Survival and fecundity data, recorded in experimental populations of the archiannelid polychaete Dinophilus gyrociliatus were used to investigate the life-table response to enhanced zinc concentrations. Results evidencing a decrease of net reproductive rate (Ro), stable rate of population increase (r) and reduction of generation time (T), highlight a complex effect of zinc, in which reduction of fecundity is compensated by the concomitant decrease of generation time.
Short-term effects of enhanced zinc concentrations on population parameters of Dinophilus gyrociliatus (polychaeta) / Crema, Roberto; Mauri, Marina. - In: FRESENIUS ENVIRONMENTAL BULLETIN. - ISSN 1018-4619. - ELETTRONICO. - 10:(2001), pp. 212-216.
Short-term effects of enhanced zinc concentrations on population parameters of Dinophilus gyrociliatus (polychaeta)
CREMA, Roberto;MAURI, Marina
2001
Abstract
Survival and fecundity data, recorded in experimental populations of the archiannelid polychaete Dinophilus gyrociliatus were used to investigate the life-table response to enhanced zinc concentrations. Results evidencing a decrease of net reproductive rate (Ro), stable rate of population increase (r) and reduction of generation time (T), highlight a complex effect of zinc, in which reduction of fecundity is compensated by the concomitant decrease of generation time.
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