2024-03-28T17:36:00Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/152432022-11-09T09:32:33Zcom_10261_123com_10261_8com_10261_132col_10261_376col_10261_385
Breeze conditions as a favoring mechanism of Alexandrium taylori blooms at a Mediterranean beach
Basterretxea, Gotzon
Garcés, Esther
Jordi, Antoni
Masó, Mercedes
Tintoré, Joaquín
Algal blooms
Alexandrium
Breezes
Coastal circulation
Beach
Mediterranean Sea
12 pages, 14 figures
A study of Santa Ponça Bay (Balearic Islands) was conducted during summer 2002 to understand further the processes controlling recurrent Alexandrium taylori blooms near the beach. These massive algal proliferations (106 cells L−1) have become common in many anthropized pocket beaches of the Mediterranean during the summer season. Nearshore dissolved inorganic nutrient concentrations (DIN) are generally high near the shoreline (avg. DIN at 1.6 μM), yet this factor alone is insufficient to explain harmful algal bloom (HAB) occurrences at some beaches and their absence in others. It is postulated that summer conditions, and particularly, the mild breeze conditions are key factors into understanding these nearshore blooms. The advantages of this coastal environment for a migrating dinoflagellate such as A. taylori are discussed. Resilience to undergo enhanced turbulence episodes, motility, day/night migration and a favorable current regime that produces shoreward transport at sea surface are regarded as concurrent mechanisms that lead to HAB generation and maintenance
This work has been supported by the EU financed Research Project STRATEGY EVK3-CT-2001-00046, and by CICYT (Acción Especial STRATEGY de 2003)
Peer reviewed
2009-07-22T12:40:43Z
2009-07-22T12:40:43Z
2005-01
artículo
http://purl.org/coar/resource_type/c_6501
Estuarine, Coastal and Shelf Science 62(1-2): 1-12 (2005)
0272-7714
http://hdl.handle.net/10261/15243
10.1016/j.ecss.2004.07.008
en
https://doi.org/10.1016/j.ecss.2004.07.008
none
530832 bytes
application/pdf
Elsevier