breakwaters - a barrier that breaks the force of waves, as before a harbor.
silting - A sedimentary material consisting of very fine particles intermediate in size between sand and clay
tidal flushing - the movement of water in and out of a water body due, in part, to tidal reason
sea change - when over development and rapid growth of coastal areas occur due to the current Australian trend for people to move from large cities to smaller coastal towns and villages where the lifestyle is more relaxed
urban stormwater - runoff and polluted runoff.
dredging - Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow seas or fresh water areas
introduced plants - Many non-native plants have been introduced into new territories.
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