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Spatial and Temporal Long-Term Patterns of Phyto and Zooplankton in the W-Mediterranean: RADMED Project

1
Instituto Español de Oceanografía, C.O. Málaga., Puerto Pesquero s/n, Fuengirola, 29640 Málaga, Spain
2
Instituto Español de Oceanografía, C.O. Baleares, Muelle de Poniente s/n, 07015 Palma de Mallorca, Spain
3
Andalucía Tech, Departamento de Ecología y Geología, Universidad de Málaga, Campus de Teatinos s/n, 29071 Málaga, Spain
*
Author to whom correspondence should be addressed.
Water 2019, 11(3), 534; https://doi.org/10.3390/w11030534
Received: 21 December 2018 / Revised: 19 February 2019 / Accepted: 11 March 2019 / Published: 14 March 2019
(This article belongs to the Section Water Quality and Ecosystems)
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Abstract

It is widely accepted that the Mediterranean is an oligotrophic sea where winter mixing favors the proliferation of diatoms and high values of zooplanktonic biomass, mainly associated with the growth of copepods. Stratified conditions from mid-spring to late autumn are dominated by the picophytoplanktonic groups and the increment of cladoceran abundances. This general picture has important exceptions. A regionalization of the Mediterranean Sea can be established, distinguishing oligotrophic and mesotrophic areas and different blooming periods. The RADMED monitoring program covers a large area from the southwestern limit of the Mediterranean to the Catalan Sea. The analysis of phyto and zooplankton time series extending from 1992 to 2016 in some cases, and from 2007 to 2016 in others, have shown that the Spanish Mediterranean waters have differentiated areas and trophic regimes as a result of the existence of several fertilizing mechanisms which include winter mixing, tidal mixing in the Strait of Gibraltar, cyclonic circulation cells and frontal systems. The present work describes these different mechanisms acting on the Spanish Mediterranean waters, and also the potentiality of monitoring programs for providing statistics suitable for operational activities or the initialization/validation of ecological models. View Full-Text
Keywords: phytoplankton; zooplankton; Western Mediterranean; spatial patterns; seasonal cycle; long-term changes phytoplankton; zooplankton; Western Mediterranean; spatial patterns; seasonal cycle; long-term changes
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García-Martínez, M.C.; Vargas-Yáñez, M.; Moya, F.; Santiago, R.; Reul, A.; Muñoz, M.; López-Jurado, J.L.; Balbín, R. Spatial and Temporal Long-Term Patterns of Phyto and Zooplankton in the W-Mediterranean: RADMED Project. Water 2019, 11, 534.

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