Genetic consequences of anagenetic speciation in Acer okamotoanum (Sapindaceae) on Ullung Island, Korea
نویسندگان
چکیده
منابع مشابه
Genetic consequences of cladogenetic vs. anagenetic speciation in endemic plants of oceanic islands
Adaptive radiation is a common mode of speciation among plants endemic to oceanic islands. This pattern is one of cladogenesis, or splitting of the founder population, into diverse lineages in divergent habitats. In contrast, endemic species have also evolved primarily by simple transformations from progenitors in source regions. This is anagenesis, whereby the founding population changes genet...
متن کاملAnagenetic evolution in island plants
The origin of new species on oceanic islands has been discussed on many occasions (Carlquist, 1974; Grant, 1996). The most commonly described process is speciation associated with adaptive radiation (Stuessy & Ono, 1998; Schluter, 2000), in which from a single introduction several lines of speciation occur, each driven by selection within markedly different ecological zones. Morphological diver...
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Two strategies have evolved in understory trees in relation to light availability: maximization of light capture and shade tolerance. In the genus Acer, light capture is favored by a suite of traits maximizing twig thickness and leaf size and minimizing the density of branching in the crown. In contrast, shade tolerance is enhanced by minimizing crown area, crown volume, and total leaf area per...
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Island biogeography theory predicts that the number of species on an island should increase with island size and decrease with island distance to the mainland. These predictions are generally well supported in comparative and experimental studies. These ecological, equilibrium predictions arise as a result of colonization and extinction processes. Because colonization and extinction are also im...
متن کاملThe sap of Acer okamotoanum decreases serum alcohol levels after acute ethanol ingestion in rats.
In the present study, we examined whether Acer okamotoanum (A. okamotoanum) sap decreased the serum alcohol and acetaldehyde levels after acute ethanol treatment in a rat model. Male rats were orally administered 25, 50 or 100% A. okamotoanum sap 30 min prior to oral challenge with 3 ml of ethanol (15 ml/kg of a 20% ethanol solution in water), and the blood concentrations of alcohol and acetald...
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ژورنال
عنوان ژورنال: Annals of Botany
سال: 2011
ISSN: 1095-8290,0305-7364
DOI: 10.1093/aob/mcr280