ine ▁zone , ▁for ▁example , ▁in ▁Pap ua ▁New ▁Guinea ▁( F ly ▁and ▁B am u ▁R ivers ), ▁Malays ia ▁( Ben ak ▁at ▁Bat ang ▁L up ar ), ▁and ▁India ▁( H o og ly ▁bore ). ▁ ▁On ▁the ▁other ▁hand , ▁tid al ▁bore - aff ected ▁est u aries ▁are ▁rich ▁feed ing ▁zones ▁and ▁bre eding ▁grounds ▁of ▁several ▁forms ▁of ▁wild life . ▁The ▁est u ar ine ▁zones ▁are ▁the ▁sp aw ning ▁and ▁bre eding ▁grounds ▁of ▁several ▁native ▁fish ▁species , ▁while ▁the ▁aer ation ▁induced ▁by ▁the ▁tid al ▁bore ▁cont ributes ▁to ▁the ▁abund ant ▁growth ▁of ▁many ▁species ▁of ▁fish ▁and ▁sh rim ps ▁( for ▁example ▁in ▁the ▁R ok an ▁River ). ▁The ▁tid al ▁b ores ▁also ▁provide ▁opportunity ▁for ▁recre ational ▁in land ▁sur f ing . ▁ ▁Scient ific ▁studies ▁Scient ific ▁studies ▁have ▁been ▁carried ▁out ▁at ▁the ▁River ▁De e ▁in ▁Wales ▁in ▁the ▁United ▁Kingdom , ▁the ▁G aron ne ▁and ▁S él une ▁in ▁France , ▁and ▁the ▁Dal y ▁River ▁in ▁Australia . ▁The ▁force ▁of ▁the ▁tid al ▁bore ▁flow ▁often ▁pos es ▁a ▁challenge ▁to ▁scientific ▁measurements , ▁as ▁ev iden ced ▁by ▁a ▁number ▁of ▁field ▁work ▁inc idents ▁in ▁the ▁River ▁De e , ▁Rio ▁M ear im , ▁Dal y ▁River , ▁and ▁S él une ▁River . ▁ ▁R ivers ▁and ▁b ays ▁with ▁tid al ▁b ores ▁R ivers ▁and