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Multi­discipli­nary & Innovative Courses

Environmental Impacts of Catchment from Headwaters to the Sea – COURSE CANCELLED!



Lammi Biological Station & Tvärminne Zoological Station, University of Helsinki

Related Degree Programmes:
Master’s Programme in Ecology and Evolutionary Biology

DENVI Doctoral Programme

LUOVA Doctoral Programme in Wildlife Biology Research





990-1490 (+ Expenses 1140. Expenses cover travel expenses to research stations, accommodation and meals at the stations. Please note that the departure flight from Stockholm Arlanda or Bromma Airport is not included.) EUR Learn more




Tiina Tulonen
Marko Reinikainen

Target group

Bachelor’s or Master’s students with basic knowledge in ecology, environmental or aquatic sciences


This course introduces students to the overall picture of environmental impact on the Baltic Sea. It will do so by analysing the role of catchment area and inland waters in the water quality and eutrophication of coastal waters. During the intensive field course the students will learn how land management, control of water pollution and ambient ecosystem dynamics affect water quality and ecosystems, and how this changes on the way from headwaters along the river basin to the Baltic Sea. The course will give a deeper understanding of the nutrient processes and their spatial and temporal dynamics in catchments and coastal areas, including transportation, modification and retention of nutrients and organic material.

Learning objectives

After completing the course, the students have knowledge of different Finnish aquatic ecosystems from headwaters to coastal waters of the Baltic Sea. Students will have gained insights into how the land use in catchment areas affects the water quality and biology. They will also have learned basic sampling and analytical methods used in aquatic ecology.

Course format and teaching methods

The course will be held at two field stations, Lammi Biological Station and Tvärminne Zoological Station and ends with an excursion to Askö Laboratory in Stockholm, Sweden.

The course contains lectures, excursions, fieldwork, group work and some laboratory work with water analyses. Excursions are made to different inland and coastal water bodies.

Course readings

Articles will be handed out during the course.

Means and criteria of assessment

Assessment is based on class participation and activity, group exercises and on completed personal essay. Students are divided into 4–5 groups. Items for group exercises and for personal essay are given at the beginning of the course. Syntheses of group exercises are presented at the stations. Assessment: participation during lectures and fieldwork 40%, group exercise 40% and essay 20%. Grading scale: 5 = excellent 4 = very good 3 = good 2 = average 1 = poor 0 = fail.

Course Schedule

Location: Lammi Biological Station (Finland), Tvärminne Zoological Station (Finland), Askö Station (Sweden)


Monday August 7, 2017     Arrival in Helsinki

Tuesday August 8, 2017    HSS Opening ceremony & Welcome Party (afternoon)

Wednesday August 9, 2017

  • 10.00-12.00 Bus-transport to Lammi
  • 12.00 -13.00 pm Lunch + CHECK-IN
  • 13.00-14.00 Introductory session: Dr Eeva Einola, Dr. Marko Reinikainen
  • 14.00-15.30 Excursion to a constructed wetland (River Koiransuolenoja) and Löytynoja catchment, sampling
  • 16.00-17.00 Lecture: Retaining nutrients in constructed wetlands (Sari Uusheimo)
  • Dinner
  • Sauna by the lake

Thursday August 10, 2017

  • Lecture: Characteristics of small headwater lakes (prof. Lauri Arvola)
  • Field excursion to Evo forest area and to Valkea-Kotinen nature reserve area, sampling
  • Laboratory work
  • Lecture: Contribution of forestry practices to water quality (Tiina Tulonen)

Friday August 11, 2017

  • Excursion to Lake Pääjärvi, sampling
  • Lecture: Nutrient leakage from agricultural land and impacts of land use management (Eeva Einola)
  • Lecture: Automated sensors in monitoring of water quality (Jussi Huotari)
  • Laboratory work



Monday August 14, 2017

  • Lecture: Control of water pollution in river basins (Eeva Einola)
  • Visit to Wastewater Treatment Plant in Paroinen; city of Hämeenlinna
  • Cruise and sampling in Lake Mallasvesi and Lake Roine
  • Sauna by the lake
  • Closing dinner

Tuesday August 15, 2017

  • Lecture: Impact of climate change on water ecosystems (Lauri Arvola)
  • Laboratory and group work
  • Group work presentations and sum-up of Lammi course period


Wednesday August 16, 2017

  • 9:00     Presentation of Tvärminne Zoological Station & course information (Marko Reinikainen)
  • 10:00  Lecture: Characteristics of coastal habitats in the Baltic Sea & Tvärminne area (Reinikainen)
  • 12:00  Lunch
  • 13:00  Field-excursion: Täktbukten Bay and its artificial wetland (WWF, Metsähallitus)
  • 18:00  Sauna (sauna & swimming at Baltic Sea shore – station’s general sauna-evening)


Thursday August 17, 2017

  • 9:00     Introduction to field work: rocky bottoms in the archipelago (Niko Nappu)
  • 10:00  Field work: sampling of rocky bottoms (Nappu)
  • 12:00  Lunch
  • 13:00  Field work continues/analysis of field samples (Nappu)
  • 15:00  Lecture: The Pojo Bay Estuary and its gradients (Nappu)

Friday August 18, 2017

  • 9:00     Cruise and sampling of biological and physico-chemical gradients at Pojo Bay (Nappu)

(Field lunch and visit at Källviken nature reserved included)

  • 18:00  Sauna (sauna & swimming at Baltic Sea shore)



Monday August 21, 2017

  • 9:00     Group work: preparation of presentations (Nappu)
  • 11:00  Group work: presentations (Nappu, Reinikainen)
  • 12:00  Lunch
  • 13:00  Group work: presentations continue/sum up of Tvärminne course period


Tuesday August 22, 2017

Arrival at Stockholm/Transport to the Island of Askö

Introduction to the Askö Station

Wednesday August 23, 2017

Sampling and demonstration of Askö studies in the Swedish archipelago

Thursday 24, 2017

Departure from Stockholm Arlanda or Bromma Airport. Please note that the departure flight from Stockholm Arlanda or Bromma Airport is not included in the excursion expenses.

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