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Efecto del pH sobre la supervivencia embrionaria, periodo embrionario y de eclosión de Galaxias maculatus

Floración de Trichodesmium erythraeum en la región costera tropical de Brasil

Authors

CORRESPONDING

Helen Michelle de J. Affe

helenmaffe@gmail.com

1

1

niversidade Federal da Bahia, Instituto de Biologia, 40170-115, Salvador, Bahia, Brasil

2

2

Laboratório de Algas Marinhas, Instituto de Biologia, Universidade Federal da Bahia, Salvador, Bahia, Brasil

Taiara A. Caires

2

2

Laboratório de Algas Marinhas, Instituto de Biologia, Universidade Federal da Bahia, Salvador, Bahia, Brasil

3

3

Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, 44031-460, Feira de Santana, Bahia, Brasil

Eduardo M. da Silva

1

1

niversidade Federal da Bahia, Instituto de Biologia, 40170-115, Salvador, Bahia, Brasil

José Marcos de C. Nunes

1

1

niversidade Federal da Bahia, Instituto de Biologia, 40170-115, Salvador, Bahia, Brasil

3

3

Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, 44031-460, Feira de Santana, Bahia, Brasil

Abstract

A bloom of Trichodesmium erythraeum with average densities of 3.5 x 106 trichomes L-1 was recorded in February 2014, in an extensive range of beaches on the northern coast of Bahia, Brazil. High water temperatures and rainfall, associated with wind frequency and intensity may have triggered the bloom, which lead to a strong odor and change in the color of the water, it obliged the authorities to shut down the affected beaches. These blooms negatively affected tourism and fishing, the main economic activities in the region, highlighting the importance of monitoring these events in the area.

Key words

Cyanobacteria, bloom, harmful species, Brazil beaches

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