How do harvesters prevent being swept away by strong sea currents?

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Harvesters Use a Safety Rope and Wood Attachment to Counter Strong Currents

Gayam snail harvesters on Pulau Tuba employ a specific safety measure to prevent being swept away by powerful sea currents. They attach a piece of wood to a rope and hold onto this at the water's surface while diving to collect the snails from the seabed. This method provides a crucial anchor point, allowing them to maintain their position and avoid being carried off by the water's flow.
Safety Protocol Involves Wood and Rope

The technique described by Rahman Ahmad, a 49-year-old harvester, involves a simple yet effective tool. A piece of wood is tied to a rope, and the harvester secures themselves by holding onto the wood. This allows them to remain tethered to a fixed point on the surface, offering a vital safeguard against the unpredictable forces of the sea.
Diving Depth and Current Strength Dictate Harvesting Conditions

The harvesting process is carefully managed around natural conditions. Divers typically go down two to three metres to reach the seabed where the gayam snails are found, buried about two inches beneath the sediment. Harvesting activities are halted if the water depth exceeds four metres, indicating currents that are likely too strong to safely navigate. Harvesters also favour periods of "dead water," when sea currents are naturally weaker, often aligning with low-tide schedules, usually five days a week.
Silt Jets Indicate Snail Location

The presence of gayam snails is indicated by jets of silt that rise to the surface from their buried location on the seabed. Once these signs are observed, harvesters use a scoop to collect the snails. This method of detection, combined with the safety rope and wood attachment, forms the core of their specialized, albeit challenging, harvesting technique.

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How do harvesters prevent being swept away by strong sea currents?

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