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The role of physical variables in biodiversity patterns of intertidal macroalgae along European coasts

Abstract: In the frame of the COST ACTION ‘EMBOS’ (Development and implementation of a pan-European Marine Biodiversity Observatory System), coverage of intertidal macroalgae was estimated at a range of marine stations along the European coastline (Subarctic, Baltic, Atlantic, Mediterranean). Based on these data, we tested whether patterns in macroalgal diversity and distribution along European intertidal rocky shores could be explained by a set of meteo-oceanographic variables. The variables considered were salinity, sea surface temperature, photosynthetically active radiation, significant wave height and tidal range and were compiled from three different sources: remote sensing, reanalysis technique and in situ measurement. These variables were parameterized to represent average conditions (mean values), variability (standard deviation) and extreme events (minimum and maximum values). The results obtained in this study contribute to reinforce the EMBOS network approach and highlight the necessity of considering meteo-oceanographic variables in long-term assessments. The broad spatial distribution of pilot sites has allowed identification of latitudinal and longitudinal gradients manifested through species composition, diversity and dominance structure of intertidal macroalgae. These patterns follow a latitudinal gradient mainly explained by sea surface temperature, but also by photosynthetically active radiation, salinity and tidal range. Additionally, a longitudinal gradient was also detected and could be linked to wave height.

 Congreso: European Marine Biology Symposium (50th : 2015 : Helgoland)

Editorial: Journal of the Marine Biological Association of the United Kingdom

 Fecha de publicación: 01/05/2017

Nº de páginas: 12

Tipo de publicación: Comunicación a Congreso

DOI: 10.1017/S0025315416001673

ISSN: 0025-3154,1469-7769

Url de la publicación: https://www.cambridge.org/core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom/article/div-classtitlethe-role-of-physical-variables-in-biodiversity-patterns-of-intertidal-macroalgae-along-european-coastsdiv/35FF88CC36A85F01E5A8

Autores/as

XABIER GUINDA SALSAMENDI

ELVIRA RAMOS MANZANOS

BEATRIZ ECHAVARRI ERASUN

DEGRAER, STEVEN

KERCKHOF, FRANCIS

BOJANIC, NATALIA

ROUSOU, MARÍA

ORAV-KOTTA, HELEN

KOTTA, JONNE

JOURDE, JÉRÔME

PEDROTTI, MARÍA LUISA

LECLERC, JEAN-CHARLES

SIMON, NATHALIE

BACHELET, GUY

LAVESQUE, NICOLAS

ARVANITIDIS, CHRISTOS

PAVLOUDI, CHRISTINA

FAULWETTER, SARAH

CROWE, TASMAN P.

COUGHLAN, JENNIFER

BENEDETTI CECCHI, LISANDRO

DAL BELLO, MARTINA

MAGNI, PAOLO

COMO, SERENA

COPPA, STEFANIA

DE LUCIA, GIUSEPPE ANDREA

RUGINS, TOMAS

JANKOWSKA, EMILIA

WESLAWSKI, JAN MARCIN

WARZOCHA, JAN

SILVA, TERESA

RIBEIRO, PEDRO

DE MATOS, VALENTINA

SOUSA-PINTO, ISABEL

TRONCOSO, JESÚS

PELEG, OHAD

RILOV, GIL

ESPINOSA, FREE

PÉREZ RUZAFA, ANGEL

FROST, MATT

HUMMEL, HERMAN

VAN AVESAATH, PIM