Abstract

Clams are the primary shellfish farmed in Taiwan. From stocking seed clams to harvesting, it takes about 10-15 months. Farmers must be attentive to the water temperature, salinity, pH and dissolved oxygen. When required, perform daily measures to provide good water quality for growth. Additionally, due to the high stocking density in Taiwan, as the clams grow to a certain size, their growth will be affected by the gradual deterioration of the living environment or the decrease in the growing space. Therefore, if the slowing down of the growth of clams can be noticed immediately, effective approaches can then be performed. For instance, to dig the bottom of the pond and get rid of excessive suspended organic matter, to maintain the growth of the clams. Through developing the monitoring application technology of Autonomous Underwater Vehicle (AUV), in conjunction with the underwater image monitoring, images of the clam cultivation pond bottom of the clam demonstration site have been obtained through remote control and camera by this study. From the images, abnormal changes of the cultivation environment can be noted, allowing the farmers to take corresponding measures to the noted abnormalities during the farming period, so as to lower losses and decrease manpower consumed in keeping watch over the clam farms.

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