Päivi Lyytikäinen-Saarenmaa

Publications

Research output per year 1992 2009 2010 2011 2013 2014 2015 2016 2023

• 78 Article
• 18 Conference contribution
• 13 Commissioned report
• 3 Digital or Visual Products
• 6 More
  • 2 Chapter
  • 2 Conference article
  • 1 Abstract
  • 1 Review Article

Research output per year

Research output per year

Search results

• 2023

  Comparison of Deep Neural Networks in the Classification of Bark Beetle-Induced Spruce Damage Using UAS Images †

  Turkulainen, E., Honkavaara, E., Näsi, R., Oliveira, R. A., Hakala, T., Junttila, S., Karila, K., Koivumäki, N., Pelto-Arvo, M., Tuviala, J., Östersund, M., Pölönen, I. & Lyytikäinen-Saarenmaa, P., Oct 2023, In: Remote Sensing. 15, 20, 4928.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2022

  Defoliation-Induced Growth Reduction of Pinus sylvestris L. after a Prolonged Outbreak of Diprion pini L.—A Case Study from Eastern Finland

  Blomqvist, M., Lyytikäinen-Saarenmaa, P., Kosunen, M., Kantola, T. & Holopainen, M., 27 May 2022, In: Forests. 13, 6, 12 p., 839.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Estimating Tree Health Decline Caused by Ips typographus L. from UAS RGB Images Using a Deep One-Stage Object Detection Neural Network †

  Kanerva, H., Honkavaara, E., Näsi, R., Hakala, T., Junttila, S., Karila, K., Koivumäki, N., Alves Oliveira, R., Pelto-Arvo, M., Pölönen, I., Tuviala, J., Östersund, M. & Lyytikäinen-Saarenmaa, P., Dec 2022, In: Remote Sensing. 14, 24, 6257.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• High-resolution analysis of observed thermal growing season variability over northern Europe

  Aalto, J., Pirinen, P., Kauppi, P. E., Rantanen, M., Lussana, C., Lyytikainen-Saarenmaa, P. & Gregow, H., Mar 2022, In: Climate dynamics : observational, theoretical and computational research on the climate system. 58, p. 1477-1493 17 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2020

  Kirjanpainajatuhojen (Ips typographus L.) seuranta ja mallinnus – varautuminen moninkertaistuviin häiriöihin

  Lyytikäinen-Saarenmaa, P., 2020, p. 32. 1 p.

  Research output: Conference materials › Abstract

  Open Access

• Storm and Ips typographus disturbance effects on carbon stocks, humus layer carbon fractions and microbial community composition in boreal Picea abies stands

  Kosunen, M., Peltoniemi, K., Pennanen, T., Lyytikäinen-Saarenmaa, P., Adamczyk, B., Fritze, H., Zhou, X. & Starr, M., Sept 2020, In: Soil Biology & Biochemistry. 148, 10 p., 107853.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Using multitemporal hyper-and multispectral UAV imaging for detecting bark beetle infestation on norway spruce

  Honkavaara, E., Nasi, R., Viljanen, N., Oliveira, R. A., Suomalainen, J., Khoramshahi, E., Hakala, T., Nevalainen, O., Markelin, L., Vuorinen, M., Kankaanhuhta, V., Lyytikäinen-Saarenmaa, P. & Haataja, L., 2020, In: The international archives of the photogrammetry, remote sensing and spatial information sciences. XLIII-B3-2020, p. 429–434

  Research output: Contribution to journal › Conference article › Scientific › peer-review

  Open Access

  File
• 2019

  Assessing Risks of the Spruce Bark Beetle (Ips typographus L.) Infestation in Wind-Disturbed Boreal Forest.

  Lyytikäinen-Saarenmaa, P., Kantola, T., Holopainen, M. & Kosunen, M., 8 Jul 2019, Population dynamics & integrated management of forest insects. Battisti, A., Pureswaran, D. & Branco, M. (eds.). Canadian Forest Service, Vol. 2019. p. 37 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

  Open Access

• Hemlock woolly adelgid niche models from the invasive eastern North American range with projections to native ranges and future climates

  Kantola, T., Tracy, J., Lyytikäinen-Saarenmaa, P., Saarenmaa, H. T., Coulson, R., Trabucco, A. & Holopainen, M., Apr 2019, In: IForest. 12, p. 149-159 11 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Metsätkin kohtaavat terveysriskejä

  Lyytikäinen-Saarenmaa, P., 20 Jun 2019, In: Ilmastokatsaus. 2019, 5, p. 10 1 p.

