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Silva Fennica 1926-1997
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Acta Forestalia Fennica
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Articles containing the keyword 'elk damages'.

Category: Article

article id 7604, category Article
Jukka Laine, Hannu Mannerkoski. (1980). Lannoituksen vaikutus mäntytaimikoiden kasvuun ja hirvituhoihin karuilla ojitetuilla nevoilla. Acta Forestalia Fennica no. 166 article id 7604. https://doi.org/10.14214/aff.7604
English title: Effect on fertilization on tree growth and elk damage in young Scots pine stands planted on drained, nutrient-poor open bogs in Finland.

An attempt was made in this study to determine which nutrients and in what amounts should be used in the fertilization of Scots pine (Pinus sylvestris L.) seedling stands on nutrient-poor open bogs in order to obtain optimum seedling growth and to minimize the risk of elk damage.

The most important nutrient to improve seedling growth in the experiments was phosphorus. Already rather small amounts produced a significant effect although the effect of higher dosages seemed to be longer lasting. After fertilization also nitrogen gave significant increase in growth. The number of seedlings damaged by elk increased the most on N-fertilized plots. Also, phosphorus increased the occurrence of elk damage, but effect seemed to be related to the better growth and more suitable size of P-fertilized seedlings. The effect of potassium on seedling growth and on occurrence of elk damage was negligible.

The PDF includes a summary in English.

  • Laine, ORCID ID:E-mail:
  • Mannerkoski, ORCID ID:E-mail:
article id 4648, category Article
Paavo Yli-Vakkuri. (1955). Männyn kylvötaimistojen hirvivahingoista Pohjanmaalla. Silva Fennica no. 88 article id 4648. https://doi.org/10.14214/sf.a9111
English title: Elk damage in seedling stands of Scots pine in Ostrobothnia.

The article reviews the occurrence of damage causes by elk (Alces alces L.) in young Scots pine (Pinus sylvestris L.) stands established by direct seeding in the Ostrobothia region in Finland. The data was collected by random sampling, and consists of 110 sample plots in pine stands, established in 1930-1944.

Signs of elk damages could be observed in 20% of the stands. In more than half of the damaged stands pine seedlings were damaged by elk, on the rest of the stands the damage was targeted to hardwood saplings only. With the present density of elk population, the damage has an insignificant bearing upon the development of pine seedling stands in Ostrobothnia. The weaknesses of silvicultural state of the stands have been caused by other factors than elk.

Silviculturally weak stands were more liable to elk damage than strong ones. The occurrence of elk damage was more usual in stands with hardwood mixture than in pure pine stands. Especially goat willow, mountain ash and aspen, but also to some decree birch, seem to attract elk. Those factors that promote hardwood growth: fertility of the site, swampiness and the presence of seeding hardwoods in the area, increase the stand’s liability to elk damage.

The article includes an abstract in English and a summary in Swedish.

  • Yli-Vakkuri, ORCID ID:E-mail:

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