Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Matti Häkkilä"'
Autor:
Sini Savilaakso, Anna Johansson, Matti Häkkilä, Anne Uusitalo, Terhi Sandgren, Mikko Mönkkönen, Pasi Puttonen
Publikováno v:
Environmental Evidence, Vol 10, Iss 1, Pp 1-38 (2021)
Abstract Background Forest harvesting changes forest habitat and impacts forest dependent species. Uneven-aged management is often considered better for biodiversity than even-aged management, but there is an ongoing discourse over the benefits and d
Externí odkaz:
https://doaj.org/article/d34cb33dc2e642cb915fed1b2f5a7314
Autor:
Matti Häkkilä, Anna Johansson, Terhi Sandgren, Anne Uusitalo, Mikko Mönkkönen, Pasi Puttonen, Sini Savilaakso
Publikováno v:
Environmental Evidence, Vol 10, Iss 1, Pp 1-20 (2021)
Abstract Background In boreal zone forest management is changing and degrading forest habitats, which has caused declines in biodiversity. To mitigate these harmful effects in production forests, small-scale habitats with high biodiversity values hav
Externí odkaz:
https://doaj.org/article/d31030ca9d4c4b0da40be004390892c0
Autor:
Matti Häkkilä, Sini Savilaakso, Anna Johansson, Terhi Sandgren, Anne Uusitalo, Mikko Mönkkönen, Pasi Puttonen
Publikováno v:
Environmental Evidence, Vol 8, Iss 1, Pp 1-9 (2019)
Abstract Background Forest harvesting is the main driver of habitat degradation and biodiversity loss in forests of the boreal zone. To mitigate harmful effects, small-scale habitats with high biodiversity values have been protected within production
Externí odkaz:
https://doaj.org/article/1d005964d35646fc997df4541e7fdf11
Autor:
Sini Savilaakso, Matti Häkkilä, Anna Johansson, Anne Uusitalo, Terhi Sandgren, Mikko Mönkkönen, Pasi Puttonen
Publikováno v:
Environmental Evidence, Vol 8, Iss 1, Pp 1-10 (2019)
Abstract Background Biodiversity is vital for human well-being, but is threatened by human actions world-wide. In the boreal zone, harvesting and management of forests on an industrial scale is the most important factor driving habitat change and deg
Externí odkaz:
https://doaj.org/article/a64dd998357f4e0fa725df69a8af80e8
Autor:
Matti Häkkilä, Eric Le Tortorec, Lluís Brotons, Ari Rajasärkkä, Risto Tornberg, Mikko Mönkkönen
Publikováno v:
PLoS ONE, Vol 12, Iss 9, p e0184792 (2017)
A main goal of protected areas is to maintain species diversity and the integrity of biological assemblages. Intensifying land use in the matrix surrounding protected areas creates a challenge for biodiversity conservation. Earlier studies have mainl
Externí odkaz:
https://doaj.org/article/a456c2d9a974477681214b92c05fa2b8
Autor:
Matti Häkkilä
Publikováno v:
Fennia: International Journal of Geography, Vol 180, Iss 1-2 (2002)
This paper studies the structural development of farms with more than one hectare of arable land in northern Finland and explores the reasons behind the development. The paper relies mainly on agricultural census information and farm register statist
Externí odkaz:
https://doaj.org/article/4be95020666c4f2f9a1f148631656066
Autor:
Matti Häkkilä
Publikováno v:
Fennia: International Journal of Geography, Vol 169, Iss 1 (1991)
The structural change in Finnish farming has been rapid. Simultaneously, the productivity in agriculture has increased and overproduction has been a problem since the 1960s. The development has not been similar throughout the whole of the country, ho
Externí odkaz:
https://doaj.org/article/a2ef32cb7e2b4db987effca02acf0d06
Autor:
Matti Häkkilä
Publikováno v:
Fennia: International Journal of Geography, Vol 162, Iss 2 (1984)
Externí odkaz:
https://doaj.org/article/37be361483874c61b76f307b23800a40
Autor:
Matti Häkkilä
Publikováno v:
Fennia: International Journal of Geography, Vol 135, Iss 1 (1974)
As a result of variations in forest growth factors along Finland's extensive north‑south axis, considerable differences are found between the north and the south of the country in volume of growing stock, increment per unit area, species domina
Externí odkaz:
https://doaj.org/article/fb8ac9093245464ca23ef4bcfb592ff0
Autor:
Matti Häkkilä
Publikováno v:
Fennia: International Journal of Geography, Vol 158, Iss 1 (1980)
Areal concentrations in the distribution of forestry land and forest land in Finland, total annual increment, fellings, forest returns and the timber utilized in the wood-processing industry were studied by means of cumulative maps and Lorenz diagram
Externí odkaz:
https://doaj.org/article/2ea48bd1c9c3477b907df7111639d8b0