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9,671 results for “Leaf”
MOTS-annotated UAV Vineyard Dataset captured using Multiple Perspectives to avoid Leaf Occlusion for Object Detection and Tracking
<p>This dataset contains UAV RGB videos (MP4) recorded with a Phantom4 RTK in a vineyard during the harvesting campaign of 2023. It also includes frames and annotations (PNG) to boost Object Detection and Tracking of grape bunches. There are two types of videos: (1) videos capturing the side of the canopy from a frontal point of view only, and (2) videos that collect the data from multiple perspectives to avoid leaf occlusion, common in commercial vineyards. All flights were executed 3 meters above ground level, with a clear sky and wind speed below 0.5 m/s. </p>
The synergy of intrinsic ecological mechanisms of leaf nutrient resorption in temperate deciduous trees
<p>Nutrient resorption is a critical process in plant nutrient conservation during leaf senescence. However, the underlying ecological mechanisms on the large variabilities in nitrogen (NRE) and phosphorous (PRE) resorption efficiencies remain poorly understood. We conducted a comprehensive study on NRE and PRE variability using 61 tree individuals of 10 temperate broadleaved tree species. Three potentially interrelated intrinsic ecological mechanisms (i.e., leaf pigments, energy residual and leaf senescence phenology) were verified. We found that delayed leaf senescence date, increased degradation of chlorophyll and carotenoids, biosynthesis of anthocyanins, and reduced nonstructural carbohydrates (particular sugars) coordinately and positively related with NRE and PRE. The intrinsic factors affecting the resorption efficiency were ranked in a decreasing order: leaf pigments > energy residual > senescence phenology. Our findings underscore the synergistic effect of the three ecological mechanisms on leaf nutrient resorption, and hold significant implications for comprehending how nutrient resorption responds to climate change.</p>
Molecular Cartography of candidate leaf vein patterning regulators in shoot apices of maize
<p>Molecular Cartography data generated using the platform proprietary of Resolve BioSciences GmbH. This dataset constitute the supporting information of the following manuscripts: "The WIP6 transcription factor <em>TOO MANY LATERALS</em> specifies vein type in C<sub>4</sub> and C<sub>3</sub> grass leaves" (Vlad et al. https://doi.org/10.1101/2023.12.20.572592), "Spatial transcriptomics reveals distinct lineage identities for major and minor vein initiation during maize leaf development" (Perico et al. https://doi.org/10.1101/2024.02.05.578898).</p> <p>The dataset is constituted of six samples and is structured as follows:</p> <p>1) Images.zip: contains Calcofluor White and DAPI .tiff images used for cell segmentation.</p> <p>2) Cell outlines.zip: contains the zip file of all segmented cells (ROIs) in all analysed samples. </p> <p>3) Raw data.zip: contains all raw data (in .txt format) of the spatial transcriptomics fluorescent signal.</p> <p>Files that refer to the same samples are labelled the same across all folders. The sample names are: E1B2, E1D2, S1A1, S1A2, S1B1, S1B2.</p>
Figure 5 in Green, charismatic, microendemic, and threatened: breeding biology of the leaf frog Pithecopus rusticus (Anura: Hylidae: Phyllomedusinae)
Figure 5. Relative frequency of the observations of calling males of Pithecopus rusticus regarding the air temperature from September 2015 to February 2016, in the municipality of Água Doce, Santa Catarina State, southern Brazil.
Figure 4 in Green, charismatic, microendemic, and threatened: breeding biology of the leaf frog Pithecopus rusticus (Anura: Hylidae: Phyllomedusinae)
Figure 4. Absolute abundance of Pithecopus rusticus recorded in two ponds and one marsh from September 2015 to February 2016, in the municipality of Água Doce, Santa Catarina State, southern Brazil.
