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25 results for “fire traits”
Root traits reveal safety and efficiency differences in grasses and shrubs exposed to different fire regimes
<p>Roots are key components of terrestrial ecosystems, yet little is known about how root structure and function vary across a broad range of species, functional groups, and ecological gradients <i>in situ</i>.</p> <p>We assessed how woody and grass root anatomical traits vary among soil depths and different fire frequencies to better understand the water-use strategies exhibited by these two functional groups in tallgrass prairie experiencing woody encroachment. Specifically, we asked: (1) Do root anatomical traits differ with fire frequency or soil depth? (2) Do relationships between anatomical traits that confer hydraulic safety versus efficiency vary by fire frequency or soil depth? (3) Is root anatomy associated with integrative root traits (e.g., root diameter, specific root length (SRL), and root biomass)? (4) When scaled by root biomass, do root water-use traits impact the capacity for water uptake?</p> <p>We collected grass and woody roots from 10, 30, and 50 cm deep soil in areas burned every 1, 4, and 20-years. We then measured xylem conduit diameter, conduit cell wall thickness, conduit number, conduit mechanical safety (t/b), stele area, endoderm thickness, hydraulic diameter, theoretical hydraulic conductivity, and root-system theoretical hydraulic conductance.</p> <p>We observed: (1) Woody roots had high hydraulic conductance in shallow soils and greater mechanical strength in deeper soils, which may provide a competitive advantage in less frequently burned, more diverse plant communities; (2) Shallow grass roots had unique trait combinations at the anatomical and root-system levels (thinner, more numerous conduits and higher root-system hydraulic conductance compared to deeper roots) that likely allow these plants to rapidly use water but tolerate dry soils under multiple fire regimes; and (3) hydraulic safety versus efficiency tradeoffs translate between different hierarchical scales (i.e., from anatomical to integrative root traits).</p> <p>These results provide anatomical evidence to explain water-use dynamics in tallgrass prairie and also provide novel insight regarding functional strategies that may facilitate the conversion from grassland to shrubland in less frequently burned tallgrass prairie. Future work should investigate these dynamics <i>in situ</i>, as they may explain current and future patterns of woody-grass coexistence in tallgrass prairies.</p>
A Global Perspective of the Functional Trait Responses of Graminoids to the Seasonality of Fire
<p>The dataset is data used for meta-analysis of graminoid functional trait responses to different seasons of fire</p>
Root traits reveal safety and efficiency differences in grasses and shrubs exposed to different fire regimes
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Fire and functional traits: using functional groups of birds and plants to guide management in fire-prone, heathy woodland ecosystem
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Belowground organs and bud bank: Insights on morphoanatomical functional traits related to fire
<p>Dataset available for the paper "Belowground organs and bud bank: Insights on morphoanatomical functional traits related to fire", Received: 30 January 2023 / Revised: 11 September 2023 / Accepted: 14 September 2023, at Folia Geobotanica.</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.