Browse 5,000+ birch trees in fall background stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Autumn aspen grove ...

Browse 8,700+ birch trees fall stock videos and clips available to use in your projects, or start a new search to explore more stock footage and b-roll video clips. High quality timelapse, beautiful ...

Paper (white) birch is in less demand than ... Scarifying is especially helpful following a good seed fall. After the stand is sufficiently stocked with seedlings, clear-cut it. Once an aspen stand ...

Dr. Snorre Hagen of the University of Oslo and colleagues studied a dozen mountain birch trees over three years, observing factors like brightness of leaves each fall and the level of insect damage ...