Barnacle Photo Gallery
Gradual, long-term negative changes have occurred in barnacle populations on the clean Atlantic coast of Nova Scotia, Canada. Discussed in detail in the article "The Barnacle Zone," here are a few additional photos. Surprisingly, this trend appears to have received no scientific attention to date. A sharp contrast is evident between barnacle growth on the unpolluted rocky coastline and in heavily sewage-polluted Halifax harbour, discounting the idea that the decline in barnacles has occurred because of factors such as 'climate change' or 'pollution.'
Except for those credited to T. A. Stephenson, all photos copyright Debbie MacKenzie. Reproduce them if you like, just please credit the source.