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22,710 results for “Plant”
Plant dispersal strategies of high tropical alpine communities across the Andes
<p>• Dispersal is a key ecological process that influences plant community assembly. Therefore, understanding whether dispersal strategies are associated with climate is of utmost importance, particularly in areas greatly exposed to climate change. We examined alpine plant communities located in the mountain summits of the tropical Andes across a 4000 km latitudinal gradient. We investigated species dispersal strategies and tested their association with climatic conditions and their evolutionary history.</p> <p>• We used dispersal-related traits (dispersal mode and growth form) to characterize dispersal strategies for 486 species recorded on 49 mountain summits. Then we analysed the phylogenetic signal of traits and investigated the association between dispersal traits, phylogeny, climate and space using structural equation modelling and fourth-corner analysis together with RLQ ordination.</p> <p>• A median of 36% species in the communities were anemochorous (wind-dispersed) and herbaceous. This dispersal strategy was followed by the barochory-herb combination (herbaceous with unspecialised seeds, dispersed by gravity) with a median of 26.3% species in the communities. The latter strategy was common among species with distributions restricted to alpine environments.</p> <p>• While trait states were phylogenetically conserved, they were significantly associated with a temperature gradient. Low minimum air temperatures, found at higher latitudes/elevations, were correlated with the prevalence of barochory and the herb growth form, traits that are common among Caryophyllales, Brassicaceae and Poaceae. Milder temperatures, found at lower latitudes/elevations, were associated with endozoochorous, shrub species mostly from the Ericaceae family. Anemochorous species were found all along the temperature gradient, possibly due to the success of anemochorous Compositae species in alpine regions. We also found that trait state dominance was more associated with the climatic conditions of the summit than with community phylogenetic structure. Although the evolutionary history of the tropical Andean flora has also shaped dispersal strategies, our results suggest that the environment had a more predominant role.</p> <p>• Synthesis: We showed that dispersal related traits are strongly associated with a gradient of minimum air temperatures in the Andes. Global warming may weaken this key filter at tropical alpine summits, potentially altering community dispersal strategies in this region and thus, plant community structure and composition.</p>
Data for Solar Field Output Temperature Optimization Using a MILP Algorithm and a 0D Model in the Case of a Hybrid Concentrated Solar Thermal Power Plant for SHIP Applications
<p>These data were generated for the Open-Acces Article :</p> <p>Kamerling, S.; Vuillerme, V.; Rodat, S. Solar Field Output Temperature Optimization Using a MILP Algorithm and a 0D Model in the Case of a Hybrid Concentrated Solar Thermal Power Plant for SHIP Applications. <em>Energies</em> <strong>2021</strong>, <em>14</em>, 3731. https://doi.org/10.3390/en14133731</p> <p>In these dataset, the data for the Case Study and the Sensitivity Analysis are available. Jupyter Notebooks for further process of these data are also available. The NoteBooks AnalyseHourlyValues, AnalyseDailyValues and AnalyseMonthlyValues allow for easy change of variable, whereas CaseStudyAnalysis is for one specific set of data. The AnalyseSets were created in order to analyse the influence of the optimization on the solar fraction of the different datasets.</p>
Data from: Sporadic genetic connectivity among small insular populations of the rare geoendemic plant Caulanthus amplexicaulis var. barbarae (Santa Barbara Jewelflower)
Globally, a small number of plants have adapted to terrestrial outcroppings of serpentine geology, which are characterized by soils with low levels of essential mineral nutrients (N, P, K, Ca, Mo) and toxic levels of heavy metals (Ni, Cr, Co). Paradoxically, many of these plants are restricted to this harsh environment. Caulanthus ampexlicaulis var. barbarae (Brassicaceae) is a rare annual plant that is strictly endemic to a small set of isolated serpentine outcrops in the coastal mountains of central California. The goals of the work presented here were to 1) determine the patterns of genetic connectivity among all known populations of Caulanthus ampexlicaulis var. barbarae, and 2) estimate contemporary effective population sizes (Ne), in order to inform ongoing genomic analyses of the evolutionary history of this taxon, and to provide a foundation upon which to model its future evolutionary potential and long-term viability in a changing environment. Eleven populations of this taxon were sampled, and population-genetic parameters were estimated using 11 nuclear microsatellite markers. Contemporary effective population sizes were estimated using multiple methods and found to be strikingly small (typically Ne < 10). Further, our data showed that a substantial component of genetic connectivity of this taxon is not at equilibrium, and instead showed sporadic gene flow. Several lines of evidence indicate that gene flow between isolated populations is maintained through long-distance seed dispersal (e.g. > 1 km), possibly via zoochory.
