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275 results for “plant morphology”
The influence of biogeographical and evolutionary histories on morphological trait-matching and resource specialization in mutualistic hummingbird-plant networks
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Data and code from: Widespread evolution of poricidal flowers: A striking example of morphological convergence across flowering plants
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Data from: Species morphology better predicts plant-hummingbird interactions across elevations than nectar traits
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Morphological trait matching in plant–Hymenoptera and plant–Diptera mutualisms across an elevational gradient
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Data from: Morphological constraints on plant-mediated methane release and oxidation under experimental warming in a peatland and meadow on the Qinghai-Tibetan Plateau
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Data for: Evolution and genomic basis of the plant-penetrating ovipositor: a key morphological trait in herbivorous Drosophilidae
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FIGURES 22–34 in Portanini (Insecta, Hemiptera, Cicadellidae): morphology of female terminalia, first record of host plants, a new species of Portanus from Brazil, and taxonomic notes
FIGURES 22–34. Portanus restingalis Felix & Mejdalani, 2016. Female: 22, dorsal habitus; 23, sternite VII, ventral view; 24, pygofer and anal tube, lateral view; 25, valvula I, lateral view; 26, apical portion of valvula I; 27, dorsal sculptured area on median portion of valvula I; 28, valvula II, lateral view; 29, apical portion of valvula II; 30, teeth on dorsal median portion of valvula II (the dorsal sculptured area of valvula I is shown on lower portion of the image); 31, gonoplac, lateral view; 32, head and anterior thorax, anterior view; 33, lateral habitus; 34, ventral habitus. Scale bars: 22, 32–34 = 1 mm; 23–26, 28–29, 31 = 0.2 mm.
FIGURES 11–21 in Portanini (Insecta, Hemiptera, Cicadellidae): morphology of female terminalia, first record of host plants, a new species of Portanus from Brazil, and taxonomic notes
FIGURES 11–21. Portanus adenomari sp. nov. Female paratype: 11, sternite VII, ventral view; 12, pygofer and anal tube, lateral view; 13, valvula I, lateral view; 14, apical portion of valvula I; 15, valvula II, lateral view; 16, apical portion of valvula II; 17, gonoplac, lateral view; 18, dorsal habitus; 19, ventral habitus; 20, lateral habitus; 21 head and anterior thorax, anterior view. Scale bars: 11–17 = 0.2 mm; 18–21 = 1 mm.
Data from: Cushion plant morphology controls biogenic capability and facilitation effects of Silene acaulis along an elevation gradient
The stress-gradient hypothesis (SGH) predicts that the balance of plant–plant interactions shifts along abiotic environmental gradients, with facilitation becoming more frequent under stressful conditions. However, recent studies have challenged this perspective, reporting that positive interactions are, in some cases, more common at the intermediate level of environmental severity gradients. Here, we test whether and how neighbour effects by Silene acaulis cushions vary along a 700 m wide altitudinal transect, in relation to cushion morphological traits and environmental severity. Field measurements along the gradient, within and outside cushions, included (i) species richness and cover of coexisting vascular plants; (ii) cushion morphology; (iii) above- and below-ground microclimate; and (iv) soil quality. We used the relative interaction index to decouple neighbour trait effects and environmental severity effects on plant diversity at different elevations. The ability of the cushion plant to facilitate heterospecifics shifts considerably along the elevation gradient, being greatest at the intermediate level. On the other hand, Silene morphological traits steadily change along the gradient, from lax, soft and flat-shaped cushion habits at low elevation to tightly knit and dome-shaped habits at high elevation. Cushion morphological changes are associated with mitigating effects on microclimate, indicating that cushions effectively act as a heat-trap at medium and high elevations, while at low elevations the soft and flat cushions avoid excessive heat accumulation by tight coupling with the surrounding atmosphere. At the upper end of the gradient, cushion cespitose–pulvinate compactness and high stem density appear to be critical traits in modulating the net effect of plant–plant interaction, since the space available for hosting other vascular species is considerably reduced. In conclusion, this work provides a mechanistic link between plant morphological traits, associated biogenic microclimate changes and variation in net plant–plant interactions along the explored severity gradient. Our findings support an alternative conceptual model to SGH, with plant facilitation collapsing at the upper extreme of the abiotic stress gradient.
