persistent substance

persistent substance
patvarioji medžiaga statusas T sritis ekologija ir aplinkotyra apibrėžtis Medžiaga, kuri natūralioje aplinkoje (terpėje) nesunyksta arba sunyksta labai lėtai (pvz., gyvsidabrio druskos, kai kurie fenolio junginiai, chlororganiniai pesticidai ir t. t.). Sukelia mutageninius, teratogeninius, kancerogeninius, alerginius ir kt. reiškinius, taip pat pažeidžia normalios eigos dinaminį populiacijos kiekį, energijos srautą, medžiagų apytaką, kvėpavimą, mažina ekosistemos produktyvumą, blogina aplinkos kokybę. atitikmenys: angl. persistent substance vok. abbaubarer Stoff, m; Haltbarkeitsubstanz, f; persistenter Stoff, m rus. персистентные загрязнители; стойкое вещество, n

Ekologijos terminų aiškinamasis žodynas. – Vilnius : Grunto valymo technologijos. . 2008.

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