BUSCADOR RECOLECTA

Human evolution, Red ochre, Shells, Data set on the joint use of shells and red ochre by humans. Reports of the joint use of red ochre and shells by humans are rapidly growing in number, including reports for both modern humans and Nearderthals. Existing records track the reconstructed dispersal of modern humans including findings of the joint use of red ochre and shells in Africa, Eurasia, Australia, and America ranging from paleorecords starting in 250 ka to present. Numbers show, for paleoanthropological evidence, the dates in ka, when reported. When multiple reports were available for a given region the oldest one is shown. See Duarte (2014) for additional details. The database is subject to a Creative Commons Attribution-Noncommercial-ShareAlike International licence 4.0., No

A file attached provides additional information on the methodology used. This database is subject to a Creative Commons Attribution-Noncommercial-ShareAlike International licence 4.0., The data set includes published data for volumetric estimates of primary production of natural marine plankton communities produced using at least two different methods applied concurrently. Here, we present and compare the following methods: the oxygen evolution in dark and light incubations (Carpenter 1965; Carrit and Carpenter 1966), the FRRF method (Kolber and Falkowski 1993) and methods based in tracer additions (18O (Bender et al. 1987), 14C (Steeman Nielsen 1952) and 13C (Slawyk et al. 1977))., Peer reviewed

In March 2012 we collected 3-replicated sediment cores (9 cm diameter and 12-15 cm long) per restored site along the planting chronosequence (i.e. years 1994, 1997, 2003, 2004, 2006). Similarly, we collected 3 sediment cores in two bare sites, previously colonized by seagrasses, and in a large seagrass patch that survived the disturbances in the second half of the 20th Century that we considered a mature and thus reference meadow. We measured sediment bulk density and organic matter content and carbon stocks along all sediment cores sliced at 1 cm interval. Organic carbon content (% Corg) was estimated from loss of ignition (% LOI) at 550ºC for 5 h using the empirically fitted equation for Oyster Harbour sediments,Log % Corg = -0.62 + (1.33 * Log % LOI) SEintercept = 0.01, SEslope =0.10, N = 55, R2 = 0.77, P<0.0001 We analyzed the ƌ3C of the organic carbon in the top 3 cm sediment layer (ƌ13Csediment) along the chronosequence to estimate the fraction of seagrass (X) and sestonic (1-X) deposition as ƌ13Csediment = [X . Log % Corg = -0.62 + (1.33 * Log % LOI) SEintercept = 0.01, SEslope =0.10, N = 55, R2 = 0.77, P<0.0001 We analyzed the ƌ3C of the organic carbon in the top 3 cm sediment layer (ƌ13Csediment) along the chronosequence to estimate the fraction of seagrass (X) and sestonic (1-X) deposition as ƌ13Csediment = [X . ƌ13Cseagrass] + [(1-X) . ƌ13Cseston] being ƌ13Cseagrass -9.65 ‰ and ƌ13Cseston -22 ‰ (Dauby 1989)., Access and reuse: This dataset is subject to a Creative Commons Reconocimiento-NoComercial-CompartirIgual 4.0 Internacional License., This dataset contains the values of ƌ13C, concentration and density of organic carbon measured along sediment cores collected where seagrasses (Posidonia australis) where lost, in re-vegetated plots and the continuously vegetated meadow at Oyster Harbor., Financial acknowledgements: CSIRO-Carbon Cluster (Australia); Australian ARC Linkage projects (LP100200429, LP1301000155); Opera (EU FP7, Project No. 308393); MEDEICG (CTM2009-07013); EstresX (CTM2012-32603). Mobility grant of CSIC (PA1003258) to Núria Marbà; Gledden Visiting Fellowship of the Institute of Advanced Studies (UWA) to Núria Marbà; Gledden Visiting Fellowship of the Institute of Advanced Studies (UWA) to Pere Masqué; IM by a PhD fellowship by the Government of the Balearic Islands; PM by ICREA Academia Generalitat de Catalunya (2014 SGR – 1356); PhD grant by the Govern of the Balearic Islands; PhD grant by Obra Social “la Caixa”., Peer reviewed