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University of Helsinki Department of Geography
 
Department of Geography
Welcome
About

Tuuli Toivonen, Ph.D.

Senior lecturer, geoinformatics

Department of Geography
P.O. Box 64
00014 University of Helsinki
FINLAND


tel. +358-(0)9-191 50786
fax. +358-(0)9-191 50760
e-mail: tuuli.toivonen@helsinki.fi


Research Interests

  • Applications of geoinformatics and remote sensing in natural and built-up environments
  • Spatial patterns of landscape and biodiversity
  • Internet mapping, data delivery services and GI cooperation
  • Teaching through GIS - from comprehensive shool to university
  • Current study areas: Finland, Amazonia, Neotropics

Selected Publications in English, more in PDF

Salo M. & Toivonen T. (2009) Tropical Timber Rush in Peruvian Amazonia: Spatial Allocation of Forest Concessions in an Uninventoried Frontier. Environmental Management, On-line first

Christenhusz, M.J.M. & Toivonen T.K. (2008) Giants invading the tropics: the oriental vessel fern, Angiopteris evecta (Marattiaceae). Biological Invasions, 10, 1215–1228.

Kalliola, R., Toivonen, T., Miyakawa, V. & Mavila, M. (2008) Open access to information bridges science and development in Amazonia: lessons of the SIAMAZONIA service. Environmental Research Letters, 3: 034004 (7pp)

Toivonen, T. & Kalliola, R. (2007). A Novel Solution of the Finnish NSDI: Data Lending Service. Geoinformatics 10, 7:24-25.

Kalliola, R. & Toivonen, T. (2007) Tailor-made Facilities to Enhance Spatial Communication Services According to User Needs. Geoinformatics, 10, 5:20-23.

Toivonen, T., Mäki, S. & Kalliola, R. (2007). The riverscape of Western Amazonia – a quantitative approach to the fluvial biogeography of the region. Journal of Biogeography, 34: 1374–1387.

Schulman, L., Toivonen, T. & Ruokolainen, K. (2007). Analysing botanical collecting effort in Amazonia and correcting for it in species range estimation. Journal of Biogeography, 34: 1388–1399.

Heikkinen, R. Luoto, M., Kuussaari, M. & Toivonen, T. (2007). Performance of butterfly-landscape models depends on modelling technique, scale and model complexity. Landscape and Urban planning 79: 347-357.

Toivonen, T. (2006). Landscape Information in Quantitative Biogeography: In Search of a Balance Between Resolution and Extent. Annales Universitatis Turkuensis AII:190.

Toivonen, T., Kalliola, R., Ruokolainen, K. & Malik, R.N. (2006) Across-path DN gradient in Landsat TM imagery of Amazonian forests: a challenge for image interpretation and mosaicking. Remote Sensing of Environment 100: 550-562.

Toivonen, T. & Luoto, M. (2003). Landsat TM images in mapping of semi-natural grasslands and analysing of habitat pattern in an agricultural landscape in south-west Finland. Fennia 181: 49–67. Helsinki.

Vuorela, N. & Toivonen, T. (2003). Can the past suggest the present day biodiversity? – detecting and classifying change transitions in the landscape. Teoksessa Mander, U & Antrop, M. (toim.): Multifunctional Landscapes - Vol III: Continuity and Change, 135-166. WIT Publications.

Luoto, M., Toivonen, T. & Heikkinen, R. K. (2002). Prediction of total and rare plant species richness from satellite images and GIS data in agricultural landscapes. Landscape Ecology 17: 195-217.

Luoto, M., Kuussaari, M. & Toivonen, T. (2002). Analyzing and modeling distribution of a threatened butterfly using satellite images and GIS. Journal of Biogeography 29: 1027–1037.

Some related web sites

 

Tuuli Toivonen