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123 results for “woody species”
Data from: Fire-sensitive species dominate seed rain in a long unburned Cerrado: implications for plant community diversity and woody encroachment in savannas
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Data from: Effect of plant root symbionts on performance of native woody species in competition with an invasive grass in multispecies microcosms
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Contrasting mycorrhizal growth responses in native and invasive woody species are associated with distinct root trait syndromes
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Data from: What makes a leaf tough? Patterns of correlated evolution between leaf toughness traits and demographic rates among 197 shade-tolerant woody species in a neotropical forest
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Data from: Spotting the pests of tomorrow - Sampling designs for detection of species associations with woody plants
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Data from: Conservation of old individual trees and small populations is integral to maintain species’ genetic diversity of a historically fragmented woody perennial
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Data from: Linking DNA methylation with performance in a woody plant species
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Interactive effects of tree species mixture and climate on foliar and woody trait variation in a widely distributed deciduous tree
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Data from: Regeneration processes on coarse woody debris in mixed forests: do tree germinants and seedlings have species-specific responses when grown on coarse woody debris?
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Data from: Demography of the upward-shifting temperate woody species of the Rhododendron pseudochrysanthum complex and ecologically relevant adaptive divergence in its trailing edge populations
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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: Relationships between leaf mass per area and nutrient concentrations in 98 Mediterranean woody species are determined by phylogeny, habitat and leaf habit
Leaf structural and nutrient traits are key attributes of plant ecological strategies, as these traits are related to resource-use strategies and plant growth. However, leaf structure and nutrient composition can vary among different habitats, leaf habits or phylogenetic groups. In this study, we measured 13 leaf traits (one structural—leaf mass per area, LMA—and 12 nutrient traits) in 98 Mediterranean woody species growing over a wide range of environmental conditions, with the final aim of discerning the main causes of leaf trait variability. The variance decomposition results show that phylogeny, leaf habit and habitat type affected in several ways the structural and nutrient traits studied. Leaf nutrient concentrations are strongly positively correlated amongst themselves, and negatively correlated with LMA, in accordance with the "leaf economics spectrum". We found that leaf habit and phylogeny were important causes of variation in LMA and in a broad number of leaf nutrients (i.e., C, N, Mg, S, K), while other micronutrients seemed to be more dependent on the environment (i.e., Cu and Mn). In summary, our study reinforces the existence of the leaf economics spectrum in a broad pool of Mediterranean woody species, and demonstrates the strong influence of phylogeny, leaf habit and environmental context as the main drivers of variability in some leaf structural and nutrient traits.
Data from: Relationships between resprouting ability, species traits, and resource allocation patterns in woody species in a temperate forest
Many woody plants resprout to restore above-ground biomass after disturbances or to survive in stressful environments. Resprouting requires carbohydrate storage, but the general relationship between resource allocation patterns and resprouting ability remains unclear because it can be influenced by the disturbance regime to which species have adapted. We studied deciduous broadleaved trees that coexist in a Japanese cool-temperate forest to investigate the relationships among the biomass and total non-structural carbohydrate (TNC) allocation patterns of saplings, resprouting ability and functional traits. The study species comprised 16 single-stemmed species that only resprout when above-ground biomass loss occurs and eight multi-stemmed species that resprout regardless of whether above-ground damage occurs or not. Single-stemmed species with better juvenile resprouting ability had larger roots, whereas multi-stemmed species with better juvenile resprouting ability did not necessarily depend on below-ground reserves. Species that retain their ability to resprout until a larger size had a higher root TNC content as saplings, suggesting that they can survive major disturbances such as fire and coppicing by resprouting supported by TNC stored in their roots. Species with shade-tolerant traits (i.e. low foliar nitrogen indicating low photosynthetic capacity, high wood density indicating high defensive investment) had small below-ground TNC reserves irrespective of resprouting types. On the other hand, multi-stemmed species with high wood density and high LMA (indicating high photosynthetic capacity) had small above-ground TNC reserves. Contrary to our hypothesis, a species' maximum size did not relate to the size of its below-ground reserves. By considering the differences in resprouting types, we suggest more complex control of resprouting than was formerly proposed. Variation in the resprouting ability of single-stemmed species was based on a trade-off between below-ground reserves for resprouting and shade-tolerant traits. However, multi-stemmed species can vigorously resprout irrespective of the size of its below-ground reserves. Their multi-stemmed architecture, well-defended wood, high photosynthetic capacity or large above-ground carbohydrate reserves seem to respectively contribute to their persistence. Such variation in the resprouting strategy based on a trade-off between shade tolerance and resource storage would promote species coexistence under a range of disturbance regimes and light environments.
