Information för forskare

From this page you will find information of the services, equipment, and facilities available at the TZS. Station offers access to coastal ecosystems, several research vessels, sampling equipment, diving facilities, aquarium rooms, laboratories and long-term databases. Station´s helpful staff is on site all year round to help and assist visiting scientists. Services include also in situ deployments and installations. The use of facilities has to be reserved well in advance and is liable to charge.
Inquiries and bookings

Those who wish to carry out research at TZS are requested to fill in the application through the link below well in advance. For the busy summer season, the deadline for applications is end of March each year. When planning a larger research project one should always contact the station personnel to confirm availability of resources.


Tvärminnen zoological station has several vessels for coastal research, including the 18.5 m R/V Augusta equipped for heavy-duty sampling, the hover craft Saga for winter studies, and variety of smaller motorboats with outboard engines. There are also several rowing boats available free of charge for courses and people staying at the TZS.

Please follow the link below to read more about the boats available for coastal research and bookings of the boats in TZS.



Tvärminne zoological station has well equipped diving facilities and suitable boats for scientific diving, including services such as underwater sampling and building underwater installations and experiments. If you wish to conduct diving at the station or plan any activities involving diving, please follow the links below to read more about diving at TZS.

Station hosts also the Finnish Scientific Diving Academy (FSDA) through which high profile scientific diving courses are held. You can read more about the FSDA and dive training under FSDA page.

Experimental facilities

Tvärminne zoological station offers well equipped experimental facilities such as all year round temperature-regulated rooms and aquarium rooms. Station´s outdoor facilities are suitable for summertime experiments. During the summer season large-scale mesocosm experiments can also be arranged outside and in addition to these experimental facilities, the station is well equipped for conducting large-scale in-situ field experiments.

If you want to read more about the experimental facilities, please follow the link below.

Laboratory services and equipment

Laboratory facilities at the Tvärminne zoological station include a multi-purpose laboratory and laboratories for different analysis, spectroscopy, microscopy, and vacuum filtration. In addition station has variety of laboratory equipment available for researchers and it is possible to book a space from the laboratory for working.

Station also hosts a duplicate of the Finnish Marine Research Infrastructure (FINMARI) phytoplankton culture collection, managed by the Marine Research Centre, Finnish Environment Institute, including approx. 100 species strains of Baltic Sea phytoplankton, which can be used in experimental work.

Please read more and see the available laboratory resources and FINMARI phytoplankton culture collection through the links below.

Field equipment

Tvärminne Zoological Station offers large variety of instruments and field equipment. Equipment includes standard sampling equipment for all-year-round purposes from hand-held probes, plankton nets and water samplers to larger sediment corers.

If you want to see what equipment is available and make a booking, please follow the link below


Tvärminne zoological station has a long history of monitoring the environment and the oldest observations date back to the beginning of the 20th century. We are in the process of describing and opening our datasets. If you are interested in any of the data please follow the link below to see what we have. More information and access to the data through station´s research coordinator.



There are several microscopes available at the TZS for researchers. You can find the list through the link below. Inquiries, availability, and bookings for the microscopes go through station´s research coordinator.

Nature reserve

When planning work at the station it is important to know that the area around Tvärminne zoological station area is protected as a nature conservation area, which includes the sea and the seafloor. In the nature reserve, only activities related to research and education are allowed. A special permit is required for sampling in the area. Throughout the year it is not allowed to move in the area outside the official waterways or to go ashore any islands. Fishing is not allowed. Visiting islands is only allowed for research purposes. Permits for the research can be discussed and applied through TZS research coordinator.


Read more about pricing such as bench fees, costs for boat hire, technical assistance, accommodation and dining through the link below.