  Research output: Contribution to journal › Review Article

• Response of Soil Surface Respiration to Storm and Ips typographus (L.) Disturbance in Boreal Norway Spruce Stands

  Kosunen, M., Lyytikaeinen-Saarenmaa, P., Ojanen, P., Blomqvist, M. & Starr, M., Apr 2019, In: Forests. 10, 4, 16 p., 307.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• The potential of dual-wavelength terrestrial lidar in early detection of Ips typographus (L.) infestation – Leaf water content as a proxy

  Junttila, S., Holopainen, M., Vastaranta, M., Lyytikäinen-Saarenmaa, P., Kaartinen, H., Hyyppä, J. & Hyyppä, H., 15 Sept 2019, In: Remote Sensing of Environment. 231, 15 p., 111264.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2018

  Modelling the predisposition of Norway spruce to Ips typographus L. infestation by means of environmental factors in southern Finland

  Blomqvist, M., Kosunen, M., Starr, M., Kantola, T., Holopainen, M. & Lyytikäinen-Saarenmaa, P., Oct 2018, In: European Journal of Forest Research. 137, 5, p. 675-691 17 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Remote sensing of bark beetle damage in urban forests at individual tree level using a novel hyperspectral camera from UAV and aircraft

  Näsi, R., Honkavaara, E., Blomqvist, M., Lyytikäinen-Saarenmaa, P. M. E., Hakala, T., Viljanen, N., Kantola, T. A. & Holopainen, M. E., Mar 2018, In: Urban Forestry & Urban Greening. 30, p. 72-83 12 p., UFUG 26057.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2017

  Influence of soil and topography on defoliation intensity during an extended outbreak of the common pine sawfly (Diprion pini L.)

  Kosunen, M., Kantola, T., Starr, M., Blomqvist, M., Talvitie, M. & Lyytikäinen-Saarenmaa, P., Feb 2017, In: IForest. 10, p. 164-171 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2016

  BioVeL: a virtual laboratory for data analysis and modelling in biodiversity science and ecology

  Hardisty, A. R., Bacall, F., Beard, N., Balcazar-Vargas, M-P., Balech, B., Barcza, Z., Bourlat, S. J., De Giovanni, R., de Jong, Y., De Leo, F., Dobor, L., Donvito, G., Fellows, D., Guerra, A. F., Ferreira, N., Fetyukova, Y., Fosso, B., Giddy, J., Goble, C., Guentsch, A., & 32 othersHaines, R., Ernst, V. H., Hettling, H., Hidy, D., Horvath, F., Ittzes, D., Ittzes, P., Jones, A., Kottmann, R., Kulawik, R., Leidenberger, S., Lyytikäinen-Saarenmaa, P., Mathew, C., Morrison, N., Nenadic, A., de la Hidalga, A. N., Obst, M., Oostermeijer, G., Paymal, E., Pesole, G., Pinto, S., Poigne, A., Fernandez, F. Q., Santamaria, M., Saarenmaa, H., Sipos, G., Sylla, K-H., Tähtinen, M., Vicario, S., Vos, R. A., Williams, A. R. & Yilmaz, P., 20 Oct 2016, In: BMC Ecology. 16, 16 p., 49.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Development of a method for monitoring of insect induced forest defoliation - limitation of MODIS data in Fennoscandian forest landscapes

  Olsson, P-O., Kantola, T., Lyytikäinen-Saarenmaa, P., Jönsson, A. M. & Eklundh, L., 2016, In: Silva Fennica. 50, 2, 22 p., 1495.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Development of monitoring methods for Hemlock Woolly Adelgid induced tree mortality within a Southern Appalachian landscape with inhibited access

  Kantola, T., Lyytikainen-Saarenmaa, P., Coulson, R. N., Holopainen, M., Tchakerian, M. D. & Streett, D. A., 2 Jan 2016, In: IForest. 9, p. 178-186 9 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Effect of bark beetle (Ips typographus L.) attack on bark VOC emissions of Norway spruce (Picea abies Karst.) trees

  Ghimire, R. P., Kivimäenpää, M., Blomqvist, M., Holopainen, T., Lyytikäinen-Saarenmaa, P. & Holopainen, J. K., Feb 2016, In: Atmospheric Environment. 126, p. 145-152 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Impacts of natural enemies and stand characteristics on cocoon mortality of the pine sawfly Diprion pini in a Fennoscandian boreal forest.

