To fix the reef we first need to fix the land – but where do we start?

photo: To fix the reef we first need to fix the land – but where do we start?

Photo: The Great Barrier Reef, Northern Queensland, Australia

Rivers deliver sediment from land to the ocean. This sediment contains nutrients which can feed microscopic algae in water. But, if there is too much sediment and nutrients, delivered by floods from land-based erosion, algal blooms can occur that have negative effects on the Great Barrier Reef.

The challenge is that sediment comes from many different locations and we need to know … [more…]