TITLE

BLOOM OF PERIDINIUM QUINQUECORNE AB� IN LA ENSENADA DE LA PAZ, GULF OF CALIFORNIA (JULY 2003)

AUTHOR(S)
G�rate-Liz�rraga, Ismael; Mu�et�n-G�mez, Mar�a del Socorro
PUB. DATE
April 2008
SOURCE
Acta Botanica Mexicana;abr2008, Issue 83, p33
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Microalgae blooms are frequent and periodic throughout the year in La Ensenada de La Paz, a lagoon formed by a large sand bar enclosed at the southern end of the Bah�a de La Paz in the southwestern Gulf of California. Brown patches of the dinoflagellate Peridinium quinquecorne Ab�, an armored dinoflagellate that is cosmopolitan in neritic and estuarine waters, were observed in July 2003 near a beach at the mouth of the lagoon. The patches were about 50-100 m long by 10-15 m wide and persisted for two days when water temperature was 26.2 to 27 �C. The blooms occurred after four days of a heavy rain. Abundance of P. quinquecorne varied from 3.4 to 6.4 x 106 cells 1-1 and chlorophyll a varied from 13.20 to 17.75 mg m-3. Concentrations of nutrients in this area were higher than normal, related to a continuous re-suspension of sediment caused by wave action. The higher nutrient content promoted formation of patches of P. quinquecorne in this part of the lagoon.
ACCESSION #
31860034

 

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