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Articles containing the keyword 'trampling'.

Category: Research article

article id 568, category Research article
Minna Malmivaara, Irja Löfström, Ilkka Vanha-Majamaa. (2002). Anthropogenic effects on understorey vegetation in Myrtillus type urban forests in southern Finland. Silva Fennica vol. 36 no. 1 article id 568. https://doi.org/10.14214/sf.568
The growth of urban population in Finland has resulted in increased fragmentation of urban forests and consequently increased recreational pressure on these forests. The effects of fragmentation and trampling on the ground and field layer vegetation were studied in mesic Myrtillus type Norway spruce-dominated urban forest stands of varying size in the greater Helsinki area. The number of residents living in the vicinity of the forest stands was an important factor affecting the understorey vegetation in urban forests. The cover of understorey vegetation in urban forests was remarkably lower than in rural areas, especially the ground layer cover, e.g. cover of Pleurozium schreberi, was significantly lower in urban forests than in the reference areas. Thus, the ground layer proved to be most susceptible to trampling. In the field layer, the cover of dwarf shrubs, especially of Vaccinium myrtillus, was lower in deteriorated than in undeteriorated urban forest stands.
  • Malmivaara, Finnish Forest Research Institute, P.O. Box 18, FIN-01301 Vantaa, Finland ORCID ID:E-mail: minna.malmivaara@metla.fi (email)
  • Löfström, Finnish Forest Research Institute, P.O. Box 18, FIN-01301 Vantaa, Finland ORCID ID:E-mail:
  • Vanha-Majamaa, Finnish Forest Research Institute, P.O. Box 18, FIN-01301 Vantaa, Finland ORCID ID:E-mail:

Category: Article

article id 5194, category Article
Tapio Lindholm, Matti Nummelin. (1983). Changes in the community structure of forest floor vegetation after repeated litter disturbance by raking. Silva Fennica vol. 17 no. 3 article id 5194. https://doi.org/10.14214/sf.a15177

The tolerance of disturbance of the ground and field layer vegetation in a moderately fertile Norway spruce (Picea abies (L.) H. Karst.) on Oxalis-Myrtillus type forest in Southern Finland was studied. One of the sites, a summer cottage yard had been raked regularly during the last 25 years. The structure of the vegetation was quite different compared to the other sample site situated in a virgin forest. The phytomass and percentual coverage of the vegetation was remarkable lower in the raked habitat. Tall mosses, Pleuroxium schreberi and Hylocomnium splendens had especially disappeared. Most grass shrubs had also deteriorated. Only Deschampsia flexuosa was quite tolerant to raking. The phytomass of the dwarf shrubs was lower in the raked area but their relative production was higher. Three different kinds strategies of species were described: species of virgin shaded forest, species of meadow-like forest floor and species which tolerate or benefit from disturbance. The raked habitat had a higher species diversity than the virgin area. Nitrogen and carbon contents were lower in the soil of the raked area.

The PDF includes a summary in Finnish.

  • Lindholm, ORCID ID:E-mail:
  • Nummelin, ORCID ID:E-mail:
article id 5056, category Article
Liisa Nylund, Antti Haapanen, Seppo Kellomäki, Markku Nylund. (1980). Radial growth of Scots pine and soil conditions at some camping sites in southern Finland. Silva Fennica vol. 14 no. 1 article id 5056. https://doi.org/10.14214/sf.a14997

Radial growth of Scots pine (Pinus sylvestris L.) was investigated in seven camping areas located in Southern Finland. Radial growth reduction of 20–40% were found. The magnitude of this reduction was related to the amount of damage in the trees, and the age of the trees. A loss of humus, exposure of the roots and soil compaction were associated with the use of area but not related to the reduction in growth.

The PDF includes a summary in Finnish.

