Heikki Pitkänen
Heikki Pitkänen
Kehittämispäällikkö, MMT, Suomen ympäristökeskus
Vahvistettu sähköpostiosoite verkkotunnuksessa ymparisto.fi
NimikeViittauksetVuosi
Hypoxia-related processes in the Baltic Sea
DJ Conley, S Bj̈orck, E Bonsdorff, J Carstensen, G Destouni, ...
Environmental Science & Technology 43 (10), 3412-3420, 2009
3942009
Internal ecosystem feedbacks enhance nitrogen-fixing cyanobacteria blooms and complicate management in the Baltic Sea
E Vahtera, DJ Conley, BG Gustafsson, H Kuosa, H Pitkänen, OP Savchuk, ...
AMBIO: A journal of the Human Environment 36 (2), 186-195, 2007
3672007
Internal nutrient fluxes counteract decreases in external load: the case of the estuarial eastern Gulf of Finland, Baltic Sea
H Pitkänen, J Lehtoranta, A Räike
AMBIO: A Journal of the Human Environment 30 (4), 195-202, 2001
1982001
Trends of phosphorus, nitrogen and chlorophyll a concentrations in Finnish rivers and lakes in 1975–2000
A Räike, OP Pietiläinen, S Rekolainen, P Kauppila, H Pitkänen, J Niemi, ...
Science of the Total Environment 310 (1-3), 47-59, 2003
1582003
The transport and retention of dissolved silicate by rivers in Sweden and Finland
DJ Conley, P Stålnacke, H Pitkänen, A Wilander
Limnology and Oceanography 45 (8), 1850-1853, 2000
1372000
Eutrophication of the Finnish coastal waters: Origin, fate and effects of riverine nutrient fluxes
H Pitkänen
National Board of Waters and the Environment, 1994
981994
Nitrogen and phosphorus fluxes from Finnish agricultural areas to the Baltic Sea
S Rekolainen, H Pitkänen, A Bleeker, S Felix
Hydrology Research 26 (1), 55-72, 1995
971995
Nitrogen and phosphorus as production limiting factors in the estuarine waters of the eastern Gulf of Finland
H Pitkänen, T Tamminen
Marine Ecology Progress Series 129, 283-294, 1995
861995
Evaluating the effects of nutrient load reductions on the biomass of toxic nitrogen-fixing cyanobacteria in the Gulf of Finland, Baltic Sea
M Kiirikki, A Inkala, H Kuosa, H Pitkänen, M Kuusisto, J Sarkkula
Boreal Environment Research 6 (2), 131-146, 2001
832001
Coastal eutrophication thresholds: a matter of sediment microbial processes
J Lehtoranta, P Ekholm, H Pitkänen
AMBIO: A Journal of the Human Environment 38 (6), 303-309, 2009
762009
Late summer trophic conditions in the north-east Gulf of Finland and the River Neva Estuary, Baltic Sea
H Pitkänen, T Tamminen, P Kangas, T Huttula, K Kivi, H Kuosa, ...
Estuarine, Coastal and Shelf Science 37 (5), 453-474, 1993
721993
A simple sediment process description suitable for 3D-ecosystem modelling—Development and testing in the Gulf of Finland
M Kiirikki, J Lehtoranta, A Inkala, H Pitkänen, S Hietanen, POJ Hall, ...
Journal of Marine Systems 61 (1-2), 55-66, 2006
632006
Denitrification in estuarine sediments in the eastern Gulf of Finland, Baltic Sea
V Gran, H Pitkänen
Biological, Physical and Geochemical Features of Enclosed and Semi-enclosed …, 1999
601999
Tracing pollution and recovery using sediments in an urban estuary, northern Baltic Sea: are we far from ecological reference conditions?
P Kauppila, K Weckström, S Vaalgamaa, A Korhola, H Pitkänen, N Reuss, ...
Marine Ecology Progress Series 290, 35-53, 2005
582005
Predicting coastal eutrophication in the Baltic: a limnological approach
JJ Meeuwig, P Kauppila, H Pitkänen
Canadian Journal of Fisheries and Aquatic Sciences 57 (4), 844-855, 2000
572000
Evaluation of the implementation of the 1988 Ministerial Declaration regarding nutrient load reductions in the Baltic Sea catchment area
A Lääne, H Pitkänen, B Arheimer, H Behrendt, W Jarosinski, S Lucane, ...
Finnish Environment Institute, 2002
492002
Searching efficient protection strategies for the eutrophied Gulf of Finland: the combined use of 1D and 3D modeling in assessing long-term state scenarios with high spatial …
H Pitkänen, M Kiirikki, OP Savchuk, A Räike, P Korpinen, F Wulff
AMBIO: A Journal of the Human Environment 36 (2), 272-280, 2007
452007
Cost effective water protection in the Gulf of Finland–Focus on St. Petersburg
M Kiirikki, P Rantanen, R Varjopuro, A Leppänen, M Hiltunen, H Pitkänen, ...
Finnish Environment Institute, 2003
442003
An economic–ecological model to evaluate impacts of nutrient abatement in the Baltic Sea
L Ahlvik, P Ekholm, K Hyytiäinen, H Pitkänen
Environmental modelling & software 55, 164-175, 2014
422014
Eutrophication-driven sediment microbial processes can explain the regional variation in phosphorus concentrations between Baltic Sea sub-basins
J Lehtoranta, P Ekholm, H Pitkaenen
Journal of Marine Systems 74 (1-2), 495-504, 2008
382008
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Artikkelit 1–20