释义 |
edaphic, a. Ecology.|ɪˈdæfɪk| [ad. G. edaphisch (A. F. W. Schimper Pflanzen-Geogr. (1898) i. i. 5), f. Gr. ἔδαϕος floor + -ic.] Pertaining to, produced or influenced by, the soil.
1900Jackson Gloss. Bot. Terms Additions. 1902Encycl. Brit. XXV. 430/1 The varying climatic or environmental conditions to which Angiosperms may be exposed in their wide distribution, including those of the soil, edaphic, those of the atmosphere, epedaphic, and those of water, aquatic. Ibid., Geophytes are..subject to the influence of both edaphic and epedaphic factors of environment. 1906Chamberlin & Salisbury Geol. II. 343 Adaptation to the immediate physical environment, particularly the nature and depth of the sea-bottom (edaphic adaptation). 1930Nature 25 Jan. 120 Wherever domesticated animals come upon the scene the biotic factor undoubtedly ranks with the edaphic and climatic as of supreme importance. 1930Forestry IV. 29 The term edaphic association is used by Tansley and other British ecologists for relatively permanent communities which do not reach the climatic climax owning to soil conditions. 1936Geogr. Jrnl. LXXXVIII. 566 ‘Social ecology’ in relation to the edaphic factor. 1938Nature 7 May 815/1 The sand dune..can be aptly described as an edaphic desert—a desert that is due, not to climatic but to soil conditions, since the coarse texture and very low organic content render sand a very poor retainer of water. 1949New Biology VI. 54 Thus under semi-arid conditions, the ‘natural’ vegetation type may be open grassland, without trees of any kind... Such grasslands..may provide an example of an edaphic climax, seral development being arrested because of soil influences. |