  • Nylund, ORCID ID:E-mail:
  • Haapanen, ORCID ID:E-mail:
  • Kellomäki, ORCID ID:E-mail:
  • Nylund, ORCID ID:E-mail:
article id 5052, category Article
Markku Nylund, Antti Haapanen, Seppo Kellomäki, Liisa Nylund. (1979). Deterioration of forest ground vegetation and decrease of radial growth of trees on camping sites. Silva Fennica vol. 13 no. 4 article id 5052. https://doi.org/10.14214/sf.a14909

The ground cover vegetation and tree growth at several camping sites in Southern Finland were investigated. The deterioration of ground vegetation appeared to be unavoidable in these areas, and only a few grass species were tolerant to heavy trampling. Only moderate deterioration was, however, detected when the trampling level was lower than 10,00015,000 user days. On the other hand, the ground cover was completely destroyed when the trampling level exceeded 100,000 user days. A considerable decrease in radial growth appeared to be associated with destruction of the ground vegetation. The decrease was abrupt and was found to continue throughout the whole period of use. After ten years’ use the growth in the trampled areas was 35% lower than that that of the untrampled areas. A further decrease in radial growth is expected in the future. 

The PDF includes a summary in Finnish. 

  • Nylund, ORCID ID:E-mail:
  • Haapanen, ORCID ID:E-mail:
  • Kellomäki, ORCID ID:E-mail:
  • Nylund, ORCID ID:E-mail:
article id 5032, category Article
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.

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, ORCID ID:E-mail:
  • Wuorenrinne, ORCID ID:E-mail:
article id 5001, category Article
Seppo Kellomäki. (1978). Recreational potential of a forest stand. Silva Fennica vol. 12 no. 3 article id 5001. https://doi.org/10.14214/sf.a14855

The aim of the paper was to investigate the recreational potential of successional stand based on the suitability of the stands for different recreational activities and the trampling tolerance of ground cover. The relationship between selected recreational activities and the volume of the stands under study has been determined. These functions have been utilized in determining the potential of the successional stand for different recreational activities. Combining this information with trampling tolerance gave criteria for determining the recreational potential of a stand. The results emphasize the importance of varying the distribution of development stages in a recreational area and in its management.

The PDF includes a summary in Finnish.

  • Kellomäki, ORCID ID:E-mail:
article id 4972, category Article
Seppo Kellomäki. (1977). Deterioration of forest ground cover during trampling. Silva Fennica vol. 11 no. 3 article id 4972. https://doi.org/10.14214/sf.a14823

The aim of the present study was to investigate the trampling tolerance of forest ground cover of the Calluna, Vaccinium and Myrtillus type sites. Positive correlation was found between the site fertility and trampling tolerance of plant communities. Annual trampling at level of about 16,000 visits per hectare decreased the biomass of the ground cover to almost half of the original amount, and annual trampling of about 160,000 visits per hectare completely destroyed the forest ground cover irrespective of site fertility. Comparisons made between herb and grass dominated forest ground cover showed that herb and grass cover is in the long run the best alternative for the management of ground cover in intensively used recreation areas.

The PDF includes a summary in Finnish.

  • Kellomäki, ORCID ID:E-mail:
article id 4932, category Article
Marketta Hoogesteger. (1976). Kasvillisuuden muuttuminen Koilliskairan autiotupien ympärillä. Silva Fennica vol. 10 no. 1 article id 4932. https://doi.org/10.14214/sf.a14774
English title: Changes in vegetation around refuge huts in Koilliskaira forest area in Finnish Lapland.

The area of Koilliskaira, situated in the eastern part of Finnish Lapland, is a popular venue for hikers. The present work examines the change of vegetation around 35 refuge huts in the area. The indigenous vegetation was found to conform to the various heath forest types common to forests in Lapland and continental subalpine mountain birch forest types, principally dry or fairly dry heath forest.

According to the study, the change in vegetation showed a clear positive correlation with the number of summer visitors. The dwarf shrubs and lichens were the most susceptible to trampling, and the grasses the least so. Both resilient and susceptible species were to be found among the mosses. The incoming hemerophilous flora was seen to consist principally of species known to accompany Lappish settlement in the area, and only occasional cases of alien species were noted.

