Rock mussel bed comparison, 1941 and 2018 (IMAGE)
Caption
Before and after. At left, Fisher and Hildebrand's image of a rock and its mussel bed community they sampled at Dillon Beach in 1941. At right, the exact same rock sampled by Longman in 2018.
Credit
Harvey I. Fisher and Milton Hildebrand, UC Berkeley; Jacqueline Sones, UC Davis
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND