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  Non-uniform tropical forest responses to the ‘Columbian Exchange’ in the Neotropics and Asia-Pacific

Hamilton, R., Wolfhagen, J., Amano, N., Boivin, N., Findley, D. M., Iriarte, J., et al. (2021). Non-uniform tropical forest responses to the ‘Columbian Exchange’ in the Neotropics and Asia-Pacific. Nature Ecology & Evolution, s41559-021-01474-4. doi:10.1038/s41559-021-01474-4.

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 Creators:
Hamilton, Rebecca1, Author           
Wolfhagen, Jesse2, Author           
Amano, Noel2, Author           
Boivin, Nicole2, Author           
Findley, David Max1, Author           
Iriarte, José, Author
Kaplan, Jed O., Author
Stevenson, Janelle, Author
Roberts, Patrick1, Author           
Affiliations:
1isoTROPIC, Max Planck Institute for the Science of Human History, Max Planck Society, ou_3383319              
2Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society, ou_2074312              

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Free keywords: Archaeology, Environmental impact, Palaeoecology
 Abstract: It has been suggested that Iberian arrival in the Americas in 1492 and subsequent dramatic depopulation led to forest regrowth that had global impacts on atmospheric CO2 concentrations and surface temperatures. Despite tropical forests representing the most important terrestrial carbon stock globally, systematic examination of historical afforestation in these habitats in the Neotropics is lacking. Additionally, there has been no assessment of similar depopulation–afforestation dynamics in other parts of the global tropics that were incorporated into the Spanish Empire. Here, we compile and semi-quantitatively analyse pollen records from the regions claimed by the Spanish in the Atlantic and Pacific to provide pan-tropical insights into European colonial impacts on forest dynamics. Our results suggest that periods of afforestation over the past millennium varied across space and time and depended on social, economic and biogeographic contexts. We argue that this reveals the unequal and divergent origins of the Anthropocene as a socio-political and biophysical process, highlighting the need for higher-resolution, targeted analyses to fully elucidate pre-colonial and colonial era human–tropical landscape interactions.

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Language(s): eng - English
 Dates: 2021-06-10
 Publication Status: Published online
 Pages: 15
 Publishing info: -
 Table of Contents: Results
- Neotropics.
- Spanish East Indies.
Discussion
Methods
- Neotropics data preparation.
- Spanish East Indies data preparation.
- Generalized additive modelling of palaeoecological data.
- Analysis of afforestation signal over 2,000 years.
- Reporting Summary.
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41559-021-01474-4
Other: shh2972
 Degree: -

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Project name : PANTROPOCENE
Grant ID : 850709
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: Nature Ecology & Evolution
  Abbreviation : Nat. Ecol. Evol.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: - Sequence Number: s41559-021-01474-4 Start / End Page: - Identifier: ISSN: 2397-334X
CoNE: https://pure.mpg.de/cone/journals/resource/2397-334X