Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This document contains the design principles of two-stage constructed wetlands and a basic system for many more hybrid constructed wetlands.
BRIX, H. ; JOHANSON, N.H. (1999): Treatment of Domestic Sewage in a Two-Stage Constructed Wetland. المُدخلات: Nutrient Cycling and Retention in Natural and Constructed Wetlands: , 155-163. URL [Accessed: 23.08.2011]