Oceanographer explains the formation of red tide on the Alagoas Coast
Poisoning caused by the “red tide” affected most tourists who were staying at a resort in Broken Carro Beach, which is located in Barra de Santo Antônio, on the coast of Alagoas.
“These are normal blooms, which may or may not be toxic. It is a rare and infrequent phenomenon, it can occur anywhere on the coast, along the coast. They multiply very quickly. Factors such as very hot weather, drought, make it easier even more so the emergence of these microorganisms”, he said.
According to the professor, imbalance in the environment can cause the emergence of these algae.
“They need nutrients to multiply and humans can interfere with the formation of these harmful algae due to the nutrients we throw into the water,” he said.
Phenomenon causes health problems
Technicians from the Environmental Institute of the State of Alagoas (IMA-AL) were at Carro Quebrado Beach to collect water from points on the beach and identify whether there was a proliferation of algae there.
The IMA recommendation is that swimming in the sea be avoided in the region for 48 hours.. Bathers should also be aware of different colors and odors in the sea..
People who breathe in the toxins experience symptoms such as nausea, sore throat, stomach pain, cough, runny nose, nasal obstruction and signs of conjunctivitis, explained the expert.
The municipality’s Environment Secretary, Sérgio Silva, told the g1 that the algae were brought from Pernambuco to the coast of Alagoas and that contact between people who felt symptoms would have occurred through the air.
“I spent about three hours on the beach, breathing in this sea air; I went to sleep and, on Monday morning, I woke up with pain in my body, especially in my lower back, and a headache, sneezing a lot, with a cough, shortness of breath, fever and diarrhea”, he said.
And how does the red tide end?
The microorganisms are diluted in the water and the concentration of these organisms naturally decreases. After a while, they continue filtering water until it is free of the toxin.
Red Tide: Carro Quebrado beach, in Barra de Santo Antônio, is closed
The Brazilian Institute for the Environment and Renewable Natural Resources (Ibama) reported that it continues to monitor the case and awaits new data and temporal analyzes of the displacement of these microalgae patches.