A drone flies backwards above a forest canopy of native birch trees in full autumn colour and a wall of non-native conifers in a forestry plantation set amongst a hilly landscape

glen orchy downy birch scotland habitat forestry silver birch plantation woodland betula pubescens aerial drone footage birch woodland creation landscape trees biodiversity betula deciduous forest ecology canopy hill mountains nature restoration tree autumn leaves timber wood patchwork mosaic remote drone fall green regeneration 4k natural isolated colour climate change native wild restore yellow change diverse reveal tilt