[Genetic diversity in regeneration materials. Nordic Seminar arranged at Honne Konferansesenter, Biri, for Nordisk Skogbruks Froe- og Planteraad, 14.-15. November 1995]

biodiversidad biodiversity broadleaved trees calidad clone clones coniferales escandinavia feuillu frondosas genetic resources gestion des ressources procedencia production de semences provenance quality regeneration resource management scandinavia scandinavie seed seed production seed trees semence semencier semillas