On the theory of explosively dispersed 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 … 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 …
On the theory of explosively dispersed seeds
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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... WebON THE THEORY OF EXPLOSIVELY DISPERSED SEEDS BY TOM BEER and M.D. SWAINE Department of Physics and Department of Botany, University of Ghana …
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 … 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 ...
Web5 de jul. de 2011 · It is often assumed that there is a trade-off between maternal provisioning and dispersal capacity, leading small-seeded species to disperse further than large-seeded species. However, t... Seed dispersal distance is more strongly correlated with plant height than with seed mass - Thomson - 2011 - Journal of Ecology - Wiley Online Library WebFor any explosively dispersed seed found near a tree an optimum trajectory can be calculated, that is the trajectory with the lowest possible initial velocity necessary for the …
WebExplosive seed dispersal of seven plant species was investigated in terms of factors contributing to the distance that seeds are thrown. As ... (1979) On the theory of …
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 ... dancing bear halloween costumeWeb4 de mai. de 2024 · Wind. Fruits dispersed by wind, like samaras or the achenes of a dandelion, are generally winged (Figure 8.3. 6 ). In the case of a dandelion, each achene is attached to a modified calyx that forms an umbrella-like structure to catch on the wind. Figure 8.3. 6: Samaras are winged achenes adapted to wind dispersal. dancing bear lake placidWebSeed shadows for wind-dispersed trees and shrubs had similar or steeper slopes than those for vertebrate-dispersed species in ... T. & Swaine, M. D. 1977. On the theory of explosively dispersed seeds. New Phytol. 78: 681–694. Google Scholar Bjorkbom, J. C. 1971. Production and germination of paper birch seed and its dispersal into a ... bir form 1902 downloadWebSeeds 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 … bir form 1902 downloadableWebShareable Link. Use the link below to share a full-text version of this article with your friends and colleagues. Learn more. bir form 1902 meaningWebON 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 … bir form 1901 for sole proprietorshipWeb5 de jul. de 2011 · We provided the first large-scale, cross-species quantification of the correlations between dispersal distance and both seed mass and plant height. Seed … bir form 1902 download pdf