On the theory of explosively dispersed seeds

Author: jszm

August undefined, 2024

Web1 de set. de 1983 · The distribution of explosively dispersed seeds in terms of a resource for post-dispersal predators was evaluated by computer simulation. The results indicated that seed predation is unlikely to ... WebSeeds are sometimes partly imbedded in firm ground. Some seeds are buried in soft soil at a considerable angle to the vertical. The dispersal distance of an explosively dispersed …

Dispersal mode, seed shadows, and colonization patterns

Web1 de mai. de 1979 · In explosively dispersed plants, maximum dispersal distance depends, among other factors, on the seed ejection angle (Swaine et al. 1979, Stamp & Lucas … WebThis website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our privacy notice and … truitt and osborne wichita ks

ON THE THEORY OF EXPLOSIVELY DISPERSED SEEDS.

WebThe horizontal component in still air tells you how far the seed could be dispersed under these conditions in nature, but most wind-dispersed species, including Asteraceae, don't release... Web1 de mai. de 1977 · Theory of explosively dispersed seeds. May 1977; New Phytologist 78(3):681-694; ... that would be expected on the ground around a parent plant that … WebThis website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our privacy notice and cookie policy. philippe berros

Capsule Dehiscence in Viola betonicifolia Sm. (Violaceae)

Putting a New Spin on the Flight of Jabillo Seeds

WebOn the theory of explosively dispersed seeds. New Phytol. 78: 681–694. CrossRef Google Scholar Bjorkbom, J. C. 1971. Production and germination of paper birch seed … WebExplosive seed dispersal in Hura 699 smaller diameter (15-20 mm), and relatively thick, was greyish-brown. Individual seed weights overlapped considerably between types, but the heaviest seeds were all amongst the first 'white' type and the lightest among the 'brown'. philippe bernyWebWe calculate the theoretical distribution of seed numbers (a probability density function) that would be expected on the ground around a parent plant that disperses its seeds explosively. The initial velocity of the projected seed, and its air resistance are shown to … philippe bergman photos

"WebThe plant electrophoretic literature was reviewed to determine whether seed dispersal mechanisms effectively predict the distribution of genetic variation ... Beer, T. and M.D. Swaine. 1977. On the theory of explosively dispersed seeds. New Phytol. 78: 681–694. CrossRef Google Scholar Brown, A.H.D. 1979. Enzyme polymorphism in ... " - On the theory of explosively dispersed seeds

On the theory of explosively dispersed seeds

10 Explosive Plants (Ballistic Seed Dispersal Mechanisms)

WebThe distribution of explosively dispersed seeds in terms of a resource for post-dispersal predators was evaluated by computer simulation. The results indicated that seed … WebSwaine, M.D.; Dakubu, T.; Beer, T., 1979: On the theory of explosively dispersed seeds a correction

Did you know?

Web2 de jun. de 2016 · A mathematical model explains the explosive dispersal of seeds from the popping cress. The blue lines are computer simulations of the coiling seed pod at consecutive time points. © MPI f. Plant Breeding Research/ A. Hay Since plants do not have muscles; rapid movements, like the exploding seed pods of popping cress, are rare in … WebON THE THEORY OF EXPLOSIVELY DISPERSED SEEDS BY TOM BEER and M.D. SWAINE Department of Physics and Department of Botany, University of Ghana …

WebNew Phytol. (1977) 78, 681-694. ON THE THEORY OF EXPLOSIVELY DISPERSED SEEDS BY TOM BEER and M.D. SWAINE Department of Physics and Department of … Web24 de fev. de 2024 · Once the seed pods mature and something disturbs them, these burst explosively, throwing the seeds far away from the mother plant. 7. Honey Spurge (Euphorbia Mellifera) Honey Spurge ( Euphorbia Mellifera) is an evergreen shrub in the spurge family Euphorbiaceae. El Funcionario , CC BY-SA 4.0, via Wikimedia Commons.

WebSeeds are sometimes partly imbedded in firm ground. Some seeds are buried in soft soil at a considerable angle to the vertical. The dispersal distance of an explosively dispersed seed is defined as the horizontal distance between this seed and the nearest edge of the crown. The positions of seeds dispersed beyond 50 m were determined at a tree ... WebON THE THEORY OF EXPLOSIVELY DISPERSED SEEDS. Author BEER T; SWAINE MD DEP. PHYS., UNIV. GHANA Source NEW PHYTOLOGIST; G.B.; DA. 1977; VOL. 78; NO 3; PP. 681-694; BIBL. 10 REF. Document type Article Language English Keyword (fr) SPERMATOPHYTA BIOLOGIE FLORALE MODELE MATHEMATIQUE BIOLOGIE …

Web4 de jan. de 2024 · At last, the AgNWs were re-dispersed in deionized water. 2.2.2. Sonication-Induced Scission of Silver Nanowires. For ultrasonication treatments, An AgNW aqueous solution was diluted to 0.0084–1.67 mg·mL −1 and sequentially underwent ultrasonication for 1–6 h at a power of 0–480 W.

Web2 de jun. de 2016 · On the theory of explosively dispersed seeds. New Phytol. 1977; 78: 681-694. Crossref; Scopus (30) Google Scholar, Vaughn et al., 2011. Vaughn K.C. Bowling A.J. ... To test this hypothesis, we used the model dynamics of a single valve to obtain the ballistic trajectories of seeds explosively dispersed away from the parent plant. philippe bertheauWebcontrast, animal-dispersed seeds often end up at nutrient-rich sites and may or may not be transported relatively long distances in the pro-cess (Culver and Beattie, 1978; Beattie and Culver, 1982) and thus exemplify directed dis-persal. For explosively-dispersed plants, the act of dispersal does not depend on an external agent philippe berne luthierWebexplosively dispersed species, and that clumping unrelated to dispersal distance will be higher in animal-dispersed species reﬂecting clumped seed deposition. Among wind-dispersed species, we expect dispersal distances to increase with decr easing seed size, decreasing terminal velocity, increasing tree height, philippe bernaerts advocaatWebFigure 1. Pods and seeds of Tetraberlinia moreliana. A: Fruiting pedicel with pod, and stalk of exploded pod. B: Seeds have a discoid shape. C: Valves immediately after dehiscence. D: Completely dried valve. - "Explosive seed dispersal of the rainforest tree Tetraberlinia moreliana (Leguminosae – Caesalpinioideae) in Gabon" philippe bertheletWebShareable Link. Use the link below to share a full-text version of this article with your friends and colleagues. Learn more. philippe bernard oiseWeb17 de ago. de 2024 · Our article describes the explosive seed dispersal of the Hura crepitans fruit. Through high-speed video analysis of an exploding fruit, we observe that … philippe bertheratWebFor velocities which seem likely in explosive seed dispersal (e.g. in Hura crepitans L. initial velocities range from 14 to 70 m s-1) the resistive force R of the air acting on the seed … philippe berne