The marine biodiversity impact of the Late Miocene Mediterranean salinity crisis

marine biodiversity Aquatic Organisms Salinity SDG 14 – Leben unter Wasser Mediterranean Messinian Salinity Crisis Extinction, Biological 01 natural sciences [SDU] Sciences of the Universe [physics] Mediterranean Sea Animals 105112 Historical geology Seawater SDG 14 - Life Below Water 0105 earth and related environmental sciences Late Miocene 106003 Biodiversity research Fossils Extinction Biodiversity Biological 105112 Historische Geologie Messinian Salinity Crisis, biodiversity, Mediterranean The salt giant in the Mediterranean Sea 106003 Biodiversitätsforschung 105118 Paläontologie Paleontology, biodiversity, Late Miocene, Mediterranean, Messinian Salinity crisis 105118 Palaeontology salinity crisis
DOI: 10.1126/science.adp3703 Publication Date: 2024-08-29T17:59:22Z
ABSTRACT
Massive salt accumulations, or salt giants, have formed in highly restricted marine basins throughout geological history, but their impact on biodiversity has been only patchily studied. The salt giant in the Mediterranean Sea formed as a result of the restriction of its gateway to the Atlantic during the Messinian Salinity Crisis (MSC) 5.97 to 5.33 million years ago. Here, we quantify the biodiversity changes associated with the MSC based on a compilation of the Mediterranean fossil record. We conclude that 86 endemic species of the 2006 pre-MSC marine species survived the crisis, and that the present eastward-decreasing richness gradient in the Mediterranean was established after the MSC.
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