  Blomqvist, M., Lyytikäinen-Saarenmaa, P., Kantola, T., Kosunen, M., Talvitie, M. & Holopainen, M., 2 Dec 2016, In: Silva Fennica. 50, 5, 20 p., 1615.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Metsähyönteisten aiheuttaman lehvästökadon kaukokartoitusseurannan kehittäminen Fennoskandian olosuhteisiin

  Lyytikäinen-Saarenmaa, P. M. E. & Kantola, T. A., 15 Dec 2016, In: Metsätieteen aikakauskirja. 2016, 3-4, p. 214-217 5 p.

  Research output: Contribution to journal › Article › Scientific

• Report of the Task force on the control of pine wood nematode in Portugal and Spain operating between November 2014 and October 2015

  Evans, H., Flot, J-L., Gaar, V., Gregoire, J-C., Hrasovec, B., Isacsson, G., Lyytikäinen-Saarenmaa, P. M. E., Mas i Gisbert, H., Rodriguez, J. M., Sanches, G., Schroeder, T., Sousa, E. M. & Tomalak, M., 22 Jun 2016, Brussel: European Commission, Directorate General for Health and Food Safety. 48 p. (EU Report, DG Sante; vol. 2016, no. Ares(2016)2889630 )

  Research output: Book/Report › Commissioned report

• 2015

  Automation Aspects for the Georeferencing of Photogrammetric Aerial Image Archives in Forested Scenes

  Nurminen, K., Litkey, P., Honkavaara, E., Vastaranta, M., Holopainen, M., Lyytikäinen-Saarenmaa, P., Kantola, T. & Lyytikäinen, M., 2015, In: Remote Sensing. 7, 2, p. 1565-1593 29 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Biotic stress accelerates formation of climate-relevant aerosols in boreal forests

  Joutsensaari, J., Yli-Pirilä, P., Korhonen, H., Arola, A., Blande, J. D., Heijari, J., Kivimäenpää, M., Mikkonen, S., Hao, L., Miettinen, P., Lyytikainen-Saarenmaa, P., Faiola, C. L., Laaksonen, A. & Holopainen, J. K., 2015, In: Atmospheric Chemistry and Physics. 15, 21, p. 12139-12157 19 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Biotic stress increases formation of climate-relevant aerosols in boreal forests

  Joutsensaari, J., Yli-Pirilä, P., Korhonen, H., Arola, A., Blande, J. D., Heijari, J., Kivimäenpää, M., Mikkonen, S., Hao, L., Miettinen, P., Lyytikäinen-Saarenmaa, P. M. E., Faiola, S., Laaksonen, A. & Holopainen, J., 18 Aug 2015, Centre of excellence in atmospheric science, Scientific conference. Kuopio, 3 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Professional

• Final report of a task force mission carried out in Portugal from 19 May 2015 to 22 May 2015 in order to provide advice on the organization, planning and monitoring of measures for containment of pine wood nematode

  Mathes, P., Evans, H., Flot, J-L., Gaar, V., Gregoire, J-C., Hrasovec, B., Isacsson, G., Lyytikäinen-Saarenmaa, P. M. E., Mas i Gisbert, H., Rodrigues, J. M., Sanchez, G., Schroeder, T., Sousa, E. M. P. & Tomalak, M., 9 Oct 2015, Brussel: European Commission, Directorate General for Health and Food Safety. 11 p. (EU Reports, DG(SANTE); vol. 2015, no. 2015-7499)

  Research output: Book/Report › Commissioned report

• Final report of a task force mission carried out in Spain from 15 June 2015 to 18 June 2015 in order to review contingency plans and measures for the control of pine wood nematode

  Mathes, P., Evans, H., Flot, J-L., Gaar, V., Gregoire, J-C., Hrasovec, B., Isacsson, G., Lyytikäinen-Saarenmaa, P. M. E., Mas i Gisbert, H., Rodrigues, J. M., Sanchez, G., Schroeder, T., Sousa, E. M. P. & Tomalak, M., 28 Aug 2015, Brussels: European Commission, Directorate General for Health and Food Safety. 11 p. (EU Reports, DG(SANTE); vol. 2015, no. 2015-7516)

