11. The east part of the island is decreasing day by day because of river bank erosion . 12. Parts of the creek experience stream bank erosion . 13. Bank erosion is a natural process : without it, rivers would not meander and change course.14. The removal of such trees through mining often results in stream bank erosion , causing an increase in siltation. 15. A common natural method to reduce bank erosion is the re-introduction of native plant species in the area. 16. Teo says that the express boats using the unapproved landing point have also caused severe river bank erosion . 17. In 2000, a stream stabilization project was carried out in the creek's lower reaches to reduce bank erosion . 18. There was only minimal scouring of the riverbed around the piers, and minor bank erosion around the approaches. 19. Along the river, downstream from Stratford, bank erosion and the invasion by exotic plant species have degraded the river. 20. Overgrazing has also exacerbated stream bank erosion , and led to invasive forbs and grasses supplanting the native riparian vegetation.