Data from: Anthropogenic host plant expansion leads a nettle-feeding butterfly out of the forest: consequences for larval survival and developmental plasticity in adult morphology
Recent anthropogenic eutrophication has meant that hostplants of nettle-feeding insects became quasi-omnipresent in fertile regions of Western Europe. However, hostplant resource quality – in terms of microclimate and nutritional value – may vary considerably between the 'original' forest habitat and 'recent' agricultural habitat. Here, we compared development in both environmental settings using a split-brood design, so as to explore to what extent larval survival and adult morphology in the nettle-feeding butterfly Aglais urticae are influenced by the anthropogenic environment. Nettles along field margins had higher C/N-ratios and provided warmer microclimates to larvae. Larvae developed 20% faster, and tended to improve their survival rates, on the agricultural land compared to woodland. Our split-brood approach indicated plastic responses within families, but also family effects in the phenotypic responses. Adult males and females had darker wing pigmentation in the drier and warmer agricultural environment, which contrasts with the thermal melanism hypothesis. Developmental plasticity in response to this micro-climatically different and more variable habitat was associated with a broader phenotypic parameter space for the species. Both habitat-expansion and developmental plasticity are likely contributors to the ecological and evolutionary success of these nettle-feeding insects in anthropogenic environments under high nitrogen load.
FIGURE 7 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 7. Micrographs of Hemicycliophora thienemanni, H. conida, Hemicaloosia graminis from turfgrasses in NC and SC. All scale bars =20µm. A. Female esophageal region of H. thienemanni. B. Vulva region of H. thienemanni. C. Female tail of H. thienemanni. D. Female esophageal region of H. conida. E,F. Vulva region of H. conida. G. Female esophageal region of Hemicaloosia graminis. H. Vulva region of Hemicaloosia graminis. I. Female tail of Hemicaloosia graminis. J. Male esophageal region of Hemicaloosia graminis. K. Male tail of Hemicaloosia graminis.
FIGURE 4 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 4. Micrographs of Belonolaimus longicaudatus and Dolichodorus heterocephalus from turfgrasses in NC and SC. All scale bars=20µm. A. Pharyngeal region of B. longicaudatus. B. Vulva region of B. longicaudatus. C. Female tail of B. longicaudatus. D,E. Male tails of B. longicaudatus. F. Pharyngeal region of D. heterocephalus. G. Vulval region of D. heterocephalus. H. Female tail of D. heterocephalus. I. Male tails of D. heterocephalus.
FIGURE 1 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 1. Micrographs of Pratylenchus penetrans, Tylenchorhynchus claytoni and Filenchus cylindricus from turfgrasses in NC and SC. Scale bars: A, B, J=50 μm; C-I, K-M=20μm. A,B. Entire body of P. penetrans. C. Pharyngeal region of P. penetrans. D,E. Female tails of P. penetrans. F. Male tail of P. penetrans. G. Pharyngeal region of T. claytoni. H. Female tail of T. claytoni. I. Male tail of T. claytoni. J. Entire body of F. cylindricus. K. Pharyngeal region of F. cylindricus. L. Vulval region of F. cylindricus. M. Female tail of F. cylindricus.
FIGURE 6 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 6. Micrographs of Hemicriconemoides chitwoodi, H. wessoni, Paratylenchus goldeni and Aphelenchoides myceliophagus from turfgrasses in NC and SC. Scale bars: A, D=50µm; B, C, E–M=20µm. A. Entire body of H. chitwoodi. B. Pharyngeal region of H. chitwoodi. C. Vulva and tail region of H. chitwoodi. D. Entire body of H. wessoni. E. Pharyngeal region of H. wessoni. F. Vulva and tail region of H. wessoni. G. Pharyngeal region of P. g o l d e n i. H. Vulva and tail region of P. goldeni. I. Pharyngeal region of A. myceliophagus. J. Vulval region of A. myceliophagus. K. Pharyngeal region of A. myceliophagus. L. Female tail of A. myceliophagus. M. Male tail of A. myceliophagus.
