▁and ▁location ▁of ▁a ▁beach ▁within ▁hours . ▁ ▁Dest ruction ▁of ▁fl ora ▁on ▁the ▁b erm ▁by ▁the ▁use ▁of ▁her b ic ides , ▁excess ive ▁ped est rian ▁or ▁vehicle ▁traffic , ▁or ▁dis ruption ▁to ▁fresh water ▁flows ▁may ▁lead ▁to ▁er os ion ▁of ▁the ▁b erm ▁and ▁d unes . ▁ ▁While ▁the ▁destruction ▁of ▁fl ora ▁may ▁be ▁a ▁grad ual ▁process ▁that ▁is ▁imper cept ible ▁to ▁regular ▁beach ▁users , ▁it ▁often ▁becomes ▁immediately ▁apparent ▁after ▁storm s ▁associated ▁with ▁high ▁wind s ▁and ▁fre ak ▁wave ▁events ▁that ▁can ▁rapidly ▁move ▁large ▁volumes ▁of ▁exposed ▁and ▁un stable ▁sand , ▁depos iting ▁them ▁further ▁in land , ▁or ▁carrying ▁them ▁out ▁into ▁the ▁permanent ▁water ▁forming ▁off sh ore ▁bars , ▁l ago ons ▁or ▁increasing ▁the ▁area ▁of ▁the ▁beach ▁exposed ▁at ▁low ▁t ide . ▁Lar ge ▁and ▁rapid ▁movements ▁of ▁exposed ▁sand ▁can ▁b ury ▁and ▁sm other ▁fl ora ▁in ▁adjacent ▁areas , ▁ag gra v ating ▁the ▁loss ▁of ▁habitat ▁for ▁fa una , ▁and ▁en larg ing ▁the ▁area ▁of ▁inst ability . ▁If ▁there ▁is ▁an ▁ade qu ate ▁supply ▁of ▁sand , ▁and ▁weather ▁conditions ▁do ▁not ▁allow ▁veget ation ▁to ▁recover ▁and ▁stabil ize ▁the ▁sed iment , ▁wind - b low n ▁sand ▁can ▁continue ▁to ▁advance , ▁eng ulf ing ▁and ▁perman ently ▁alter ing ▁down wind ▁land sc apes . ▁ ▁Sed iment ▁moved ▁by ▁waves ▁or ▁re ced ing