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The comparison of temperature responses of two mytilids from the high (Brachidontes purpuratus) and low (Semimytilus algosus) intertidal zone of the Peruvian coast was carried out focusing on the production of micronucleus and nuclear abnormalities in gill tissue. Two temperatures (23 and 11°C) were evaluated, in presence of three mitomycin C concentrations as a stressor (0.02, 0.04 and 0.06 × 10−6...
Echinolittorina peruviana is the most common gastropod in the high intertidal zone of Peru, representing more than 80% of the individuals present at that zone. Experimental removal of snails was used to evaluate their effects on (a) abundance of epilithic biofilm, (b) barnacle recruitment, and (c) abundance of macroalgae under “normal” conditions of the El Niño Southern Oscillation (ENSO). Experiments...
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