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211 results for “plant ecology”
Figure 2 from: Müller C, Bräutigam A, Eilers EJ, Junker RR, Schnitzler J-P, Steppuhn A, Unsicker SB, van Dam NM, Weisser WW, Wittmann MJ (2020) Ecology and Evolution of Intraspecific Chemodiversity of Plants. Research Ideas and Outcomes 6: e49810. https://doi.org/10.3897/rio.6.e49810
Figure 2 Parallel research approaches in individual project parts and synergies of this RU.
Data from: Effects of livestock grazing on soil, plant functional diversity and ecological traits vary between regions with different climate in northeastern Iran
Understanding the responses of vegetation characteristics and soil properties to grazing in different precipitation regimes is useful for the management of rangelands, especially in the arid regions. In northeastern Iran, we studied the responses of vegetation to livestock grazing in three regions with different climate: arid, semi-arid and sub-humid. In each region, we selected 6-7 pairwise sampling areas of high versus low grazing intensity and six traits of the present species were recorded on 1 m2 plots - 5 grazed and 5 ungrazed in each area. The overall fertility was compared using the dissimilarity analysis, linear mixed-effect models were used to compare the individual fertility parameters, functional diversity indices and species traits between the plots with high and low grazing intensity and between the climatic regions. Both climate and grazing, as well as their interaction, affected fertility parameters, functional diversity indices and the representation of species traits. Grazing reduced functional evenness, height of the community, the representation of annuals, but increased the community leaf area. In the sub-humid region, grazing also reduced functional richness. Further, grazing decreased the share of annual species in the semi-arid region and seed mass in the arid region. Larger leaf area and seed mass, smaller height and lower share of annuals were associated with intensive grazing. Species with large LA and seed mass, lower height and perennials can be therefore presumed to tolerate trampling and benefit from high nutrient levels, associated with intensive grazing. By providing a detailed view on the impacts of overgrazing, this study highlights the importance of protection from grazing as an effective management tool for maintaining the pastoral ecosystems. In general, the composition of plant traits across the pastures of northeastern Iran was more affected by intensive grazing compared to climate.
The Ecology of Plant Hummingbird Interactions (EPHI) - Brazil
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Joint control of plant ecological strategy by climate, regeneration mode, and ontogeny in Northeastern Chinese forests
Research on how plant ecological strategies (competitive, stress-tolerant, or ruderal) vary within species may improve our understanding of plant and community responses to climate warming and also successional changes. With increasing temperature, the importance of ruderal (R) and stress-tolerance (S) components is hypothesized to decrease, while the strength of the competitive (C) component should increase. Offshoots and younger plants are predicted to have greater R and smaller S components. Leaf area, leaf dry matter content, and specific leaf area were measured for 1,344 forest plants belonging to 134 species in Northeastern China, and C, R, and S scores calculated for each. Linear mixed effect models were used to assess how these indicators differed among study sites (n = 2), regeneration types, ontogenetic stages, and plant life forms. The two study sites have an average annual temperature difference of 0.675°C, simulating a temperature increase of 0.630°C due to climate warming. Higher temperatures reduce low-temperature stress and frost damage, which may explain the observed decrease in R and S scores; at the same time, plant competitive ability increased, as manifested by higher C scores. This effect was most pronounced for herbs, but nearly negligible as compared to the effect of regeneration type for trees and of ontogeny for woody species. Resprouting trees and younger woody plants had higher R scores and lower S scores, a sign of adaptation to high disturbance. A small increase in mean annual temperature led to shifts in CSR strategy components for herbaceous species, without altering the vegetation type or community composition. Offshoots and younger plants had higher R and lower S scores, shedding light on similar changes in the ecological strategies of tree communities during secondary succession, such as the transition of Quercus mongolica coppices to forest, and age-related changes in Populus davidiana-Betula platyphylla forests.
Joint control of plant ecological strategy by climate, regeneration mode, and ontogeny in Northeastern Chinese forests
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Data from: Effects of livestock grazing on soil, plant functional diversity and ecological traits vary between regions with different climate in northeastern Iran
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Drivers of the ecological stoichiometry of plant C/N/P ratios due to negative density dependence in wheat
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Fig. 3 in Flowering phenology of co-occurring Asteraceae: a matter of climate, ecological interactions, plant attributes or of evolutionary relationships among species?
Fig. 3 Flowering phenology of 43 Asteraceae species in Chaco Serrano forests of La SerranitaLos Aromos separated in three groups: (A) 'massive blooming', (B) 'sparse blooming', (C) 'intermediate' species (see Results Section). Numbers indicate the species detailed in Table 1; lines represent their flowering times; ♦ = flowering midpoint (week in center of recorded flowering period)
Fig. 3 in Pauesia species (Hymenoptera: Braconidae: Aphidiinae) attacking Eulachnini aphids (Hemiptera: Aphididae: Lachninae) on coniferous plants in Lithuania: ecological and mitochondrial COI diversity
Fig. 3 Maximum likelihood tree of Pauesia species attacking Eulachnini aphids in Lithuania and samples identified as P. pini and P. juniperorum from GenBank based on partial COI sequences. Bootstrap test values for ML (left) and MP (middle), and BI posterior probabilities (right) are indicated. For details, see Supplementary Fig. 1
Fig. 1 in Pauesia species (Hymenoptera: Braconidae: Aphidiinae) attacking Eulachnini aphids (Hemiptera: Aphididae: Lachninae) on coniferous plants in Lithuania: ecological and mitochondrial COI diversity
Fig. 1 Sites of aphid collection in 2018–2019 in four Climatic regions of Lithuania. Locali- ties where parasitoids were also found are shown as black circles. 1—Coastal, 2—Samogitian, 3—Middle Lithuanian lowland, 4—Southeastern highlands
Internal reference gene selection under salt, alkali, and drought stresses in ecological remediation plant giant reed
GEO Series GSE190890. Arundo donax. 32 samples. Type: Expression profiling by RT-PCR.
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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.