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Radial variation in wood mineral element concentrations: a comparison of beech and pedunculate oak from the Belgian Ardennes
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Ring width and element concentrations in beech (Fagus sylvatica L.) from a periurban forest in Central Belgium
Soil seed banks in the heavy-metal polluted grasslands of Prayon (Belgium)
Les carrières de porphyre de Lessines (Hainaut, Belgique): flore et végétation (plantes vasculaires et bryophytes)