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Erosion can be a serious issue throughout various landscapes and environments, threatening infrastructure and vegetation, particularly in coastal and riverine areas along the Swan and Canning Rivers. Every year, Natural Area are involved with various types of erosion control projects and are well placed to offer general advice on site or detailed site-specific plans, complete with detailed drawings and engineering certifications if required.
Coastal dune systems are constantly shifting as part of natural processes. However excessive wind and foot traffic causes a loss of vegetation cover which can lead to major ‘blowouts’ in the systems and an inability for the dune to regenerate. Natural Area have been involved in various coastal projects using sand-trap fencing, brushing, geotextile and revegetation to promote sand accretion and stabilise dune systems.
Erosion on embankments is common as the gradient of the site is usually steep. Steep sites present various safety risks which are always taken into consideration when specifying works and working on site.
River channels, streams and drains are exposed to erosive water and wind action. Along the river, some foreshore areas are prone to boat wakes which can severely erode the soil and vegetation leading to instability. Natural Area can recommend the best course of action to take to mitigate the erosion and rebuild a natural shoreline.
Erosion of soil in bushland areas often occurs along tracks and paths, especially where paths are not formalised. Simple bioengineering can remedy the issue.