| Abstract |
The trammel nets are noted for exploitation of fishes in sparsely populated water bodies. To effect proper gilling, entangling and retaining of fishes in the gear, correct twine size and hanging coefficient are to be selected. In the view of the above, trammel nets with inner webbing made of nylon 210/1/3 and 210/2/2 and horizontal and vertical coefficients of 0.4/0.8/0.6,0.5/0.8 and 9.5/0.6 are used in this experiment. The mesh size ratio of inner and outer webbing was kept 1:3. It is concluded that the relatively thicker inner webbing and normal hanging coefficients (0.5/0.8) are better for the exploitation of fishes in the Hirakud Reservoir. |
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