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University of Helsinki Faculty of Biological and Environmental Sciences

Tvärminne Zoological Station

Information about the Station:

Contact information:

Station office:
J.A. Palménin tie 260
10900 HANKO
phone +358-(0)2941 28090
fax      +358-(0)2941 28049


Tvärminne Zoological Station (together with Lammi Biological Station and Kilpisjärvi Biological Station) belongs to the Faculty of Biological and Environmental Sciences, University of Helsinki. It is a marine station located at the entrance to the Gulf of Finland in the Baltic Sea. It serves as a centre for a large variety of high quality biological research, carries out environmental monitoring, and offers facilities for field courses, symposia and seminars, also in non-biological disciplines.

The Station is part of the FINMARI infrastructure network, with the aim of providing easy access to all major Finnish marine research infrastructures. The network consists of coastal field stations, research vessels, laboratories, fixed measurement platforms and buoys in the Northern Baltic Sea. The Station also belongs to a broader network of Finnish University research stations, which is spread across the whole country.

The station was established in 1902 and thus provides good background data for studying long-term environmental change. In addition, it is situated in a nature reserve, where only research and teaching activities are allowed. TZS is open all year round and we welcome visiting scientist, Finnish as well as foreign, to conduct their research at the TZS.

Information about publications, research projects and the species found in the area around TZS can be found under the Tvärminne Research Gateway.

Welcome to Tvärminne!