Figure 3 in Green, charismatic, microendemic, and threatened: breeding biology of the leaf frog Pithecopus rusticus (Anura: Hylidae: Phyllomedusinae)
Figure 3. Rose diagram representing the circannual distribution of Pithecopus rusticus abundance recorded in two ponds and one marsh in the breeding seasons of 2015/16 (A) and 2017/18 (B), in the municipality of Água Doce, Santa Catarina State, southern Brazil. The angles represent the months (1 month = 30°), the mean angle and the circular standard deviation are shown in red, and the frequency of occurrence at each angle is represented in grey. Illustrative images of calling male, ovulating females and spawning are include in the diagram.
Figure 1 in Green, charismatic, microendemic, and threatened: breeding biology of the leaf frog Pithecopus rusticus (Anura: Hylidae: Phyllomedusinae)
Figure 1. Study area of the natural history of Pithecopus rusticus, in the municipality of Água Doce, Santa Catarina State, southern Brazil.
Figure 2 in Green, charismatic, microendemic, and threatened: breeding biology of the leaf frog Pithecopus rusticus (Anura: Hylidae: Phyllomedusinae)
Figure 2. Number of recaptures of each individual in the breeding seasons of 2015/16 (A) and 2017/18 (B) in the municipality of Água Doce, Santa Catarina State, southern Brazil.
Figure 6 in Green, charismatic, microendemic, and threatened: breeding biology of the leaf frog Pithecopus rusticus (Anura: Hylidae: Phyllomedusinae)
Figure 6. Pithecopus rusticus pairs in amplexus (A) and spawning in Senecio leaf (B). Photos: VIMB (A) and JPB (B).
Strategies of air space acquisition in Neotropical savanna trees differing in leaf habit
<p>Strategies of air space acquisition in Neotropical savanna trees differing in leaf habit - Manuscript submitted to the Australian Journal of Botany</p>
Data for: Variation in the role of the flag leaf in the reproductive effort of semi-arid rangeland bunchgrasses
<p>This is the complete data set used in the manuscript titled "Variation in the role of the flag leaf in the reproductive effort of semi-arid rangeland bunchgrasses". It includes the responses of total propagule production, percentage of filled and unfilled seeds, and filled seed-specific mass in response to seed head shading and flag leaf removal in two semi-arid perennial bunchgrasses, crested wheatgrass (<em>Agropyron cristatum</em>) and squirreltail wild rye (<em>Elymus elemoides</em>). Seasonal volumetric soil moisture data is also provided.</p>
Leaf traits and leaf-to-air temperature differences in tropical plants suggest variability in thermoregulatory capacities across elevations
<p>Understanding thermoregulation in plants is critical to predicting the consequences of global warming on terrestrial ecosystems. I present empirical evidence that leaf traits and leaf-to-air temperature differ among plants from a tropical elevation gradient. These findings suggest the existence of specific plant adaptations for thermoregulation across varying elevational zones.</p>
Orobanche uniflora (Orobanchaceae) - leaf - basal or on lower stem
Image of Orobanche uniflora (Orobanchaceae) - leaf - basal or on lower stem
Pedicularis canadensis (Scrophulariaceae) - leaf - basal or on lower stem
Image of Pedicularis canadensis (Scrophulariaceae) - leaf - basal or on lower stem
Pedicularis canadensis (Scrophulariaceae) - leaf - basal or on lower stem
Image of Pedicularis canadensis (Scrophulariaceae) - leaf - basal or on lower stem
Hydrastis canadensis (Ranunculaceae) - leaf - basal or on lower stem
Image of Hydrastis canadensis (Ranunculaceae) - leaf - basal or on lower stem
Viola palmata (Violaceae) - leaf - basal or on lower stem
Image of Viola palmata (Violaceae) - leaf - basal or on lower stem
Pedicularis canadensis (Scrophulariaceae) - leaf - unspecified
Image of Pedicularis canadensis (Scrophulariaceae) - leaf - unspecified
Aesculus glabra (Hippocastanaceae) - leaf - whole upper surface
Image of Aesculus glabra (Hippocastanaceae) - leaf - whole upper surface
Aesculus glabra (Hippocastanaceae) - leaf - showing orientation on twig
Image of Aesculus glabra (Hippocastanaceae) - leaf - showing orientation on twig
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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.