Following concerns of the growth of lilies and red azolla, BeCA Landscaping Chairperson Bob Smith recently contacted SCRC Waterways for an update on the maintenance of the lakes in the main park near Bellvista Market Place.
Council Waterways are monitoring all lakes along the Sunshine Coast and will be carrying out maintenance in the near future. SCRC Waterways are aware of concerns regarding the growth of lilies and azolla and will be taking steps to keep both of these issues under control.
The Snow Flake lily (which is native) grows from the edges out to deeper water generally only to depths of 2.5m. After this it doesn’t colonise deeper water. The SCRC Waterways spokesperson says that staff have observed and measured the water levels and the shallower lake is actually only 200 – 300 mm in most parts. This low depth of water makes it hard to mechanically remove the lilies.
The SCRC Waterways spokesperson then goes on to say that she is currently organising several sites including Bellvista for some spraying works followed by harvesting and it’s likely that they will need two different machines in Bellvista due to the differing water levels.
Chemical treatment will be required prior to this harvesting in some areas to stop the lilies immediately growing back after cutting.
This treatment will not impact on wildlife and will encourage underwater macrophytes to regrow….. which are preferred plants in this system. She said that she hopes to have this work complete before mid-february depending on weather and availability of the necessary machinery.
BeCA looks forward to continued communication with SCRC and be able to address resident concerns.
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