In this book, the authors present current research in the study of the ecology, management and conservation of spruce. Topics discussed include Norway spruce picea abies regeneration and canopy disturbance in a carpathian subalpine forest; uncultured archaea in spruce rhizospheres and mycorrhizas; reversible variations in some wood properties of Norway spruce depending on the tree felling date; Vitamin C as a stress bioindicator of Norway spruce and landscape spruce planning management.