Meiofauna abundance and community structure were investigated in a sea disposal site in the Ligurian Sea, 1 year after the dumping of material dredged from the harbour of Leghorn. Faunistic analysis of cores taken in three stations subject to sediment discard and one in a control site found in all cases the Nematoda as the dominant taxon followed by the Harpacticoida Copepoda. While ANOVA could not detect statistically significant differences among stations, except station H5, the number of taxa and their density were higher than values obtain from samples collected two weeks and two months after the dumping. Sites H5 previously indicated as the most impacted site showed the higher density of total meiofauna and the most well-balanced repartition of taxa. Overall data support the working hypothesis of a progressive but differentiated faunistic recovery of the impacted sites.
Biomonitoring of a dumping area: the meiobenthic community / Baraldi, E.; VIRNO LAMBERTI, C.; Pellegrini, D.; Leasi, F.; Todaro, Mary Antonio Donatello. - In: BIOLOGIA MARINA MEDITERRANEA. - ISSN 1123-4245. - STAMPA. - 10:(2003), pp. 640-643.
Biomonitoring of a dumping area: the meiobenthic community
TODARO, Mary Antonio Donatello
2003
Abstract
Meiofauna abundance and community structure were investigated in a sea disposal site in the Ligurian Sea, 1 year after the dumping of material dredged from the harbour of Leghorn. Faunistic analysis of cores taken in three stations subject to sediment discard and one in a control site found in all cases the Nematoda as the dominant taxon followed by the Harpacticoida Copepoda. While ANOVA could not detect statistically significant differences among stations, except station H5, the number of taxa and their density were higher than values obtain from samples collected two weeks and two months after the dumping. Sites H5 previously indicated as the most impacted site showed the higher density of total meiofauna and the most well-balanced repartition of taxa. Overall data support the working hypothesis of a progressive but differentiated faunistic recovery of the impacted sites.
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