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Free Content Preliminary observations on the effect of cadmium on larval development of Capitella sp. B from Barcelona

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Abstract:

The effect of cadmium on survival, growth and metamorphosis of larvae of cultured Capitella sp. B were investigated. This is a poecilogonic species where two hatching periods occur. Larvae and juveniles produced during the first and second releases were exposed to 0, 57, 86 and 143 μg Cd g−1 dry wt sediment during a 31 d period. While no trend in individual survivorship was observed during the cadmium treatments, high concentrations provoked a delay in metamorphosis from metatrochophore to juvenile stage with a size reduction of non-metamorphosed larvae over the 31 d experimental duration. This preliminary study suggests that cadmium may be harmful to early development stages of Capitella sp. B producing a delay in recruitment into natural populations.

Document Type: Research Article

Publication date: May 1, 2002

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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