Zobrazeno 1 - 10
of 135
pro vyhledávání: '"Ahtikoski, Anssi"'
Publikováno v:
Silva Fennica, Vol 54, Iss 3 (2020)
A major after-use option for former peat harvesting areas has been afforestation. The profitability of afforestation with Scots pine trees ( L.) was studied in two 31â32-year old experiments in southern and northern Finland. The stands were establis
Externí odkaz:
https://doaj.org/article/49e8eb52dc974d499c7e8c157d8b8701
Publikováno v:
Silva Fennica, Vol 51, Iss 3 (2017)
Downy birch ( Ehrh.) stands on drained peatlands are often considered useless because they typically do not yield good-quality sawn timber. However, covering an area of ca. 0.5 million hectares and with total yields of up to 250 m ha, downy birch
Externí odkaz:
https://doaj.org/article/a89218002dbc4728a85362fb91a27f90
Publikováno v:
Silva Fennica, Vol 51, Iss 4 (2017)
This study was aimed at determining the maximum cost level of artificial drying required for cost-efficient operation. This was done using a system analysis approach, in which the harvesting potential and procurement cost of alternative fuel chip pro
Externí odkaz:
https://doaj.org/article/f8c7b28f098e4ca9ac1f13506a97ec52
Autor:
Hökkä, Hannu1 (AUTHOR) hannu.hokka@luke.fi, Ahtikoski, Anssi2 (AUTHOR), Sarkkola, Sakari3 (AUTHOR), Väänänen, Päivi3 (AUTHOR)
Publikováno v:
Canadian Journal of Forest Research. 2024, Vol. 54 Issue 10, p1142-1154. 13p.
Publikováno v:
Silva Fennica, Vol 49, Iss 3 (2015)
The long-term effects of fertilization on the needle nutrient concentrations, growth and financial performance of a Scots pine ( L.) stand was examined in a thick-peated drained peatland forest located in Central Finland. At the trial establishment i
Externí odkaz:
https://doaj.org/article/8149236f29804dea9c3003830e8e5c8e
Autor:
Heikkilä, Jani, Sirén, Matti, Ahtikoski, Anssi, Hynynen, Jari, Sauvula, Tiina, Lehtonen, Mika
Publikováno v:
Silva Fennica, Vol 43, Iss 1 (2009)
The effects of combined production of industrial and energy wood on yield and harvesting incomes, as well as the feasibility of energy wood procurement, were studied. Data for 22 Scots pine (Pinus sylvestris L.) and 21 Norway spruce (Picea abies (L.)
Externí odkaz:
https://doaj.org/article/b5fe7036cdfc42399e3928c56ecd4c54
Akademický článek
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Publikováno v:
New Forests; Sep2024, Vol. 55 Issue 5, p1425-1438, 14p
Autor:
Ahtikoski, Anssi1 (AUTHOR) anssi.ahtikoski@luke.fi, Nikula, Ari2 (AUTHOR), Nivala, Vesa2 (AUTHOR), Haikarainen, Soili3 (AUTHOR), Juutinen, Artti4 (AUTHOR)
Publikováno v:
Scandinavian Journal of Forest Research. Jun2023, Vol. 38 Issue 4, p197-207. 11p.
Autor:
Juutinen, Artti, Tolvanen, Anne, Saarimaa, Miia, Ojanen, Paavo, Sarkkola, Sakari, Ahtikoski, Anssi, Haikarainen, Soili, Karhu, Jouni, Haara, Arto, Nieminen, Mika, Penttilä, Timo, Nousiainen, Hannu, Hotanen, Juha-Pekka, Minkkinen, Kari, Kurttila, Mikko, Heikkinen, Kaisa, Sallantaus, Tapani, Aapala, Kaisu, Tuominen, Seppo
Publikováno v:
In Ecological Economics September 2020 175