Dataset on soil hydraulic properties under contrasted plant covers and agricultural practices
<p>Complete dataset on the temporal variation of soil infiltrability along a homogeneous fluvisol, on bare soil or soil planted with two plant species with contrasted root systems (a Malvaceae with a tap-root system and a Poaceae with a fibrous root system), and impacted by three different management practices (burning, mowing, and chemical weeding). An original protocol, based on specific ring infiltrometers, able to measure the temporal dynamics of soil infiltrability was used. This dispositive takes into account the variability of the measurement across space.</p> <p> </p>
Fig. 7 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 7. Photographs and scanning electron micrographs of Coridromius taravao sp. nov. and Metrosideros collina. A. Head and pronotum, anterior view. B. Right lateral view, ♀. C. Dorsal habitus, ♀. D. Photograph of Metrosideros collina at Taravao Plateau. E. Detail of metepimeral lobe and anterior of abdomen; arrow indicates possible site of insemination. F. ♂ genitalia, apex of left paramere broken off; arrow indicates apophysis of pygophore margin. MET = metapimeral lobe.
Fig. 5 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 5. Photographs and scanning electron micrographs of Coridromius norfolkensis sp. nov. A. Lateral view, ♂. B. Head and pronotum, anterior view, ♂. C. Photograph of C. norfolkensis sp. nov. (sex unknown) on Schinus terebinthifolius, showing alternate scutellum colouration. D. Dorsal habitus, ♂. E. Metathorax and anterior of abdomen, lateral view, ♀, arrow indicates site of insemination. F. ♂ genitalia, posterior view. FG = folded groove of pygophore, LP = left paramere, MET = metepimeral lobe, RP = right paramere.
Fig. 2 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 2. Photographs and scanning electron micrographs of Coridromius eremnos sp. nov. and C. fomangsu sp. nov. — A-B. Coridromius eremnos sp. nov. A. Dorsal habitus. B. Head and pronotum, anterior view. — C-F. Coridromius fomangsu sp. nov. C. Head and pronotum, anterior view. D. Dorsal habitus. E. Male genitalia, posterior view. F. Male genitalia, posteroventral view. LP = left paramere, MLS = mesal longitudinal suture of pygophore, RP = right paramere, VAP = ventral apical process of pygophore.
Fig. 6 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 6. Photographs and scanning electron micrograph of Coridromius tafo sp. nov. A. Dorsal habitus. B. Head and pronotum, anterior view. C. ♂ genitalia. LP = left paramere, MLS = mesal longitudinal suture of pygophore, RP = right paramere, VAP = ventral apical process.
Fig. 1 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 1. Photographs and scanning electron micrographs of Coridromius basilanus sp. nov. A. Head and pronotum, anterior view. B. Dorsal habitus. C. Lateral view. D. Head and prothorax, lateral view. E. ♂ genitalia. LP = left paramere, MET = metepimeron, MS = mesal sulcus, PEM = proepimeron, RP = right paramere, VAP = ventral apical process of pygophore.
Fig. 4 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 4. Photographs and scanning electron micrographs of Coridromius mulu sp. nov. A. Dorsal habitus, ♂. B. Head and pronotum, anterior view, ♂. C. Lateral view, ♀. D. Head and thorax, lateral view. E. Metathorax and anterior of abdomen of ♀, lateral view; arrow indicates site of insemination. F. ♂ genitalia. G. Photograph of ♂ on unidentified species of Homalanthus. LP = left paramere, MET = metathoracic lobe, MLS = mesal longitudinal suture of pygophore, RP = right paramere, VAP = ventral apical process of pygophore.
