Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

How are Indigenous Communities Being Affected by Deforestation and Degradation in Northern Argentina?

Version 1 : Received: 21 November 2020 / Approved: 23 November 2020 / Online: 23 November 2020 (09:11:07 CET)

How to cite: Vallejos, M.; Álvarez, A.L.; Paruelo, J.M. How are Indigenous Communities Being Affected by Deforestation and Degradation in Northern Argentina?. Preprints 2020, 2020110568 (doi: 10.20944/preprints202011.0568.v1). Vallejos, M.; Álvarez, A.L.; Paruelo, J.M. How are Indigenous Communities Being Affected by Deforestation and Degradation in Northern Argentina?. Preprints 2020, 2020110568 (doi: 10.20944/preprints202011.0568.v1).

Abstract

Agricultural expansion is altering the provision of ecosystem services and seriously affecting the well-being of the indigenous communities still living in forests. In this paper, we evaluate the impact of forest loss and degradation on the indigenous forest dependent communities of Eastern Salta, Argentina, between 2001 and 2015. First, we identified the demand area of ten final ecosystem services for 202 indigenous communities using participatory mapping data. Second, we calculated the remaining usage area using a deforestation geodatabase based on Landsat images. Third, we analyzed the significance of trends in forest productivity processing vegetation spectral indices from MODIS products. By last, we detected changes in the growing season length by evaluating monthly trends in spectral indices. Our results show a reduction of 21% in the area used by indigenous communities for capturing final ecosystem services, and significant negative trends in forest productivity for the demand area of 64% of the communities, indicating that the area of use is not only being reduced, but also remnant forest area is being degraded and the growing season is being shortened. These aspects indicate an important loss in the provision of ecosystem services that deeply affects the wellbeing of indigenous communities.

Subject Areas

Participatory mapping; Ecosystem services; Forest degradation; Deforestation; Indigenous communities; Vulnerability.

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