| one publication added to basket [7113] | Effets de l'afflux d'eaux pluviales sur les peuplements infralittoraux d'annélides polychètes (Annelida Polychaeta) à San Giovanni Li Cuti (Catane, Sicile) = Effects of fresh water afflux on polychaetous annelids (Annelida Polychaeta) of the hard bottoms in San Giovanni Li Cuti (Catania, Sicily)
Mòllica, E. (1998). Effets de l'afflux d'eaux pluviales sur les peuplements infralittoraux d'annélides polychètes (Annelida Polychaeta) à San Giovanni Li Cuti (Catane, Sicile) = Effects of fresh water afflux on polychaetous annelids (Annelida Polychaeta) of the hard bottoms in San Giovanni Li Cuti (Catania, Sicily). Mar. Life 8(1-2): 11-17
In: Marine Life = Vie Marine. Institut Océanographique Paul Ricard: Marseille. ISSN 1168-3430; e-ISSN 2117-7368, more
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| Abstract |
The author studied the polychaetes population in a coastal zone of the eastern Sicily (San Giovanni Li Cuti) almost exempt from contamination by urban and industrial pollutants but exposed to significant seasonal variations in salinity due to the afflux of fresh rainwater, with the aim to verify the effects of the drop in salinity on the polychaetes population independently of pollution. Sampling was performed in 23 stations at different depth and distances from the coast, during two different seasons (spring and autumn). The results compared with those obtained in a previous study performed in an area of similar assemblage, showed that polychaetes react promptly to variations in salinity, that the number of species and individuals is inversely related to the salinity, but also that when salinity decreases some less resistant species migrate towards areas of higher salinity. |
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