Fig. 3 in Description of eight new species of the traumatically inseminating plant bug genus Coridromius (Heteroptera: Miridae: Orthotylinae: Coridromini)
Fig. 3. Photographs and scanning electron micrographs of Coridromius macchabeeus sp. nov. A. Head and pronotum, anterior view. B. Dorsal habitus. C. Head and prothorax, lateral view. D. Metathorax and anterior of abdomen, lateral view, arrow indicates copulatory guide. MET = metepimeral lobe, PEM = proepimeron.
Plant remains (identifications) from Ballinglanna North 3, Co. Cork Ireland
<p>.csv file of identification and quantification of plant remains from Early Neolithic and Bronze Age site at Ballinglanna North 3 in north County Cork, Ireland.</p>
Plant remains (identifications) from Gortore 1b, Cork, Ireland
<p>.csv file with a record of plant remains retrieved from samples taken during excavations at Gortore 1b, CO. Cork, Ireland. Samples were taken from contexts dating to the Mesolithic, Early Neolithic and early medieval period.</p>
Supporting raw data for: The key role of the largest extant neotropical frugivore (Tapirus terrestris) in promoting admixture of plant genotypes across the landscape
<p>These files contain the supporting raw data of the journal article <strong>The key role of the largest extant neotropical frugivore (<em>Tapirus terrestris</em>) in promoting admixture of plant genotypes across the landscape</strong>. They include the geographical coordinates and genotypes (microsatellites) of 259 palm (<em>Syagrus romanzoffiana</em>) individuals analyzed in the mentioned study, as well as an example of one input file for conducting data analysis with the software COLONY 2.0. A text file (´Readme') describing this archived supporting data in further detail is also provided.</p>
FIGURE 4 in A unique new genus and species of the phyline plant bug tribe Hallodapini from the Philippines and Thailand (Hemiptera: Heteroptera: Miridae: Phylinae: Hallodapini)
FIGURE 4. Genital segments of Peniculimiris meniscus and five other hallodapine species (see Appendix), named on figures.
FIGURE 3 in A unique new genus and species of the phyline plant bug tribe Hallodapini from the Philippines and Thailand (Hemiptera: Heteroptera: Miridae: Phylinae: Hallodapini)
FIGURE 3. Male genitalia of Peniculimiris meniscus, holotype (A − E) and Clapmarius thailandana (F) and Acrorrhinium tritonion (G − H). A. Left paramere. B. Pygophore, dorsal view. C. Ditto, ventral view. D. Ditto, right lateral view. E. Ditto, right dorsolateral view. F & H. Endosoma. G. Pygophore, dorsal view. Arrowed: Pouch-like inner extension of phallotheca, or conjunctiva. Scale bars 0.2 mm.
FIGURE 2 in A unique new genus and species of the phyline plant bug tribe Hallodapini from the Philippines and Thailand (Hemiptera: Heteroptera: Miridae: Phylinae: Hallodapini)
FIGURE 2. Habitus images of Peniculimiris meniscus, holotype male (Philippines) and paratype female (Thailand), named on figures.
Fig. 2. – Living plants. A in A synoptic revision of the Malagasy endemic genus Socratina Balle (Loranthaceae). Candollea 69: 65-73. In English, English and French abstracts.
Fig. 2. – Living plants. A. Socratina keraudreniana Balle; B. S. bemarivensis (Lecomte) Balle; C. S. phillipsoniana Callm. & Luino. [Photos: A: J. Bosser; B: F. Ratovoson; C: I. Luino]
Root images of rice plant
<p>These root images of rice plant were used for<em> </em>analysising root morphological indexs like length, diameter, surface area and volume by the image anaiysis software like <em>WinRhizo</em>. These grayscale images of roots were obtained using an EPSON1680 scanner.</p>
Figs. 25–29 in Jumping Plant Lice of the genus Calophya (Hemiptera: Calophyidae) in Mexico
Figs. 25–29. Galls of Calophya schini. (25) Branch with galls and distorted leaFets; (26) leaFet with empty and occupied galls; (27) stem with galls; (28) empty gall; (29) gall occupied with last instar immature and old empty galls. Scale bars: Figs. 25, 28, 29 = 10.0 mm; 26, 27 = 5.0 mm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.