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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2021
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| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.936379 |
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| _version_ | 1867168574751113216 |
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| author | Álvarez-Barra, Valentina Andrea Giesecke, Thomas Fontana, Sonia L |
| author_facet | Álvarez-Barra, Valentina Andrea Giesecke, Thomas Fontana, Sonia L |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | 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). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_936379 |
| institution | PANGAEA |
| language | en |
| publishDate | 2021 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Holocene changes in forest composition in northern Patagonia responded to climate with little impact of disturbance Álvarez-Barra, Valentina Andrea Giesecke, Thomas Fontana, Sonia L Charcoal; Chile; northern Patagonia; Nothofagus obliqua; Pollen 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). |
| title | Holocene changes in forest composition in northern Patagonia responded to climate with little impact of disturbance |
| topic | Charcoal; Chile; northern Patagonia; Nothofagus obliqua; Pollen |
| url | https://doi.org/10.1594/PANGAEA.936379 |