The PDF includes a summary in English.

  • Hoogesteger, ORCID ID:E-mail:
article id 4880, category Article
Seppo Kellomäki. (1973). Tallaamisen vaikutus mustikkatyypin kuusikon pintakasvillisuuteen. Silva Fennica vol. 7 no. 2 article id 4880. https://doi.org/10.14214/sf.a14716
English title: Ground cover response to trampling in a spruce stand of Myrtillus type.

The study deals with the trampling tolerance of forest vegetation in a Myrtillus type closed forest of Norway spruce (Picea abies (L.) H. Karst.), based on the effects of simulated trampling on the coverage and biomass on the field and between layers of the vegetation. The reliability of the results from the simulated trampling was tested by comparing them with those obtained from real trampling.

According to the results, the trampling tolerance of the bottom layers is greater than that of the field layer. The trampling tolerance of different species varies, so that grasses and dwarf shrubs have a higher tolerance capacity than herbs. Even light trampling of short duration caused noticeable changes in the coverage and biomass of the ground vegetation. Despite certain deficiencies, the simulated trampling gave parallel results of those obtained for real trampling.

The PDF includes a summary in English.

  • Kellomäki, ORCID ID:E-mail:
article id 4880, category Article
Seppo Kellomäki. (1973). Tallaamisen vaikutus mustikkatyypin kuusikon pintakasvillisuuteen. Silva Fennica vol. 7 no. 2 article id 4880. https://doi.org/10.14214/sf.a14716
English title: Ground cover response to trampling in a spruce stand of Myrtillus type.

The study deals with the trampling tolerance of forest vegetation in a Myrtillus type closed forest of Norway spruce (Picea abies (L.) H. Karst.), based on the effects of simulated trampling on the coverage and biomass on the field and between layers of the vegetation. The reliability of the results from the simulated trampling was tested by comparing them with those obtained from real trampling.

According to the results, the trampling tolerance of the bottom layers is greater than that of the field layer. The trampling tolerance of different species varies, so that grasses and dwarf shrubs have a higher tolerance capacity than herbs. Even light trampling of short duration caused noticeable changes in the coverage and biomass of the ground vegetation. Despite certain deficiencies, the simulated trampling gave parallel results of those obtained for real trampling.

The PDF includes a summary in English.

  • Kellomäki, ORCID ID:E-mail:
article id 7581, category Article
Seppo Kellomäki, Varpu-Leena Saastamoinen. (1975). Trampling tolerance of forest vegetation. Acta Forestalia Fennica no. 147 article id 7581. https://doi.org/10.14214/aff.7581

The trampling tolerance of ground vegetation of different types of forest stands has been examined in this study in the light of short-term trampling. The trampling treatment was simulated by a mechanical tamp. The relation between deterioration of the ground vegetation and the amount of the trampling was presumed to follow a curvilinear pattern when the material was being analysed. In order to quantify this relationship, a mathematical equation was developed for every plant community and their members of which the trampling tolerance was analysed. The trampling tolerance was compared using a parameter of the developed equations. Vegetation growing on sites of the Myrtillus, Vaccinium and Calluna types was included in the study.

The study showed a clear difference in the trampling tolerance between the ground vegetation of sites differing in their fertility. The ground vegetation typical of the Calluna type was found to have a lower trampling tolerance than the vegetation of the most fertile sites which were studied. It can be concluded that the relationship between the site fertility and the trampling tolerance of the ground vegetation is a curvilinear one such that the trampling tolerance of the vegetation on the poorest and the richest sites is lower than that of the vegetation growing on sites of medium fertility. However, it does appear that the most fertile sites have a higher trampling tolerance than the poorest sites. In addition, information about the trampling tolerance of a number of commonly occurring forest plants is also presented.

The PDF includes a summary in Finnish.

  • Kellomäki, ORCID ID:E-mail:
  • Saastamoinen, ORCID ID:E-mail:

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