Lammi Biological Station Prof. Lauri Arvola 4 seniors, 3 post docs, 5 post grads, 3 assistants Research interests Functioning of boreal forest lake ecosystems.

Lammi Biological Station

Prof. Lauri Arvola4 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 Hakalahttp://www.helsinki.fi/lammi/english/index.htm

CREON/GLEON Workshop, Townsville March 28-31, 2006 – Marko Järvinen

Lammi Finland Europe

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 CO2 and CH4 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 ?

Lake Paajarvi (southern Finland, Europe 60º04’ N, 25º08’ E)Lake PääjärviAutomated monitoring station

southern boreal vegetation zone(airT 3.6ºC, precip 660 mm/a )▪ dimictic, humic, oligo-

mesotrophy▪ A 13.4 km2, zmax 85 m▪ ice cover ~150 d

Nov/Dec-Apr/May

Buoy Station▪ met-variables 2001 ▪ temp, O2, pH, conductivity, chl-

a,color (DOC) 2006

photos: llpo Hakala