The present invention provides a method for primary control of the floating colonies of serratus ferns, which are floating on the sea level of the coastal waters, in the corresponding water area before they are mass-introduced to a farm or a shoreline in an inland along the tide. It relates to a net fence and a control method using the same, and more specifically, a plurality of guide rings through which moxibustion ropes and foot ropes pass through are installed on the upper and lower sides of a fence-type net of a predetermined length that is cast on the surface of the sea level. , Using the moxibustion rope and foot rope rope, a net fence is produced so that the net can be closed or unfolded in a curtain style, and the floating community of hoesaengi mother and daughter distributed over a certain water area by loading the net fence on a ship is used as a net fence. After enclosing it, by tightening the net with moxibustion rope and foot rope, the floating community of the hoesaeng and the mother and child can be trapped inside the net fence in a densely accumulated state, so that the hoesaengi mother and child can be collected by a large vessel at sea. In addition to allowing easier and more economical control work compared to the method of collecting by manpower at the shoreline, etc., natural or artificial It relates to a net fence for controlling hoesaeng and lobe, which enables various control operations, such as dissipating it or moving it to a coastal area and disposing of it inland, and a method for controlling hoesaeng and lobe using the same.
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