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Risto Lauhanen (email), Erkki Ahti

Kunnostusojituksen vaikutus rämemänniköiden kehitykseen

Lauhanen R., Ahti E. Kunnostusojituksen vaikutus rämemänniköiden kehitykseen.

English title: Effects of maintaining ditch networks on the development of Scots pine stands

Tiivistelmä

This study aimed at finding out the effects of maintaining ditch systems by ditch cleaning and complementary ditching on volume growth of drained Scots pine (Pinus sylvestris L.) stands. Volume growth during the first ten post-treatment years was increased by 0.16 m3 ha-1 a-1 after ditch cleaning, 0.36 m3 ha-1 a-1 after complementary ditching, and 0.48 m3 ha-1 a-1 after the combined treatment. The average growth reactions during the second five-year period were considerably higher than during the first one. No drastic reductions in stand growth, however, occurred in the untreated plots during the post-treatment period of ten years.

Avainsanat
forest drainage; peatland; ditch cleaning; complementary ditching; tree stand; Pinus sylvestris L.; volume growth

Tekijät
  • Lauhanen, The Finnish Forest Research Institute, Kaironiementie 54, FIN-39700 Parkano, Finland Sähköposti ei.tietoa@nn.oo (sähköposti)
  • Ahti, Sähköposti ei.tietoa@nn.oo

Vastaanotettu 31.10.2017 Julkaistu 1.1.2001

Katselukerrat 421

Saatavilla http://suo.fi/article/9811 | Lataa PDF

Creative Commons License CC BY-NC-ND 4.0

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Hakutulokset
Lauhanen R., Ahti E. (2001) Effects of maintaining ditch networks on the dev.. Suo - Mires and peat vol. 52 no. 1 artikkeli 9811
Joensuu S., Ahti E. et al. (2001) Long-term effects of maintaining ditch networks .. Suo - Mires and peat vol. 52 no. 1 artikkeli 9810
Joensuu S., Ahti E. et al. (2001) Discharge water quality from old ditch networks .. Suo - Mires and peat vol. 52 no. 1 artikkeli 9809
Ahti E., Paarlahti K. (1988) Leaching of nutrients from a peatland area after.. Suo - Mires and peat vol. 39 no. 1-2 artikkeli 9639
Ahti E., (1975) On the estimation of the influence of forest dra.. Suo - Mires and peat vol. 26 no. 1 artikkeli 9435
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