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Ecosystem services and landscape change: quantification and valuation of carbon sequestration dynamics in the Sabor River’s upper basin

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Resumo:Forest ecosystems provide multiple services including climate regulation through e.g. Carbon Storage and Sequestration (CSS). However, the dynamics of this Ecosystem Service (ES) is strongly influenced by Land Use/ Land Cover (LULC) changes. In order to understand the influence of these changes in the provision of this ES through time, we quantified, mapped and valued CSS in the Sabor River’s upper basin (northeastern Portugal) using the InVEST model. The assessment relied on the interpretation of LULC changes between 1990 and 2006, the estimation of carbon stocks, economic valuation and the simulation of three alternative landscape scenarios for 2020. The results suggested that between 1990 and 2006 the variation of the CSS occurred mainly due to changes in LULC and especially due to the increase of the availability of forest tree biomass. Over this period, we estimated an increase of carbon stored; its distribution among the different carbon pools varied depending on LULC types. However, for all LULC types, soil was identified as the main carbon pool. In the future the expansion of forest areas in the landscape, related to a realistic scenario of rural abandonment, can further enhance carbon sequestration, eventually adding value to the climate regulation ecosystem service.
Autores principais:Sil, Ângelo Filipe
Outros Autores:Marta-Pedroso, Cristina; Alonso, Joaquim; Honrado, João P.; Azevedo, João
Assunto:Carbon Storage Land Use/Land Cover Abandonment Landscape change Portugal Bragança
Ano:2015
País:Portugal
Tipo de documento:documento de conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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