Toxic cyanobacteria is beginning to bloom in Canterbury waterways prompting warnings for people to take extra care when walking their dogs.
As the weather warms, it is expected the algae’s reappearance within the greater Christchurch area will become more evident, as it establishes itself for the summer months ahead.
Cyanobacteria can potentially produce toxins which are harmful to humans and pets.
Algae in lakes and dams often began blooming at this time of year from a combination of rising water temperatures, the increase of sunlight hours and nutrients in the waterways, she said.
