The wetlands.
Most new urban developments are now constructed with a wetland area, these wetlands are not only a great environment for the community having walkways , play areas, native birds such as ducks, they are also a open space amongst the urban jungle. But more importantly they are also a critical part in the treatment of our storm water
Urban development places significant pressure on waterways and their environmental and social value. The increased magnitude and frequency of urban stormwater can be a major force in stream erosion and habitat disturbance. In addition, stormwater contains considerable levels of contaminants and pollutants that can further degrade the health of waterways. Constructed wetlands are one option for improving stormwater quality within a suite of other treatment measures. Constructed wetlands are built to remove pollutants carried such as fine sediments and water soluble nutrients, primarily nitrogen and phosphorous. These wetlands are shallow, vegetated systems that fill and drain in a controlled manner following rain events. The design hydrological regime and vegetation configuration throughout the wetland is critical to the treatment function of the system. The type, density and quality of vegetation in the wetland have a direct relationship to the treatment performance. If the vegetation does not meet the design configuration it is unlikely that the wetland is providing satisfactory pollutant removal.
Casey Cachers.
This cache was placed by the Casey Cachers, on behalf of Geocaching Melbourne, for the upcoming Melbourne Event on the 14th and 15th of November.Although Casey Cachers have only a small number of finds, they are a team of dedicated cachers with 37 years of caching experience, over 20,800 finds and 450 hides between them, they have come together specifically to create caches for this event, and the ongoing enjoyment of all cachers following the event.
Are you coming?
