1991 Darling River cyanobacterial bloom explained

The 1991 Darling River cyanobacterial bloom is the largest algal bloom on record, of the Barwon-Darling River in New South Wales, Australia.^[1]

Parts of the river were sprayed with a Copper based algaecide using a crop duster.^[2]

Notes and References

1. Bowling . L. C. . Baker . P. D. . 1996 . Major cyanobacterial bloom in the Barwon-Darling River, Australia, in 1991, and underlying limnological conditions . Marine and Freshwater Research . en . 47 . 4 . 643–657 . 10.1071/mf9960643 . 1448-6059.
2. Web site: 1991 – 1992: Darling River (NSW). Darling River sprayed with Algaecide to kill Blue Green-Algae. 22 August 2022. Australian Pesticides Map.