Sustainable oyster farming, West Marin style.

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Sustainable oyster farming, West Marin style. Click image to see larger version.

Sustainable oyster farming, West Marin style.
Click image to see larger version.

Nearly 6000 HDPE (high-density polyethylene) tubes used in the production of oysters in Drakes Estero. One person picked up every one of these by hand over a period of 3.5 years. All were found as far south as Slide Ranch, just south of Stinson Beach, and as far north as the tip of Tomales Point, as well as all points in-between.

Those black (and one green) grow-out bags are a fraction of the bags I recovered. The green one was found in Tomales Bay and is likely from one of the growers that raise oysters in that body of water.

Read about HDPE here.

NOTE: It has been pointed out to me a number of times that these tubes are made of high-density polyethylene (HDPE), not poly-vinyl chloride (PVC). I am finally getting around to correcting that error. [2014.03.30]

See the next post in this series here