Abstract
Volume regulation (weight change) correlates with varying salinity — Cu regimes in whole worms. Decapitation removed this correlation. Regulation of volume and Cu ion uptake are not coupled. Whole worms when exposed to Cu levels of 0.15 to 0.45 mg L−1 accumulated Cu which ranged from 48.9 to 145 μg g−1 dry weight within four days. Decapitated worms exposed to similar doses of Cu accumulated from 77.3 to 405.4 μg g−1 dry weight Cu within three days. Volume regulation appears to be both passive and active processes mediated by the nervous system.
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Ozoh, P.T.E. Volume regulation and accumulation of copper in whole and decapitated Hediste (Nereis) diversicolor under varying salinity — Copper regimes. Water Air Soil Pollut 49, 215–230 (1990). https://doi.org/10.1007/BF00507065
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DOI: https://doi.org/10.1007/BF00507065