%0 Research Notes %T Forest regeneration in old forest drainage areas %A Saarinen, Markku %D 1989 %J Suo - Mires and peat %V 40 %N 1 %U http://suo.fi/article/9650 %X There are 150 000 hectares of mature stands and about 270 000 hectares of low-yielding stands in forest drainage areas in Finland. Most of them are on transforming or transformed peatlands. Conditions of these areas for forest regeneration differ from those of virgin and newly ditched peat-lands. The paper presents a review of studies in forest regeneration in old drainage areas. Also the needs for further research is discussed. Keywords: Drainage, regeneration, transformed mires