Seppo Kellomäki, Heikki Wuorenrinne. (1979). Kaupunkimetsien vaurioitumiseen vaikuttavista tekijöistä. Silva Fennica vol. 13 no. 2 article id 5032. https://doi.org/10.14214/sf.a14889

English title: Factors affecting deterioration of urban forests.

Original keywords: taajamametsät; kulutuksenkestävyys; metsien pirstoutuminen

English keywords: fragmentation; fertility; trampling tolerance; urban forests; deterioration of forests

Abstract | View details | Full text in PDF | Author Info

The objective of the study was to investigate the factors affecting the deterioration of urban forests based on literature. Regression analysis is applied to the material obtained from unpublished material of the latter author. The size of forest stand, and its fertility proved to exercise the greater effect on the deterioration of urban forests. A model based on these factors has been developed and its area of applying is discussed.

The PDF includes a summary in English.

Kellomäki, E-mail: sk@mm.unknown
Wuorenrinne, E-mail: hw@mm.unknown

article id 5030, category Article

Camilla Rosengren. (1979). Luonnonkasvillisuus asuntoalueilla. Silva Fennica vol. 13 no. 2 article id 5030. https://doi.org/10.14214/sf.a14886

English title: Natural vegetation within housing areas.

Original keywords: maankäyttö; taajamametsät; seminaari; luonnonympäristö; maisemasuunnittelu; taajamat

English keywords: landscape planning; urban forests; land uses; seminar; MAB; natural envirionment; urban areas

Abstract | View details | Full text in PDF | Author Info

The article describes the results of the studies made in 24 Finnish housing areas. They show that the building density is not as important as the way of building and the site planning, in the view of preserving natural vegetation in the site. Building on slopes was difficult with modern building techniques because of the extensive earthwork required.

This paper was presented in the ‘Man and the Biosphere’ programme Project 2 seminar held on August 24–25 1978 in Hyytiälä research station of University of Helsinki.

The PDF includes a summary in English.

Rosengren, E-mail: cr@mm.unknown

article id 5026, category Article

Alpo Enivaara. (1979). Pyynikin harjumännikön uudistaminen ja elvyttäminen. Silva Fennica vol. 13 no. 2 article id 5026. https://doi.org/10.14214/sf.a14881

English title: Regeneration and improvement of the Scots pine forest of Pyynikki esker in Southern Finland.

Original keywords: mänty; uudistaminen; seminaarit; maankäyttö; harju; Pyynikki; taajamametsät

English keywords: Pinus sylvestris; regeneration; Scots pine; urban forests; seminar; MAB; natural park

Abstract | View details | Full text in PDF | Author Info

Pyynikki is a unique natural park in the centre of the city of Tampere in Southern Finland. Currently, the forest of Pyynikki is losing its vigour because of aging and environmental factors. In 1977 a policy was designed for the regrowth of Scots pine (Pinus sylvestris L.) forest and improvement of the condition of the trees to avoid the situation that the whole pine forest (34 ha) would be regrown at one time. The period of regrowth of pine forest is 60 years. It is accomplished by cutting small openings, on which 4-year old potted pine saplings are planted. Birch will be planted only on two spots. The aim is that the forest scenery will be maintained as undamaged as possible. The condition of the growing forest will be improved by fertilization and thinning.

This paper was presented in the ‘Man and the Biosphere’ programme project 2 seminar held on August 24–25 1978 in Hyytiälä research station of University of Helsinki.

The PDF includes a summary in English.

Enivaara, E-mail: ae@mm.unknown

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