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An ocean of history hidden beneath the meadow

Wednesday, 26 February 2020

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In the Centre for Marine Ecosystems Research (CMER) latest publication (lead author Carmen Leiva-Dueñas), researchers Dr Oscar Serrano and Professor Paul Lavery teamed up with colleagues in Spain in using the soils underneath seagrass meadows to reconstruct the environmental history over thousands of years of an island in the Mediterranean Sea. Understanding compositional shifts within the community of primary producers is crucial to evaluate how climate and anthropogenic change affect the functioning of seagrass ecosystems. We analysed the remains of pigments in seagrass cores from two bays at Cabrera Island (Balearic Islands, Spain) to asses long-term changes in the primary producer community and seagrass production. The analyses revealed that different bays had different pigment composition, corresponding to differences in catchment-sourced pollution at the bays. They also revealed the effects of global climate processes. The study is another outcome of the fabulous collaboration we have with the Group of Aquatic Macrophyte Ecology (GAME) team at the Spanish Research Council’s Blanes Centre for Advanced Studies (CEAB) lab.

To view the article: Factors regulating primary producers' assemblages in Posidonia oceanica (L.) Delile ecosystems over the past 1800 years

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