Wind dispersal of pollen from male flowers of the silver birch tree Betula pendula. The picture shows a shower of pollen falling from the catkins in a light wind. The silver birch is a very widespread tree which grows on poor soils. It is often used as cover for the growth of young forest trees in plantations | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
Taille de l’image : | 3244 px × 4818 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |