to playbacks simulating different competition levels. Call duration, call rate, and their product, call effort, were all repeatable both within and across social contexts. Call duration and call rate covaried negatively, and the largest covariance was at the among-individual level. There was extensive plasticity in calling with changes in social competition, and we found some evidence for among-individual variance in call rate plasticity. The significant negative among-individual covariance in trait values is perpendicular to the primary direction of sexual selection in this species, indicating potential limits on the response to selection.</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.