The tile section on which the tile is placed, Gravel section on which gravel and first organisms are placed, The section of the pool where the second creature is placed, Sedimentary sections in which sand, sediment and third organisms are placed, and Tail tank with the fourth creature placed A flow path unit including at least one of; An inlet for introducing water into the flow path; And An outlet through which water flows out of the flow path; A river simulated ecosystem system including, The tile section, the gravel section, the grass section, the sediment section, and the tail tank can be separated and combined with each other, and a river simulation ecosystem system that simulates a part of a river, respectively, is disclosed. The river simulated ecosystem system provided in one aspect of the present invention can provide a river simulated ecosystem system that is relatively easy to manufacture and move, and the configuration of the section can be variably modified according to the river configuration type, and multiple species are used. There is an advantage that it is possible.
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