  Research output: Book/Report › Commissioned report

• Final report of a task force mission to Portugal from 23 to 27 March 2015 in order to examine key aspects of the control of Bursaphelenchus xylophilus (pine wood nematode)

  Mathes, P., Evans, H., Flot, J-L., Gaar, V., Gregoire, J-C., Hrasovec, B., Isacsson, G., Lyytikäinen-Saarenmaa, P. M. E., Mas i Gisbert, H., Rodrigues, J. M., Sanchez, G., Schroeder, T., Sousa, E. M. P. & Tomalak, M., 30 Jun 2015, Brussels: European Commission, Directorate General for Health and Food Safety. 17 p. (EU Report, DG(SANTE); vol. 2015, no. 2015-7498)

  Research output: Book/Report › Commissioned report

• Final report of a task force mission to Portugal in order to review the strategies and measures in place for the control of Bursaphelenchus xylophilus (pine wood nematode) – Phase I.

  Mathes, P., Evans, H., Flot, J-L., Gaar, V., Gregoire, J-C., Hrasovec, B., Isacsson, G., Lyytikäinen-Saarenmaa, P. M. E., Mas i Gisbert, H., Rodrigues, J. M., Sanches, G., Schroeder, T., Sousa, E. M. P. & Tomalak, M., 18 Mar 2015, Brussels: European Commission, Directorate General for Health and Food Safety. 20 p. (EU Report, DG(SANTE); vol. 2015, no. 2014-7402)

  Research output: Book/Report › Commissioned report

• Hyönteistuhoriskien hallinta uusilla teknologioilla

  Lyytikäinen-Saarenmaa, P., Kantola, T., Blomqvist, M. & Kosunen, M., 2015, In: Metsätieteen aikakauskirja. 1, p. 36-41 6 p.

  Research output: Contribution to journal › Article › Scientific

• Using UAV-based photogrammetry and hyperspectral imaging for mapping bark beetle damage at tree-level

  Näsi, R., Honkavaara, E., Lyytikäinen-Saarenmaa, P. M. E., Blomqvist, M., Litkey, P., Hakala, T., Viljanen, N., Kantola, T. A., Tanhuanpää, T-M. T. & Holopainen, M. E., 2015, In: Remote Sensing. 7, 11, p. 15467-15493

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
• 2014

  Combining large timespan photogrammetrically derived forest point clouds with lidar.

  Litkey, P., Nurminen, K., Honkavaara, E., Vastaranta, M., Lyytikäinen-Saarenmaa, P. & Holopainen, M., 2014, ForestSAT2014 Open Conference System: presentations. Riva del Garda: ForestSAT Organizing Committee, 2 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific

• Kirjanpainajasta kesto-ongelma?

  Lyytikäinen-Saarenmaa, P., 2014, In: Metsäraha. 2014, 2014/1, p. 18-20 3 p.

  Research output: Contribution to journal › Article › General public

• Kirjanpainajatuhot - pysyvä riesa?

  Lyytikäinen-Saarenmaa, P. M. E., 16 May 2014, In: Metsäteollisuus ry:n blogi: Lastuja.

  Research output: Contribution to journal › Article › General public

• Luonnonvarariskien hallinta GeoIT-ratkaisuilla. Loppuraportti

  Hyyppä, J., Hyyppä, H., Kaivosoja, J., Holopainen, M., Lyytikäinen-Saarenmaa, P., Alho, P., Huttula, T., Sarjakoski, T. & Honkavaara, E., 25 Nov 2014, Maa- ja metsätalousministeriö. 117 p.

  Research output: Book/Report › Commissioned report

• Metsätuhojen riskit kasvavat

  Lyytikäinen-Saarenmaa, P., 2014, In: Maaseudun Tulevaisuus. 2014, p. 2 1 p.

