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Total fine root biomass was 397 g/m2 at an afforested and fertilized tall sedge fen (VSN), and 529 g/m2 at a tall sedge pine fen (VSR). The studied sites were located on the Lakkasuo mire complex in central Finland. The greater biomass on the VSR site could be a result of its lower nutrient status compared to that of the fertilized VSN site. Total root production during May-September 1991 was 178 g/m2 at the VSN site and 242 g/m2 at the VSR site when all significant increments in the living and dead root biomasses were summed up. Almost half of the fine root biomass was renewed during the summer.
Keywords: Biomass, drainage, ground vegetation, necromass, Pinus sylvestris, production
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Finér,
Finnish Forest Research Institute, Joensuu Research Station, P.O. Box 68, FIN-80101 Joensuu, Finland
Sähköposti:
ei.tietoa@nn.oo
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Laine,
Sähköposti:
ei.tietoa@nn.oo
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Halko,
Sähköposti:
ei.tietoa@nn.oo