Seed Size and Plant Growth Form as Factors in Dispersal Spectra
نویسندگان
چکیده
منابع مشابه
Endozoochorous seed dispersal of plant species in semi-steppe rangelands
During last two decades studies on endozoochorous seed dispersal indicated that a large numbers of plant seeds are potentially dispersed and suceefully germinated via animal dung. However, very little is known about the relative importance of endozoochory in germination success of plant species in semi-steppe rangelands. In this paper we examined dung germinating seed content, seed deposition p...
متن کاملEndozoochorous seed dispersal of plant species in semi-steppe rangelands
During last two decades studies on endozoochorous seed dispersal indicated that a large numbers of plant seeds are potentially dispersed and suceefully germinated via animal dung. However, very little is known about the relative importance of endozoochory in germination success of plant species in semi-steppe rangelands. In this paper we examined dung germinating seed content, seed deposition p...
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Frugivorous vertebrates play a critical role as seed dispersers of many tropical fruiting plants. In Madagascar, lemurs are the principal dispersers of fruit-bearing plants. This study aims to highlight the potential ecological role of the redruffed lemur (Varecia rubra) in the regeneration of a degraded forest, based on the quantity and size of passed seeds, their viability and germination, an...
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Small-seeded plant species are often reported to have high relative growth rate or RGR. However, because RGR declines as plants grow larger, small-seeded species could achieve higher RGR simply by virtue of their small size. In contrast, size-standardized growth rate or SGR factors out these size effects. Differences in SGR can thus only be due to differences in morphology, allocation, or physi...
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We review the SU(2) Skyrme model and describe its topological soliton solutions, which are called Skyrmions. Skyrmions provide a model of nuclei in which the conserved topological charge is identified with the baryon number of a nucleus. The semiclassical quantum theory of Skyrmions, in which they are treated as rigid bodies spinning in space and isospace, is described. We derive the energy spe...
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ژورنال
عنوان ژورنال: Ecology
سال: 1990
ISSN: 0012-9658
DOI: 10.2307/1938268