  Research output: Contribution to journal › Article › General public

• Modelling forest insect distributions in Europe under climate change scenarios

  Lyytikäinen-Saarenmaa, P., Saarenmaa, H., Fetyukova, Y., De Giovanni, R., Williams, A., Kulawik, R., Obst, M. & Schelhaas, M. J., 2014, XXIV IUFRO World Congress 2014: Sustaining Forests, Sustaining People: The Role of Research. International union of forest research organizations, 1 p. (Book of abstracts).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Professional

• Spatial Distribution of Hemlock Woolly Adelgid Induced Hemlock Mortality in the Southern Appalachians

  Kantola, T., Lyytikäinen-Saarenmaa, P., Coulson, R. N., Strauch, S., Tchakerian, M. D., Holopainen, M., Saarenmaa, H. & Streett, D. A., 2014, In: Open Journal of Forestry. 4, p. 492-506 15 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2013

  Area-Based Mapping of Defoliation of Scots Pine Stands Using Airborne Scanning LiDAR

  Vastaranta, M., Kantola, T., Lyytikäinen-Saarenmaa, P., Holopainen, M., Kankare, V., Wulder, M., Hyyppa, J. & Hyyppa, H., 2013, In: Remote Sensing. 2013, 5, p. 1220-1234 15 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• A workflow framework for ecological niche modelling of interactions of forest insects and their host trees under various climate change scenarios.

  Lyytikäinen-Saarenmaa, P., Saarenmaa, H., Fetyukova, Y., De Giovanni, R., Williams, A., Kulawik, R., Hernandez-Ernst, V. & Obst, M., 2013, Electronic Abstract Book: The 11th Intecol Congress, Ecology: Into the next 100 years. 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Professional

• Classification of Needle Loss of Individual Scots Pine Trees by Means of Airborne Laser Scanning

  Kantola, T., Vastaranta, M., Lyytikäinen-Saarenmaa, P., Holopainen, M., Kankare, V., Talvitie, M. & Hyyppä, J., 2013, In: Forests. 4, 2, p. 386-403 18 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Ecological niche modelling of the European forest pest insects and their host trees under various climate change scenarios

  Lyytikäinen-Saarenmaa, P., Saarenmaa, H., Fetyukova, Y., De Giovanni, R., Williams, A., Kulawik, R., Hernandez-Ernst, V., Obst, M. & Schelhaas, M-J., 2013, Our forests in the 21st century - ready for risks and opportunities?: Electronic abstract book. Joensuu: European Forest Institute, 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Professional

• Effects on lepidopteran herbivores of feeding on leaves of transgenic birch (Betula pendula) expressing the sugar beet chitinase IV gene

  Vihervuori, L., Lyytikäinen-Saarenmaa, P., Lu, J. & Pasonen, H-L., 2013, In: European Journal of Entomology. 110, 2, p. 253-262 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Kädenvääntö ötökkälaista

  Lyytikäinen-Saarenmaa, P., 10 Oct 2013, In: Metsälehti. 2013, 19, p. 7 1 p.

  Research output: Contribution to journal › Article › General public

• Kirjanpainajat ruotuun

  Lyytikäinen-Saarenmaa, P., 26 Sept 2013, In: Metsälehti. 2013, 18, p. 9 1 p.

  Research output: Contribution to journal › Article › General public

• Muuttuva laki metsien hyönteis- ja sienituhoista ja sen vaikutus metsien terveyteen

  Lyytikäinen-Saarenmaa, P., 2013, Abstraktikirja: Suomen Metsätieteellinen Seura. Nygren, P. (ed.). p. 12 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Professional

• Needle removal by pine sawfly larvae increases branch-level VOC emissions and reduces below-ground emissions of Scots pine.

  Ghimire, R., Markkanen, J., Kivimäenpää, M., Lyytikäinen-Saarenmaa, P. & Holopainen, J., 2013, In: Environmental Science & Technology. 47, 9, p. 4325-4332 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• The effect of natural enemies on defoliation caused by the Common pine sawfly (Diprion pini L.)

  Lyytikäinen, M., Lyytikäinen-Saarenmaa, P., Kantola, T., Talvitie, M., Kosunen, M. & Holopainen, M., 2013, Forest insect disturbance in a warming environment: IUFRO 07.03.05 & 07.03.07 Conference, Banff, Alberta, Canada. 1 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Professional

• Vitsausten aalto uhkaa

  Lyytikäinen-Saarenmaa, P., 10 Dec 2013, In: Etelä-Suomen Sanomat. 2013, 1 p.

  Research output: Contribution to journal › Article › General public

• 2012

  Airborne laser scanning in mapping and monitoring structural forest damages

  Kantola, T., Vastaranta, M., Holopainen, M., Lyytikäinen-Saarenmaa, P. & Hyyppä, J., Oct 2012, The 2nd Forest Science Forum of international of sustainable forest management. 8 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific