[Nature conservation in forestry: measurable results: a SNS project]

aclareo agua del suelo biotope biotopes calidad ciencias forestales conservation de la nature danemark denmark dinamarca eau du sol ecologia ecologie ecology endangered species enregistrement environment environnement ethics etica foresterie forestry forestry production indicator plants insecta medio ambiente nature conservation noruega norway plantas indicadoras plante indicatrice quality registration registro soil water suecia sweden thinning