Changes in sea urchin populations after
โ
C. Lang; K. H. Mann
๐
Article
๐
1976
๐
Springer-Verlag
๐
English
โ 444 KB
In St. Margaret's Bay, Nova Scotia, Canada, there are large areas in which sea urchins (strongylocentrotus droebachiensis) have eliminated beds of kelp (Laminaria spp.). Sites were identified where destruction of kelp beds had taken place I, 2, 3, 3.5 and 4 years ago. With increase of time since kel