allochthonous

English - Turkish

Definition of allochthonous in English Turkish dictionary: allokton olan

English - English

Definition of allochthonous in English English dictionary: Buried or found in a place remote from the site of formation; Originating in a place other than where it is found; Food material reaching an aquatic community in the form of organic detritus; A term which connotes that something (an allochthon) is derived from someplace else, or is not indigenous to a site or area For example, the allochthonous parent material of an alluvial soil, or an allochthonous community of organisms that invaded an area (i e , an 'allochthonous flora') See its antonym, autochthonous (added 6/1/2000); found in a place other than where they and their constituents were formed; Refers to something formed elswhere than its present location Antonym of autochthonous; Material, particularly within sediments and sedimentary rocks, that has been transported; including organic debris, mineral and rock fragments; material found in aquatic ecosystems that originated elsewhere in the watershed (Cole, 1994) Often, allochthonous and dystrophic are both used to describe tea-coloured lakes, which are dominated by organic carbon These lakes are on a dystrophic scale, meaning clarity is not determined by phytoplankton growth (Clark, 2002a); Formed or occurring elsewhere than in place; of foreign origin (WS); Exotic species of a given area Also refers to deposits of material that originated elsewhere, e g , drifted plant material on the bottom of a lake; Organic matter in the stream that is produced outside of the stream, usually by riparian plants and trees Autothonous organic matter is produced in the stream, by algae and aquatic plants; — Material that is formed or introduced from somewhere other than the place it is presently found In impact cratering this may refer to the fragmented rock thrown out of the crater during its formation that either falls back to partly fill the crater or blankets its outer flanks after the impact event; of rocks, deposits, etc ; found in a place other than where they and their constituents were formed; of rocks, deposits, etc