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828 results for “species trait”
Plant community impact on productivity: trait diversity or key(stone) species effects?
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Data from: Nitrogen enrichment and warming shift community functional composition via distinct mechanisms: the role of intraspecific trait variability and species turnover
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Combined morphological trait values (PC1–PC5) of the 9,150 freshwater fish species all over the world
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Data from: Defense traits of larval Drosophila melanogaster exhibit genetically based tradeoffs against different species of parasitoids
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Data from: Relationships between resprouting ability, species traits, and resource allocation patterns in woody species in a temperate forest
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Data from: Species pools and environmental sorting control different aspects of plant diversity and functional trait composition in recovering grasslands
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Data from: Rapid diversification of sperm precedence traits and processes among three sibling Drosophila species
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Data from: Effects of plant and pollinator traits on the maintenance of a food deceptive species within a plant community
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Data from: Amphibian species' traits, evolutionary history, and environment predict Batrachochytrium dendrobatidis infection patterns, but not extinction risk
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Data from: Hydrology, shore morphology and species traits affect seed dispersal, germination and community assembly in shoreline plant communities
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Host plant defense produces species-specific alterations to flight muscle protein structure and flight-related fitness traits of two armyworms
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Data from: Intraspecific variations in leaf traits, productivity, and resource use efficiencies in the dominant species of subalpine evergreen coniferous and deciduous broad-leaved forests along the altitudinal gradient
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Differential resistance and acclimation of two coral species to chronic nutrient enrichment reflect life history traits
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The impact of species-wide gene expression variation on Caenorhabditis elegans complex traits
GEO Series GSE186719. Caenorhabditis elegans. 609 samples. Type: Expression profiling by high throughput sequencing.
Mate choice in the brain: Species differ in how male traits ‘turn on’ gene expression in female brains
GEO Series GSE263554. Gasterosteus aculeatus. 53 samples. Type: Expression profiling by high throughput sequencing.
Data from: A framework for detecting natural selection on traits above the species level
To what extent can natural selection act on groupings above the species level? Despite extensive theoretical discussion and growing practical concerns over increased rates of global ecological turnover, the question has largely evaded empirical resolution. A flexible and robust hypothesis-testing framework for detecting the phenomenon could facilitate significant progress in resolving this issue. We introduce a permutation-based approach, implemented in the R package perspectev, which provides an explicit test of whether empirical patterns of correlation between upper level trait values and survivorship are reducible to correlations manifested at lower levels. The package is applicable to virtually any nested set of upper- and lower level groupings, a wide variety of upper level traits, and both historical and contemporary occurrence data. We apply this approach to five paleontological data sets that represent different magnitudes of extinction and differ in taxonomic breadth, geological timing and geographic extent. Using simulations, we demonstrate that this method is a robust means of detecting irreducibility in the relationship between upper level traits and survivorship, and outline circumstances in which the method is less effective. We also find evidence consistent with previous findings of selection above the species level for geographic range size in North American K-Pg molluscs and show that this phenomenon was evident for the same molluscan genera globally. Ultimately, we conclude that at certain points in history, some higher level taxonomic groups have survived differentially with respect to geographic range size in a manner that is not explained by the same trait at the species level, and we show that evidence for this phenomenon varies across taxa and extinction events. We release our method as a flexible and easy-to-use R package that will allow others to help determine the relative frequency of this macroevolutionary phenomenon, both in the fossil record and in estimates of contemporary extinction risk.
