Public Affairs — Page 24

By University of Tasmania 2/7/2019 Monitoring of sea urchins in Port Phillip Bay over a four-year period has revealed that booming urchin populations and the barren grounds they created by overgrazing kelp beds are likely to persist in the long term unless drastic action is taken. High-density populations of the Australian urchin Heliocidaris erythrogrammahave been monitored in Port Phillip Bay since…

By Deakin University 2/1/2019 Decades after their implementation, no-take marine reserves are coming up short in their ability to nurture the Great Barrier Reef’s shark populations back to natural levels, according to new research from a Deakin University ecologist. The research, published today in the journal Frontiers in Ecology and the Environment, found that after decades of protection, shark populations on the…