Vegetation shifts, human impact and peat bog development in Bassa Nera pond (Central Pyrenees) during the last millennium
Bibliographic Data
| ID | 12268086 |
|---|---|
| Authors | Sandra Garcés‐Pastor (0000-0001-5652-7264, Universitat de Barcelona, corresponding author), Sandra Garcés-Pastor (Universitat de Barcelona), Nuria Cañellas-Boltà (0000-0003-2566-4885, Universitat de Barcelona), Albert Clavaguera (Universitat de Barcelona), Miguel Ángel Calero (0000-0002-5834-4557, Institute of Earth Sciences Jaume Almera (ICTJA-CSIC), Spain), Teresa Vegas‐Vilarrúbia (0000-0001-9136-136X, Universitat de Barcelona) |
| Year | 2016 |
| Volume | 27 |
| Issue | 4 |
| Pages | 553-565 |
| Publication date | 2016-11-08 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | The Holocene (JOURNAL) |
| Journal identifiers | ISSN: 0959-6836 • E-ISSN: 1477-0911 |
| Publisher | SAGE Publishing (PUBLISHER • US) |
| DOI | 10.1177/0959683616670221 |
| OpenAlex | W2549939644 |
| Language | EN |
| Citations received | 6 |
| References cited | 82 |
High-mountain lakes are suitable ecosystems for studying local environmental shifts driven by large-scale climate changes, with potential applications to predict future scenarios. The precise features in the response of species assemblages are not fully understood, and human pressure may often hide climatic signals. To investigate the origin and impact of past environmental changes in high-mountain ecosystems and apply this palaeoecological knowledge to anticipate future changes, we performed a multi-proxy study of a sediment core from Bassa Nera, a pond located close to montane–subalpine ecotone in the southern central Pyrenees. Combining pollen and diatom analysis at multidecadal resolution, we inferred vegetation shifts and peat bog development during the past millennium. We introduced a montane pollen ratio as a new palaeoecological indicator of altitudinal shifts in vegetation. Our results emphasize the sensitivity of the montane ratio to detect upward migrations of deciduous forest and the presence of the montane belt close to Bassa Nera pond during the Medieval Climate Anomaly. Changes in aquatic taxa allowed to date the onset of the surrounding peat bog which appeared and infilled the coring site around AD 1565. Overall, our results suggest a low-intensity human pressure and changes in management of natural resources during the last millennium, where farming was the main activity from the Medieval Climate Anomaly until AD 1500. Afterwards, people turned to highland livestock raising coinciding with the ‘Little Ice Age’
Bog · Climate change · Ecosystem · Ecotone · Geography · Habitat · Holocene · Mire · Peat · Physical geography · Testate amoebae · Vegetation (pathology · Wetland · Coastal wetland ecosystem dynamics · Geological formations and processes · Geology and Paleoclimatology Research · Ecology · Geology · Oceanography
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| Unique citing works | 6 |
|---|---|
| Citations per year | 0.67 |
| Citation span | 2017 - 2025 (9) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 6 |