Seasonal species composition and distribution of barnacle larvae in Avacha Inlet (Kamchatka)

• Published in: Journal of Plankton Research
• Main Authors: Korn, Olga M., Kulikova, Valentina A.
• Format: Text
• Language: English
• Published: Oxford University Press 1995
• Subjects: ORIGINAL ARTICLES; Avacha; Kamchatka
• Online Access: http://plankt.oxfordjournals.org/cgi/content/short/17/2/221; https://doi.org/10.1093/plankt/17.2.221

The annual dynamics of the numbers and distribution of barnacle larvae in Avacha Inlet were studied. Planktonic cirripede larvae were found in the area studied from late March at a temperature of −1–0°C until October. The highest density of 18 000 m−3 was observed in mid-April. Balanus crenatus and Semibalanus cariosus were the dominant species, Chthamalus dalli and Balanus balanus larvae being less abundant. Naupliar density was maximal at 0–5 m and decreased with depth. Maximum densities of B.crenatus larvae were observed in Rakovaya Bay, where there are many ships and a seawater-cooled power station. Most nauplii of the intertidal barnacle S.cariosus , which prefers wave-exposed open coast, were taken in the Avacha Inlet narrows Settling on artificial substrata was most intensive from late May to early June