Abstract
Abstract. The gorgonian Lophogorgia ceratophyta thrives in turbid water at Tinetto Rock, La Spezia Gulf, Ligurian Sea. Its age structure suggests that the population is in a steady state; nevertheless, it is difficult to discern whether the main factors controlling this population are biological or event‐related. Secondary production was estimated by means of an increment‐summation method and yielded 0.54 g ash‐free dry weight (AFDW)*m‐1 a‐1. This estimate does not take into account biomass losses due to reproductive output and non‐lethal predation. Standing stock biomass was 5.44 g AFDW e m‐2. The annual P/B ratio was 0.10 and turnover time about 10a
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