Un inusual bloom de Tetraselmis sp. en la Bahía de Valparaíso, Chile Unusual bloom of Tetraselmis sp. in the Valparaiso Bay, Chile

A bloom of Tetraselmis sp. was observed during the first days of January of 2006 in the Valparaiso Bay (32° 57'S; 71° 33'W), producing green coloration of sea and exclusion of phytoplankton species. Previous blooms of Tetraselmis sp. have not been observed in this bay.