| 释义 |
vagile, a. Biol.|ˈvæ-, ˈveɪdʒaɪl|
[ad. G. vagil, f. L. vag-us wandering, straying.]
Of an organism or group of organisms: having the ability to disperse or be dispersed in a given environment. Hence vaˈgility (also fig.).
1903Amer. Geologist XXXI. 214 Their recent descendants find it..advantageous..to prey upon the much richer fauna of the vagile benthos. 1937Allee & Schmidt tr. Hesse's Ecol. Animal Geogr. vi. 76 The power of dispersal of an animal species may be summed up as its ‘vagility’. The less the vagility of a species, the less it is able to overcome barriers..and hence the more numerous the opportunities for independent variation. 1967Oceanogr. & Marine Biol. V. 478 Many small vagile species swim in the water washing the algae. 1979E. A. & L. D. Bloom Satire's Persuasive Voice vi. 269 Eighteenth-century satire registers a widening discontent with the collapse of native culture and, conversely, a search for its own kind of moral vagility. 1981Science 12 June 1291/2 Taxa with small Ne [sc. effective population size] due to low vagility..are expected to experience rapid..speciation rates. |