Roux, DJ; Kleynhans, CJ; Thirion, C; Hill, Liesl; Engelbrecht, JS; Deacon, AR; Kemper, NP(Water Research Commission, 1999-10)
of aquatic ecosystems to
cumulative disturbances, in relation to both a natural bench-
mark condition and ecological management goals. Such as-
sessments facilitate measurement of goal achievement, decid-
ing on management actions and auditing management per...