Uit Kust Wiki
Versie door Carolienk op 30 jul 2012 om 12:43
Intermediate levels of nutrients, fairly productive in terms of aquatic animal and plant life and showing emerging signs of water quality problems.
Walmsley RD, 2000. A Review and Discussion Document. Perspectives on Eutrophication of Surface Waters: Policy/Research Needs in South Africa. Water Research Commission. Project K8/360.