A Consolidated Hard Substratum composed of a mixture two or more of Pavement, Megaclasts and Boulders, but where no individual component exceeds ≥ 80 % of the substratum surface/composition.
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A Consolidated Hard Substratum composed of a mixture two or more of Pavement, Megaclasts and Boulders, but where no individual component exceeds ≥ 80 % of the substratum surface/composition.
Authorised by the Executive Director, Institute for Marine and Antarctic Studies.