FIGURE 3 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 3. Micrographs of J2 of Meloidogyne graminis, M. naasi, Heterodera sp. and Cactodera sp. from turfgrasses in NC and SC. Scale bars: A, E, I, L=50µm; B–D, F–H, J, K, M–O=20µm. A. Entire body of M. graminis. B. Pharyngeal region of M. graminis. C,D. Tail of M. graminis. E. Entire body of M. naasi. F. Pharyngeal region of M. naasi. G,H. Tails of M. naasi. I. Entire body of H. sp. J. Pharyngeal region of H. sp. K. Tail of H. sp. L. Entire body of C. sp. M. Pharyngeal region of C. sp. N,O. Tails of C. sp.
FIGURE 2 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 2. Micrographs of Hoplolaimus galeatus, Scutellonema brachyurum and Helicotylenchus dihystera from turfgrasses in NC and SC. All scale bars =20 μm. A. Pharyngeal region of H. galeatus. B. Vulval region of H. galeatus. C. Female tail of H. galeatus. D,E. Male tails of H. galeatus. F. Pharyngeal region of S. brachyurum. G. Vulval region of S. brachyurum. H. Female tail of S. brachyurum. I. Pharyngeal region of H. dihystera. J. Vulva and tail region of H. dihystera.
FIGURE 5 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 5. Micrographs of Mesocriconema curvatum, M. xenoplax, M. sphaerocephala and Ogma floridense from turfgrasses in NC and SC. All scale bars=20µm. A. Pharyngeal region of M. curvatum. B. Pharyngeal region of M. xenoplax. C. Pharyngeal region of M. sphaerocephala. D,G. Female tail of M. xenoplax. E. Pharyngeal region of O. floridense. F. Female tail of M. curvatum. H. Female tail of M. sphaerocephala. I. Body with anastomoses of M. sphaerocephala. J. Vulva and tail region of O. floridense.
FIGURE 9 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 9. Micrographs of Paratrichodorus allius, Paratrichodorus minor from turfgrasses in NC and SC (Scale bars: A=100µm; B-F= 20µm). A. Female entire body of P. allius. B. Female esophageal region of P. allius. C. Female tail region of P. allius. D. Female esophageal region of P. m i n o r. E. Vulva and tail region of P. m i n o r. F. Female tail region of P. m i n o r.
FIGURE 8 in Taxonomy and morphology of plant-parasitic nematodes associated with turfgrasses in North and South Carolina, USA
FIGURE 8. Micrographs of Xiphinema americana, X. bakeri, X. chambersi, Longidorus paralongicaudatus from turfgrasses in NC and SC. All scale bars =20µm. A. Female esophageal region of X. americana. B. Vulva region of X. americana. C,H. Female esophageal region of X. bakeri. D. Vulva region of X. bakeri. E. Female esophageal region of X. chambersi. F. Vulva region of X. chambersi. G. Female tail region of X. americana. I. Female tail region of X. bakeri. J. Female tail region of X. chambersi. K. Female esophageal region of L. paralongicaudatus. L. Vulva region of L. paralongicaudatus. M,N. Female tail region of L. paralongicaudatus.
FIGURE 23 in Eriophyes species (Acari: Eriophyoidea) inhabiting lime trees (Tilia spp.: Tiliaceae) — supplementary description and morphological variability related to host plants and female forms
FIGURE 23. Canonical variate analysis of 43 traits for protogynes and deutogynes of Eriophyes nervalis Nalepa 1890 carried out on pooled data collected from Tilia tomentosa and T. platyphyllos over two seasons.
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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.