Kristiina Karhu

Academy Research Fellow, Department of Forest Sciences
Assistant Professor, Department of Forest Sciences
Group Leader, Soils and climate change
Forest Soil Science and Biogeochemistry
Forest Ecology and Management
Supervisor for doctoral programme, Doctoral Programme in Interdisciplinary Environmental Sciences
Supervisor for doctoral programme, Doctoral Programme in Sustainable Use of Renewable Natural Resources

Phone+358504486149, +358294158160
Emailkristiina.karhu@helsinki.fi

PL 27 (Latokartanonkaari 7)
00014
Finland
Viikinkaari 1, Biocentre 3
00790 Helsinki
Finland
Viikinkaari 1, Biokeskus 3
00790 Helsinki
Finland

Research activity per year

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Personal profile

Fields of Science

4112 Forestry

International and National Collaboration

Publications and projects within past five years.

24 Article
2 Abstract
2 Poster
1 Book

Effects of two wood-based biochars on the fate of added fertilizer nitrogen—a ¹⁵N tracing study
Kalu, S., Oyekoya, G. N., Ambus, P., Tammeorg, P., Simojoki, A., Pihlatie, M. & Karhu, K., 28 Jan 2021, In : Biology and Fertility of Soils. 57, p. 457-470 14 p.
Research output: Contribution to journal › Article › Scientific › peer-review

Open Access
File
Potential of biochar soil amendments to reduce N leaching in boreal field conditions estimated using the resin bag method
Karhu, K., Kalu, S., Seppänen, A., Kitzler, B. & Virtanen, E., 3 May 2021, In : Agriculture, Ecosystems & Environment. 316, p. 1-10 10 p., 107452.
Research output: Contribution to journal › Article › Scientific › peer-review

Open Access
File
Hiiliopas: Katsaus maaperän hiileen ja hiiliviljelyn perusteisiin
Heinonsalo, J. (ed.), Heimsch, L., Helenius, J., Huusko, M. K., Höijer, L., Joona, J. M., Kanerva, S., Karhu, K., Kekkonen, H. R., Koppelmäki, K., Kulmala, L., Lötjönen, S., Mattila, T. J., Ollikainen, M., Peltokangas, K., Regina, K., Soinne, H., Wikström, U. & Viskari, T., Jan 2020, 1 ed. Kaarina: Carbon Action & Baltic Sea Action Group. 60 p.
Research output: Book/Report › Book › Professional

Open Access
File
Insect herbivory dampens Subarctic birch forest C sink response to warming
Silfver, T., Heiskanen, L., Aurela, M., Myller, K., Karhu, K., Meyer, N., Tuovinen, J-P., Oksanen, E., Rousi, M. & Mikola, J., 21 May 2020, In : Nature Communications. 11, 1, 9 p., 2529.
Research output: Contribution to journal › Article › Scientific › peer-review

Open Access
File
Carbon and nitrogen release in decomposition of boreal organic soils – Temperature sensitivity patterns.
Laurén, A., Lappalainen, M., Kieloaho, A-J., Karhu, K. & Palviainen, M., 2019. 1 p.
Research output: Conference materials › Abstract › peer-review

1 Finished
2 Active

Comparing the impact of continuous cover forest management and rotation forest management on long-term soil carbon storage
Roth, E., Karhu, K. & Helmisaari, H.
01/01/2020 → 31/12/2022
Project: Research project
TAITASMART: Environmental sensing of ecosystem services for developing climate smart landscape framework to improve food security in East Africa
Pellikka, P., Alakukku, L., Vesala, T., Johansson, T., Heiskanen, J., Räsänen, M., Tuure, J., Adhikari, H., Piiroinen, R., Abera, T., Tang, Z., Wachiye, S., Mäkelä, P., Karhu, K., Di Minin, E. & Autio, A.
European Commission, DG International Cooperation and Development
01/03/2018 → 01/03/2022
Project: Research project
InCan: Increasing soil carbon stocks and reducing nitrogen leaching with biochar
Kalu, S. & Karhu, K.
01/01/2018 → 31/12/2020
Project: University of Helsinki Three-Year Research Project

2 Oral presentation
2 Academic visit to other institution
1 Organisation and participation in conferences, workshops, courses, seminars
1 Supervisor or co-supervisor of doctoral thesis

TAITASMARTGIS
Petri Pellikka (Speaker: Chair), Tom Böhling (Speaker: Keynote), Kaarle Hämeri (Speaker: Keynote), Mika Siljander (Speaker: Chair), Laura Alakukku (Attendee), Juuso Tuure (Speaker: Presenter), Pirjo Mäkelä (Attendee), Matti Räsänen (Speaker: Presenter), James Mwangombe Mwamodenyi (Speaker: Presenter), Sheila Aswani Wachiye (Speaker: Presenter), Hari Adhikari (Speaker: Presenter), Edward Amara (Attendee), Janne Heiskanen (Attendee), Temesgen Abera (Speaker: Presenter), Eduardo Maeda (Attendee), Simon Schallhart (Attendee), Werner Kutsch (Speaker: Presenter), Antti Autio (Attendee), Kristiina Karhu (Speaker: Presenter), Kevin Mganga (Attendee), Risto Vesala (Attendee), Laura Arppe (Attendee), Hanna Rosti (Speaker: Presenter), Enrico Di Minin (Attendee) & Kai Nordlund (Speaker: Presenter)
1 Oct 2019
Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
University of Lund
Kristiina Karhu (Visiting researcher)
10 Sep 2019 → 13 Sep 2019
Activity: Visiting an external institution types › Academic visit to other institution
Priming effect in boreal forest soils along a fertility gradient
Kristiina Karhu (Speaker)
17 Sep 2017
Activity: Talk or presentation types › Oral presentation
University of Lund
Kristiina Karhu (Visiting researcher)
25 May 2017 → 8 Jun 2017
Activity: Visiting an external institution types › Academic visit to other institution
Supervision of doctoral thesis (Subin Kalu)
Priit Tammeorg (Supervisor), Laura Kristiina Karhu (Supervisor), Asko Juhani Simojoki (Co-supervisor) & Sanna Mari Kanerva (Co-supervisor)
2017 → 2021
Activity: Examination types › Supervisor or co-supervisor of doctoral thesis