Holocene changes in forest composition in northern Patagonia responded to climate with little impact of disturbance

Here we present pollen and charcoal counts from a small lake located within the Lanín National Park, Argentina (40°12'S; 71°30'W; 1095 m a.s.l). The lacustrine sediment core was retrieved in January 2017. Pollen samples of 0.5 cm^3 were taken every 2 cm, avoiding tephra sections. Before and after major tephra layers the sampling was carried out at an interval of 1 cm. Processing of samples for pollen analysis was conducted following Bennett and Willis (2001; doi:10.1007/0-306-47668-1), including hydrofluoric acid and acetolysis. Samples with coarse particles were sieved at 120 µm. To reconstruct the past fire regime, macroscopic charcoal particles were counted in 1 cm^3 samples contiguously along the core at 1 cm intervals avoiding tephra layers wider than 1 cm. The samples were processed according to the methodology by Stevenson and Haberle (2005; hdl:1885/144170). Particles > 125 µm were counted under a binocular dissecting microscope (Whitlock and Anderson, 2003; doi:10.1007/0-387-21710-X_1).

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Cite this as

Álvarez-Barra, Valentina Andrea, Giesecke, Thomas, Fontana, Sonia L (2021). Dataset: Holocene changes in forest composition in northern Patagonia responded to climate with little impact of disturbance. https://doi.org/10.1594/PANGAEA.936379

DOI retrieved: 2021

Additional Info

Field Value
Imported on November 30, 2024
Last update November 30, 2024
License CC-BY-4.0
Source https://doi.org/10.1594/PANGAEA.936379
Author Álvarez-Barra, Valentina Andrea
Given Name Valentina Andrea
Family Name Álvarez-Barra
More Authors
Giesecke, Thomas
Fontana, Sonia L
Source Creation 2021
Publication Year 2021
Resource Type application/zip - filename: Barra-etal_2021
Subject Areas
Name: LandSurface

Name: Lithosphere

Related Identifiers
Title: Holocene changes in forest composition in northern Patagonia responding to climate with little impact of disturbance
Type: DOI
Relation: References
Source: Quaternary Science Reviews
Authors: Álvarez-Barra Valentina Andrea , Giesecke Thomas , Fontana Sonia L .