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Lessons from last decades of research on nearshore microalgal blooms in the Western Mediterranean Sea

AuthorsBasterretxea, Gotzon ; Garcés, Esther ; Anglès, Silvia ; Jordi, Antoni ; Reñé, Albert ; Flo Arcas, Eva ; Camp, Jordi
Issue Date2013
PublisherIntergovernmental Oceanographic Commission
CitationGEOHAB Report 11: 45-47 (2013)
GEOHAB Core Research Project: HABs in Stratified Systems: 45-47 (2013)
AbstractThe paradigm of blue oligotrophic Mediterranean waters with modest increase in productivity as a response to seasonal enrichment produced by water column mixing or to mesoscale structures, such as fronts and gyres, is not widely applicable. The inner-shelf waters are relatively uncoupled from open ocean processes representing a well differentiated niche, where nutrient levels are relatively high and high-biomass microalgal blooms tend to occur (Flo et al. 2011). Several factors define this singularity including strong seasonal stratification, generally weak and variable currents, and a microtidal regime. The biogeochemical contrast between the culturally enriched inner-shelf waters and the oligotrophic conditions prevailing further offshore is particularly notable during summer, when surface oceanic waters are nutrient depleted and when nearshore waters in many coastal areas are particularly poorly renewed. Under these conditions, some harmful bloom species have a competitive advantage and indeed blooms are frequent and recurrent (Garcés and Camp 2012). [...]
DescriptionGlobal Ecology and Oceanography of Harmful Algal Blooms (GEOHAB): Advances and challenges for understanding physical-biological interactions in HABs in Stratified Environments, 21-23 August 2012, Moss Landing, United States.-- 3 pages
Identifiersissn: 1538-182X
Appears in Collections:(IMEDEA) Informes y documentos de trabajo
(ICM) Informes y documentos de trabajo
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