ArchiWood: dataset of legacy documents about wood anatomical, morphological, and architectural traits for plant species in Madagascar
<p><strong>Abstract</strong></p> <p>Digitization of a part of CIRAD's' xylotheque, one of the most important collections of tropical timber in the world, now allows researchers, experts in the field, trainers and archaeologists to have a new source of homogenized information. This corpus constitutes a unique database on the botanical characteristics of many species of Madagascar and could feed the research in both ecological and systematic fields by the possibility to define traits and criteria usable for example in phylogeny or functional ecology.</p> <p>The island of Madagascar presents a remarkable floristic diversity, with a very high rate of endemism, making it a permanent laboratory for the study of the mechanisms governing evolution.</p> <p>The digitization project was conducted in close coordination with other projects currently underway involving the same partners. 995 species are concerned by the ArchiWood project: 3 planes of anatomical sections for each species, associated with a total of 100 field notebooks (architectural sketches) and 20,000 slides.</p> <p><strong>Contents</strong></p> <p>This dataset is composed of digitized legacy documents, all related to Madagascar biodiversity:</p> <ul> <li>More than 2,300 illustrations and notes taken from field notebooks</li> <li>More than 1,200 anatomical cuts</li> <li>More than 70 photographs of plants and landscapes</li> </ul> <p><strong>Methods</strong></p> <p><em>Digitization of anatomical cuts</em><br> For each species, there are 3 anatomical cuts associated with the 3 planes of symmetry of the material: radial, tangential and longitudinal. Each cut was scanned using an Olympus DP71 digital camera fitted on an Olympus BX60 microscope. The shooting software that drives the camera is Archimed from Microvision Instruments. The image format is 24 bits colored TIFF. Each image is 1600 x 1200 pixels for 3 different magnifications of the microscope: x40 (overview of the cut), x200 (main features anatomical from IAWA), x400 (highlighting fine lines such as punctuations).</p> <p><em>Digitization of sketches (from field notebooks) </em><br> The digitized information in the field notebooks is made up of architectural sketches (with descriptive notes). The slides include additional remarkable visual information of field sketches (flowers, fruits, overview, geographical implantation conditions…). The sketches were scanned using a resolution of 300 dpi, 24 bits colors in JPEG format.</p> <p><em>Digitization of photographs (24 x 36 mm)</em><br> The photographs were scanned at 600 dpi, 24 bits colors in JPEG format.</p> <p><strong>File management and data quality control</strong></p> <p>Controlling images and adding metadata operations were carried out by the researchers concerned in their field of activity (anatomy, botany, architecture). The homogenization and final harmonization of the metadata and data was carried out by the data manager.<br> </p>
Figure A1 in A student-based expansion of the strategies of reproduction in fish (STOREFISH) database to 288 North American freshwater and anadromous species for 14 egg and larval traits
Figure A1. – Box-plots for the first four survey questions (Q1-Q4). See Table A1 for explanations.
Data from: How weather instead of urbanity measures affects song trait variability in three European passerine bird species
Previous studies detected an influence of urban characteristics on song traits in passerine birds, that is, song adjustments to ambient noise in urban areas. Several studies already described the effect of weather conditions on the behavior of birds, but not the effect on song traits. We investigate, if song trait variability changes along a continuous urbanity gradient in Frankfurt am Main, Germany. We examined, for the first time on a larger scale, the influence of weather on song parameters. We made song recordings of three common passerine species: the blue and great tit (Cyanistes caeruleus (Linnaeus, 1758) and Parus major Linnaeus, 1758) and the European blackbird (Turdus merula Linnaeus, 1758). We measured different song traits and performed statistical analyses and modeling on a variety of variables—among them urbanity and weather parameters. Remarkably, we found only few cases of a significant influence of urbanity parameters on song traits. The influence of weather parameters (air pressure, atmospheric humidity, air and soil temperatures) on song traits was highly significant. Birds in Frankfurt face high noise pollution and might show different adaptations to high noise levels. The song trait variability of the investigated species is affected more by weather conditions than by urban characteristics in Frankfurt. However, the three species react differently to specific weather parameters. Smaller species seem to be more affected by weather than larger species.
Figure 9 from: DeWalt R, Cao Y, Tweddale T, Grubbs S, Hinz L, Pessino M, Robinson J (2012) Ohio USA stoneflies (Insecta, Plecoptera): species richness estimation, distribution of functional niche traits, drainage affiliations, and relationships to other states. ZooKeys 178: 1-26. https://doi.org/10.3897/zookeys.178.2616
Figure 9 - Comparison of Ohio Plecoptera assemblage with Midwest states/provinces.
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.