| 单词 |
synusia |
| 释义 |
synusia Ecol.|sɪˈn(j)uːsɪə|
Pl -iae.
[mod.L., ad. G. synusie (H. Gams 1918, in Vierteljahrsschr. der Naturforsch. Ges. in Zürich LXIII. 428), f. Gr. συνουσία society, company.]
A group of organisms (usu. plants) of one or more species which have similar life-forms, occupy the same ecological niche, and play a similar role in the community which they form. Also syˈnusium.
1924Jrnl. Ecol. XII. 15 An aggregation of plants which belong to the same ‘life-form’ and make similar demands upon a similar habitat constitutes Gams' conception of a synusium. 1926Tansley & Chipp Study of Vegetation ii. 25 The individuals composing a synusia may belong not only to different species but to different families or even different higher groups. 1930Svensk Bot. Tidskrift XXIV. 496 The method of dividing each sociation into its elementary one-layered units, or synusiae, and grouping the synusiae of each layer independently of those of the other layers to synusiae of higher rank. 1932Fuller & Conard tr. Braun-Blanquet's Plant Sociol. xii. 302 A cover of crustose lichens, a pure carpet of moss or of dwarf shrubs, the tree layer of a fir stand are ecological synusiae. 1960[see niche n. 3 c]. 1965B. E. Freeman tr. Vandel's Biospeleology xvii. 285 Each biotope contains an animal population which is called the synusium. 1975T. C. Whitmore Trop. Rain Forests Far East ii. 12 Species of very diverse taxonomic affinity make up the synusiae. |
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