| 摘要 |
PURPOSE: Provided is a eco-friendly dam for stream which makes marine organism communicate with each other. CONSTITUTION: The eco-friendly dam for stream comprises an antiseptic log(1) in a piled form to block stream by locating it on the bottom of the stream and to increase water level of the upper stream; another cylindrical wood(2) inserted into bottom of the stream around the log(1) to fix the log(1) in its place and projected at a desired height; a number of supporting stones(3) comprising predetermined size of huge stones and located at upper stream and lower stream along the log(1) to support the log.
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