Can prescribed fires restore C4 grasslands invaded by a C3 woody species and a co-dominant C3 grass species?
<p>Prescribed fire is used to reduce woody plant invasion and restore herbaceous production and diversity in grasslands and savannas worldwide. Here we determined if a concentrated series of repeated-winter, repeated-summer, or alternate-season (winter and summer) fires in a short timeframe ("transition fires") could catalyze the restoration of C<sub>4</sub> perennial grasses in Southern Great Plains, USA grasslands that had become dominated by a fire-tolerant C<sub>3</sub> woody N<sub>2</sub>-fixer (honey mesquite, <i>Prosopis glandulosa</i>) and a C<sub>3</sub> perennial bunchgrass (Texas wintergrass, <i>Nassella leucotricha</i>). We applied transition fires over a 5-year span, and maintenance fires on a portion of each plot 7 or 8 years later. We measured herbaceous standing biomass and cover and soil variables (soil organic C, N, δ<sup>13</sup>C and δ<sup>15</sup>N) in unburned, transition-burned and maintenance-burned treatments. Greater δ<sup>13</sup>C at 10-20 (-17 ‰) than 0-10 (-20 ‰) cm depth increment confirmed that vegetation was historically mostly C<sub>4</sub> grassland that shifted towards C<sub>3</sub> dominance. Transition treatments with summer fire were most effective at top-killing mesquite, but no treatments root-killed >3%. Regrowth of top-killed mesquite was similar in all treatments and reached pre-fire height by 9 to 10 years post-fire. Herbaceous production and cover responses showed that: (1) alternate-season transition fires increased C<sub>4</sub> mid-grass, but did not change Texas wintergrass, (2) repeated-summer fires reduced Texas wintergrass, but did not change C<sub>4</sub> mid-grass, and (3) repeated-winter fires did not change C<sub>4</sub> mid-grass or Texas wintergrass compared to the unburned control. All maintenance fires stimulated Texas wintergrass biomass and cover, thus eliminating the reduction of Texas wintergrass caused by repeated-summer transition fires. There were no long-term effects of transition fires on soil C, N, δ<sup>13</sup>C or δ<sup>15</sup>N. Results advance our understanding of the expectations and limitations of prescribed fire in shifting a woodland alternate state toward what was historically a fire supported C<sub>4</sub> grassland/savanna.</p>
Fig. 3. – Species prediction for a grid cell. A in Geographical patterns of woody plants' functional traits in Burkina Faso
Fig. 3. – Species prediction for a grid cell. A. Percentage of species flowering in rainy season; B. Percentage of species having dry fruits; C. Percentage of species having dehiscent fruits; D. Average of minimal fruit length.
Climatic drivers of the global biogeography of simple- and compound-leaved woody species
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Supplementary material 1 from: Dyderski MK, Jagodziński AM (2019) Functional traits of acquisitive invasive woody species differ from conservative invasive and native species. NeoBiota 41: 91-113. https://doi.org/10.3897/neobiota.41.31908
: Link: https://doi.org/10.3897/neobiota.41.31908.suppl1
FIGURE 3 in Chusquea yungasensis (Bambusoideae, Poaceae): a new species of woody bamboo from South America and the first record of subgenus Rettbergia in Bolivia
FIGURE 3. Geographic distribution of Chusquea yungasensis.
FIGURE 7 in Pseudoxytenanthera madhavii (Poaceae: Bambusoideae), a new species of woody bamboo from the northern Western Ghats, India
FIGURE 7. Type location of Pseudoxytenanthera madhavii
Data from: Relationships between leaf mass per area and nutrient concentrations in 98 Mediterranean woody species are determined by phylogeny, habitat and leaf habit
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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.