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| THE PRELIMINARY STUDY ON THE SEMI-ARTIFICIAL COLLECTION OF VENUS CLAM’S SPATS |
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| The experimental result shows that, of the nine different methods for semi-artificial collection of venus clam’s (Meretrix meretrix Linnaeus) spats, the best one is to spread fine sand (diameter between 0.2 and 1 mm) over the tidal zone. The breeding period of venus clam is between mid-July and the first ten days of August. The semi-artificial collection of its spats should be done after 5-7 days of spawning. The most suitable area for the collection lies between the upper mid-tidal zone and the lower high tidal zone. |
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