在调研中，黄艳发现，长期以来，蓄滞洪区投入不足，管理薄弱，建设总体滞后。以长江流域为例，流域内的42处蓄滞洪区中仍有11处围（隔）堤未建或未实施加固，仅有杜家台等9处蓄滞洪区完成分洪闸建设、荆江分洪区等4处蓄滞洪区完成安全建设。

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