Abstract
The present study concerns the genetic monitoring of three populations ofBalanus amphitrite from areas of the lagoon of Venice with different types of pollution. The comparison of gene and genotype frequencies and the multilocus structure among the considered populations suggest a strong influence of chemical pollutants on the genetic structure ofBalanus amphitrite, whereas thermal pollution does not seem to play a significant role. The results are consistent with the theory of natural selection. A possible selective mechanism is briefly discussed.
Riassunto
La presente ricerca è relativa al monitoraggio genetico di tre popolazioni diBalanus amphitrite raccolte in aree della laguna di Venezia caratterizzate da diversi tipi di inqumamento. II confronto tra le tre popolazioni a livello delle frequenze geniche e genotipiche e della struttura multilocus, suggerisce una forte influenza dellľ inquinamento chimico sulla struttura genetica diBalanus amphitrite. Ľinquinamento termico non sembra svolgere, da questo punto di vista, un ruolo significativo. I risultati ottenuti sono interpretabili in termini di selezione naturale. Un possibile meccanismo selettivo e qui brevemente discusso.
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Nella seduta del 18 novembre 1989
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patarnello, T., Diaz, R.G., Bressa, G. et al. Effetti gemetici delľinquinamento in popolazioni lagunari di Balanus amphitrite Darwin (Cirripedia: Thoracica). Rend. Fis. Acc. Lincei 1, 193–202 (1990). https://doi.org/10.1007/BF03001895
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DOI: https://doi.org/10.1007/BF03001895