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555 results for “Woody”
Synchronous and asynchronous root and shoot phenology in temperate woody seedlings
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Preserving the woody plant tree of life in China under future climate and land-cover changes
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Data from: Leafing intensity and the fruit size/number trade-off in woody angiosperms
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Data from: The abundance and distribution of guilds of riparian woody plants change in response to land use and flow regulation
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Data from: Island woodiness underpins accelerated disparification in plant radiations
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Data from: Insular woody daisies (Argyranthemum , Asteraceae) are more resistant to drought-induced hydraulic failure than their herbaceous relatives
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Data from: Scaling of shoot and root respiration of woody and herbaceous plants
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Woody encroachment of grasslands: near-surface thermal implications through the lens of an astronomical event
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High-intensity fires may have limited medium-term effectiveness for reversing woody plant encroachment in an African savanna
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Data from: Somatic deleterious mutation rate in a woody plant: estimation from phenotypic data
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Data from: Invasive plants accelerate nitrogen cycling: evidence from experimental woody monocultures
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Data from: Shoot growth of woody trees and shrubs is predicted by maximum plant height and associated traits
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Data from: Leaf traits of African woody savanna species across climate and soil fertility gradients: evidence for conservative vs. acquisitive resource use strategies
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Data from: Estimation of woody and herbaceous leaf area index in Sub-Saharan Africa using MODIS data
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Data from: Woody cover in wet and dry African savannas after six decades of experimental fires
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Topography strongly affects drought stress and xylem embolism resistance in woody plants from a karst forest in Southwest China
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Common buckthorn (Rhamnus cathartica) invasion exacerbates white-tailed deer (Odocoileus virginianus) browsing on native woody plants
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Uncovering dryland woody dynamics using optical, microwave, and field data: Prolonged above-average rainfall paradoxically contributes to woody plant die-off in the western Sahel
<p>Data accompanying the paper:</p> <p>Bernardino, P., Brandt, M., De Keersmaecker, W., Horion, S., Fensholt, R., Storms, I., Wigneron, JP., Verbesselt, J. and Somers, B. 2020. Uncovering dryland woody dynamics using optical, microwave, and field data: Prolonged above-average rainfall paradoxically contributes to woody plant die-off in the western Sahel. <em>Remote Sensing</em>, 12(14), 2332.</p>
Shade is the most important factor limiting growth of a woody range expander
The expansion of woody plants into grasslands and old fields is often ascribed to fire suppression and heavy grazing, especially by domestic livestock. However, it is also recognized that nutrient availability and interspecific competition with grasses and other woody plants play a role in certain habitats. I examined potential factors causing range- and niche expansion by the eastern redcedar Juniperus virginiana, the most widespread conifer in the eastern United States, in multifactorial experiments in a greenhouse. Historical records suggest that the eastern redcedar is a pioneer forest species, and may be replaced as the forest increases in tree density due to shading. Another possible factor that affects its distribution may be nutrient availability, which is higher in old fields and other disturbed lands than in undisturbed habitats. In its historic range, eastern redcedars are particularly abundant on limestone outcrops, often termed 'cedar barrens'. However, the higher abundance on limestone could be due to reduced interspecific competition rather than a preference for high pH substrates. I manipulated shade, fertilization, lime, and interspecific competition with a common dominant tree, the post oak Quercus stellata . In a separate experiment, I manipulated fire and grass competition. I measured growth rates (height and diameter) and above- and belowground biomass at the end of both experiments. I also measured total non-structural carbohydrates and nitrogen in these plants. Shade was the most important factor limiting the growth rates and biomass of eastern redcedars. I also found that there were significant declines in nitrogen and non-structural carbohydrates when shaded. These results are consistent with the notion that the eastern redcedar is a pioneer forest species, and that shade is the reason that these redcedars are replaced by other tree species. In the second experiment, I found that a single fire had a negative effect on young trees. There was no significant effect of competition with grass, perhaps because the competitive effect was shading by grasses and not nutrient depletion. Overall, the effects of shade were far more apparent than the effects of fire.
Data from: N/P imbalance as a key driver for the invasion of oligothrophic dune systems by a woody legume
Oligotrophic ecosystems, previously considered to be more resilient to invasive plants, are now recognised to be highly vulnerable to invasions. In these systems, woody legumes show belowground ecosystem engineering characteristics that enable invasion, however, the underlying processes are not well understood. Using a Portuguese primary dune ecosystem as an oligotrophic model system, belowground biomass pools, turnover rates and stoichiometry of a native (Stauracanthus spectabilis) and an invasive legume (Acacia longifolia) were compared and related to changes in the foliage of the surrounding native (Corema album) vegetation. We hypothesized that the invasive legume requires less phosphorus per unit of biomass produced and exhibits an enhanced nutrient turnover compared to the native vegetation, which could drive invasion by inducing a systemic N/P imbalance. Compared with the native legumes, A. longifolia plants had larger canopies, higher SOM levels and lower tissue P concentrations. These attributes were strongly related to legume influence as measured by increased foliar N content and less depleted δ15N signatures in the surrounding C. album vegetation. Furthermore, higher root N concentration and increased nutrient turnover in the rhizosphere of the invader were associated with depleted foliar P in C. album. Our results emphasize that while A. longifolia itself maintains an efficient phosphorus use in biomass production, at the same time it exerts a strong impact on the N/P balance of the native system. Moreover, this study highlights the engineering of a belowground structure of roots and rhizosphere as a crucial driver for invasion, due to its central role in nutrient turnover. These findings provide new evidence that, under nutrient-limited conditions, considering co-limitation and nutrient cycling in oligotrophic systems is essential to understand the engineering character of invasive woody legumes.
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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)
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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.