Direct production by Halimeda S H = C H A h GPR H Habitat area (m 2 ) A h = A s R Direct production by forams S F = C F A h GPR F Direct production by micromolluscs S M = C M A h GPR M Equations for direct sediment production For each zone: Direct production by articulated coralline algae S apg = C apg A h GPR apg TOTAL sediment production (kgy -1 ) S T = S F + S D Sum of all direct sediment production sources S D = S H + S F + S M + S apg
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