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Main Authors: Rantala, Marttiina V, Israde-Alcántara, Isabel, Safaierad, Reza, Tylmann, Wojciech, Lepoint, Gilles, Francus, Pierre, Smol, John P, Meyer-Jacob, Carsten, Grooms, Christopher, Mattielli, Nadine, Metcalfe, Sarah, Etmański, Paweł, Fagel, Nathalie
Format: Dataset Open Access
Language:en
Published: PANGAEA 2025
Subjects:
Accumulation rate, carbon, organic; Accumulation rate, mass, per year; Achnanthidium minutissimum sensu lato; Age; AGE; Age, Bayesian based model Plum on Pb-210 and C-14 data; Amphora copulata; Amphora pediculus; Aulacoseira ambigua; Aulacoseira granulata; biogeochemistry; Calculated based on dry bulk density and sediment accumulation rate; Calculated based on organic carbon content and mass accumulation rate; Calculated based on sediment section thickness and elapsed time; Carbon, organic, total; Carbon, organic, total, z-score; Carbon/Nitrogen ratio; Carbonates; Carbon cycle; Chlorophyll a, z-score; Cocconeis cf. placentula; Craticula cuspidata; Craticula subminuscula; Density, dry bulk; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Determined based on water content of volumetric samples; Determined by loss on ignition at 550 °C, after Heiri et al. (2001); Determined by loss on ignition at 950°C, after Heiri et al. (2001); Diadesmis confervacea; Diatom; Diatoms, fragilarioid taxa; Discostella stelligera; Elemental analyzer (EA), Elementar, vario MICRO cube; Encyonopsis subminuta; Epithemia turgida; Gogorevia exilis; Gomphonema affine; Gomphonema exilissimum; Gomphonema lagenula; Gomphonema naviculoides; Gomphonema parvulum; Halamphora montana; Halamphora veneta; Hantzschia amphioxys; Hantzschia sp.; Isotope ratio mass spectrometer, Elementar, IsoPrime; isotopes; Lake sediment; Lake Teremendo, Michoacán, Mexico; Late Holocene; Lemnicola hungarica; Light microscope, Zeiss [1000x magnification]; LTe22-1; Luticola acidoclinata; Mexico; Navicula cf. cryptotenella; Navicula tenelloides; Navicula veneta; Nitrogen, total; Nitzschia amphibia; Nitzschia amphibia forma frauenfeldii; Nitzschia communis; Nitzschia microcephala; Nitzschia minuta; Nitzschia palea var. palea; Nitzschia palea var. tenuirostris; Nitzschia semirobusta; Nitzschia sp.; Organic matter; Pinnularia borealis; Primary production; Rhoicosphenia abbreviata; Sedimentation rate per year; Sediment corer, UWITEC; Sellaphora pupula; Sellaphora saugerresii; Sellaphora sp.; Tropical; Ulnaria acus; Ulnaria sp.; Ulnaria ulna; Visible-near infrared spectroscopy, Foss NIRsystems, Model 6500 Rapid Content Analyzer; δ13C; δ15N
Online Access:https://doi.org/10.1594/PANGAEA.972746
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Table of Contents:
  • This dataset comprises multiproxy biogeochemical data and diatom assemblage data for a sediment sequence (LTe22-1) from lake Teremendo (Michoacán, Mexico). The data were used to explore connections between lake carbon cycling and related ecosystem processes under natural and anthropogenic environmental change over the past four centuries. The sediment core (155 cm in length) was retrieved with a Uwitec corer near the middle of the lake basin (water depth ~8 m) in April 2022. After initial core scanning, the sediment core was sectioned at 5-mm intervals. The data are provided for these discrete sediment sections from 0 cm down to the depth of 46.5 cm, covering a time period from 2022 to around 1650. Age estimates for each sediment section have been calculated based on radiolead (Pb-210) dating of the surface sediment sections and four radiocarbon (C-14) measurements. Diatom data include taxa present with at least 0.5% relative abundance in any sample.

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