Resumo

ROSITANO, Florencia  e  FERRARO, Diego O. Una nueva aproximación metodológica basada en redes conceptuales y redes probabilísticas para evaluar la provisión de servicios de los ecosistemas. Ecol. austral [online]. 2017, vol.27, n.1, pp.10-17. ISSN 1667-782X.

In the last few years, there have been an increasing number of tools to environmentally assess ecosystem services (ES) provision. However, its complexity discourages attempts to adopt a single methodological approach. Then, the aim of this study was to assess a new framework to analyze ES provision, based on conceptual and probabilistic networks. First, the new methodological approach was described. This approach consisted of a conceptual network representing those variables that determine eight ES provided by the Pampa region. The conceptual network was parameterized using a probabilistic methodology known as Bayesian networks, and then was applied to three Pampean agroecosystems. Finally, the new analytical framework was compared with other national and international approaches that assess ES provision, such as InVEST, RIOS, ARIES and ECOSER. The approach presented here could be helpful to: a) assess the sustainability of Pampean agroecosystems from an ecological dimension, and/or b) to assist decision makers (i.e., farmers and their advisors) in the implementation of sustainable land use strategies.

Palavras-chave : Bayesian Networks; Conceptual networks; Ecosystem services; Expert knowledge.