| phytoplankton nyctemeral variation at a tropical river estuary (itamaracá-pernambuco-brazil). | the botafogo estuary is of socio-economical importance for pernambuco state. it is located at the north of santa cruz channel, itamaracá, pernambuco, brazil (07 degrees 42' 50 "s and 34 degrees 52' 10" w). there is a critical need to understand its functioning because of the rate at which this area is being converted to land uses. the phytoplankton dynamics was studied to enhance the knowledge of and verify the possible changes which have occurred in this ecosystem. sampling was carried out with ... | 2004 | 15195367 |