Ruvara runopindika pasi-kuchengetedza ecological balanceMuvara unopindika wekudzivirira kwezvakatipoteredza uriri, unozivikanwawo seporous kongiri, nepamusoro peiyo yakaomesesa aggregate yakafukidzwa neturu nhete yesamende paste, aggregate uye simende paste yakasungirirwa kune imwe neimwe kuita kugovera kwakafanana kwepore.
Kuchengetedzwa kweiyo ecological chiyero chemavara ekudzivirira kuchengetedzwa kwepasi, inozivikanwawo se "porous kongiri", nepamusoro peiyo coarse aggregate yakafukidzwa nehutete hwesamende paste, aggregate uye simende paste yakasungirirwa kune imwe neimwe kuti iite kugovera kwakafanana kwemakomba. muchimiro chemuzinga weuchi, saka ine mhepo inopindirana, kupindira kwemvura uye zvinhu zvisingaremi, zvinobudirira kusimudza chiitiko chemvura uye nekunyatsobvisa njodzi dzekusvibiswa kwezvakatipoteredza zvakadai semafuta emafuta pasi. Iyo yakanakisa paving zvinhu kuchengetedza ecological chiyero chezvakatipoteredza. Ruvara runopindika pasi runoshanda kumapavement, nzvimbo dzeveruzhinji, mapaki emotokari akavhurika, migwagwa mumapaki, migwagwa yevanofamba netsoka yevatengesi, migwagwa yekugara uye yenharaunda yeruvanze zvichingodaro.
