1. Lammi Biological Station Prof. Lauri Arvola 4 seniors, 3 post docs, 5 post grads, 3 assistants Research interests Functioning of boreal forest lake ecosystems Limnology on a watershed scale Boreal Aquatic Ecology Research Group Photos: Ilpo Hakala http://www.helsinki.fi/lammi/english/index.htm CREON/GLEON Workshop, Townsville March 28-31, 2006 – Marko Järvinen Lammi Finland Europe

2. Photo: Ilpo Hakala Ongoing and Recent Projects Impact of climate on lake ecosystems Impact of land use and climate on riverine nutrient and DOM transport CO 2 and CH 4 emissions from boreal lakes Role of DOC in food webs and carbon cycle Long-term limnological data sets Intensive monitoring data Meteorological variables Thermistor chains Limnological variables (probes 2006) LTER ?

3. Lake Paajarvi (southern Finland, Europe 60º04 N, 25º08 E) Lake Pääjärvi Automated monitoring station southern boreal vegetation zone (airT 3.6ºC, precip 660 mm/a ) dimictic, humic, oligo-mesotrophy A 13.4 km 2, z max 85 m ice cover ~150 d Nov/Dec-Apr/May Buoy Station met-variables 2001 temp, O 2, pH, conductivity, chl-a, color (DOC) 2006 photos: llpo Hakala