Each Oyster Castle reef will be comprised by 8 manufactured concrete blocks (12” * 12” * 8” [L * W * H]). Each of these blocks are to be stackable and interlocking, and designed to create complex, stable habitat that is suitable for oyster settlement, growth, and survival. The footprint of the Oyster Castle reefs will be 3,240 ft2 (301 m2). The substrates should not entrap protected species, as no large (> 2 in) gaps should exist in these substrates. Furthermore, these substrates should not be comprised of petroleum products (e.g., creosote or asphalt materials).
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