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ＴｈｅＭａｒｋＶｌｉｅｔｒｉｖｅｒｓｙｓｔｅｍｔｒａｎｓｐｏｒｔｓｂｅｄｍａｔｅｒｉａｌａｎｄｐｏｌｌｕｔｅｄｓｕｓｐｅｎｄｅｄｓｅｄｉｍｅｎｔｓｔｏｔｈｅＶｏｌｋｅｒａｋＺｏｏｍｌａｋｅ，ａｗａｔｅｒｅｎｖｉｒｏｎｍｅｎｔｏｆｈｉｇｈｌｉｍｎｏｌｏｇｉｃａｌｖａｌｕｅ．Ｔｏｐｒｏｔｅｃｔｔｈｅｌｉｖｉｎｇ，ｗｏｒｋｉｎｇａｎｄｒｅｃｒｅａｔｉｏｎａｒｅａｓｉｎｔｈｉｓｃａｔｃｈｍｅｎｔ，ａｐｒｏｐｅｒｉｎｔｅｇｒａｔｅｄｗａｔｅｒｍａｎａｇｅｍｅｎｔｉｓｅｓｓｅｎｔｉａｌ．Ａｓｙｓｔｅｍａｔｉｃｃｏｎｔｒｏｌａｎｄｓａｎｉｔａｔｉｏｎｏｆｔｈｅｐｏｌｌｕｔｅｄｓｅｄｉｍｅｎｔｓｉｎｔｈｅｒｉｖｅｒｅｎｖｉｒｏｎｍｅｎｔｗｉｌｌｈｅｌｐｔｏｓｔｏｐｆｕｒｔｈｅｒｄｅｇｒａｄａｔｉｏｎｏｆｔｈｅｗａｔｅｒｅｃｏｓｙｓｔｅｍｑｕａｌｉｔｙ．Ｔｈｅｒｅｆｏｒｅ，ａｔｒａｎｓｂｏｕｎｄａｒｙｃｏｌｌａｂｏｒａｔｉｏｎｂｅｔｗｅｅｎＢｅｌｇｉａｎａｎｄＤｕｔｃｈａｕｔｈｏｒｉｔｉｅｓｉｓｓｅｔｕｐｔｏｓｔｕｄｙａｎｄｓａｎｉｔａｔｅｔｈｉｓｉｎｔｅｒｒｅｇｉｏｎａｌｒｉｖｅｒｃａｔｃｈｍｅｎｔ．Ｔｏｉｍｐｒｏｖｅ?
TheMark VlietriversystemtransportsbedmaterialandpollutedsuspendedsedimentstotheVolkerak Zoomlake, awaterenvironmentofhighlimnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn Toprotecttheliving, workingandrecreationareasinthiscatchment, aproperintegratedwatermanagementisessential. Asystematiccontrolandsanitationofthepollutedsedimentsintheriverenvironmentwillhelptostopfurtherdegradationofthewaterecosystemquality. Therefore, atransboundarycollaborationbetweenBelgianandDutchauthoritiesissetuptostudyandsanitatethisinterregionalrivercatchment. Toimprove?