Database_Leiva-Dueñas et al_Global Planetary Change

Database used in Leiva-Dueñas et al. "Millennial-scale trends and controls in Posidonia oceanica (L. Delile) ecosystem productivity". Posidonia oceanica is a marine phanerogam that buries a significant part of its belowground production forming an organic bioconstruction known as mat. Posidonia seagrass mats have proven to be reliable archives of long-term environmental change. Here we reconstruct four millennia of environmental dynamics in the NE coast of Spain by analysing the carbon and nitrogen elemental and stable isotopic composition of P. oceanica sheaths, the proportion of different seagrass organs, the carbonates and organic matter content as well as the grain-size distribution throughout the seagrass mat.