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Articles

Land cover changes and ecosystem services at the Negro River Basin, Argentina: what is missing for better assessing nature’s contribution?

ORCID Icon, , &
Pages 265-278 | Received 14 Sep 2020, Accepted 28 Feb 2021, Published online: 29 Mar 2021
 

ABSTRACT

Ecosystem services are critical to sustaining human activity on freshwater systems since food, energy, and water provision directly depends on them. Identifying and monitoring ecosystem services can contribute to a better understanding of basin dynamics and, consequently, improve the results of resource management along the watersheds. In turn, ecosystem services provision is continuously subject to natural and anthropogenic stressors, among which land cover changes play a crucial role. The Negro is a river entirely located in Argentinean territory, and its basin constitutes one of the largest and most complex watersheds of the country. This paper characterized the Negro River basin, analyzed land cover changes in the area between the years 1992 and 2015, and determined its impact over the value of the ecosystem services in the watershed. Our results indicate that not only the land cover in the Negro River basin has remained relatively unchanged during the period under study, but also the value of ecosystem services exhibits only a slight decrease according to the traditional value transfer. Despite this, the contribution of nature to socioeconomic development in the area seems to be substantially higher when considering other factors excluded from the traditional analysis of ecosystem services, such as the exploitation of non-renewable resources and their production chains. In this context, we discussed the usefulness of the performed analysis in this particular basin, which has suffered a profound and fast socioeconomic transformation related to the oil and gas production during last years and pointed out some guidelines to assess better the contribution of nature to socioeconomic development in similar cases.

Acknowledgments

Partial support for this study was provided by grants from the FONCYT (Fondo Nacional para la Investigación Científica y Tecnológica), PICT­2016­0373, and the Inter-American Institute for Global Change Research (IAI) CRN3038, which is supported by the US National Science Foundation (Grant GEO-1128040), and an IAI-CONICET special grant, and PGI from the Universidad Nacional del Sur. The authors also want to thank the ESA Land Cover Climate Change Initiative (Land Cover CCI) Dataset Collection, the Centre for Environmental Data Analysis for the satellite data provision, the Instituto Geográfico Nacional, and the Instituto de Minería de la Nación for providing information fundamental for this study.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Notes

Additional information

Funding

This work was supported by Fondo para la Investigación Científica y Tecnológica (FONCYT): [Grant Number PICT 2016-0373]; Inter American Institute for Global Change Research: [Grant Number CRN3038].

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