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...Forest inventory a challenge for statistics erkki tomppo finnish research institute unioninkatu fin helsinki finland metla introduction statistically designed inventories were introduced simultaneously in three nordic countries norway and sweden the beginning of s e g ilvessalo estimating area volume growing stock as well analysing increment drain have been original objectives scope rst was however already much wider including information on site types silvicultural state structure applied required cutting regimes later new parameters related to health biodiversity appeared species abundances distributions needs are increasing especially at moment when awareness status loss biological diversity has arisen role forests pre venting global warming h...