Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Tradeoffs among provisioning and regulation ecosystem services in mountain areas in the north of Portugal affected by fast landscape change
Mountain areas in Portugal provide a diversity of essential ecosystem services, including many provisioning and regulating services. These areas have gone through fast and significant landscape change over the past decades mainly driven by depopulation and agriculture abandonment. To understand how these changes affect the provision of ecosystem services (ESs) in mountain areas in Portugal and to gain insight into how ESs can support management and planning in these changing landscapes, we conducted an assessment of a set of ecosystem services, specifically timber, firewood, mushrooms, freshwater supply, and agriculture crops production (provisioning services), and carbon storage and sequestration, fire regulation, and water regulation (regulating services) in a medium-sized watershed (Alto Sabor) in northern Portugal. The assessment of each ecosystem service included biophysical quantification and economical valuation, using surveys, published statistics, and modeling tools (e.g., InVEST and SWAT) in a spatially explicit manner and was supported by land use/land cover change data from 1990 and 2006. Additionally, scenarios for 2020 were created based on observed land use and land use cover change in the region during the latest decades, namely further expansion of forest stands (FOREST), further abandonment of agriculture (ABANDONMENT), and expansion of shurblands (SHRUBLANDS). Trade-off analysis was conducted in order to evaluate not just the possible combinations of outcomes of landscape structure but also the impact of current and future land use/land cover changes in the provision of ecosystem services. Over the 1990-2016 period the landscape of the Alto Sabor basin showed an increase in forest area (21%) and a decrease in agriculture land (14%) and shrublands (3%). The heterogeneity of the landscape increased slightly as indicated by a decrease in metrics such as patch size, distances among patches, and size of the largest patch in each land class, and an increase in number of patches, extension of edges, ...
Tradeoffs among provisioning and regulation ecosystem services in mountain areas in the north of Portugal affected by fast landscape change
Mountain areas in Portugal provide a diversity of essential ecosystem services, including many provisioning and regulating services. These areas have gone through fast and significant landscape change over the past decades mainly driven by depopulation and agriculture abandonment. To understand how these changes affect the provision of ecosystem services (ESs) in mountain areas in Portugal and to gain insight into how ESs can support management and planning in these changing landscapes, we conducted an assessment of a set of ecosystem services, specifically timber, firewood, mushrooms, freshwater supply, and agriculture crops production (provisioning services), and carbon storage and sequestration, fire regulation, and water regulation (regulating services) in a medium-sized watershed (Alto Sabor) in northern Portugal. The assessment of each ecosystem service included biophysical quantification and economical valuation, using surveys, published statistics, and modeling tools (e.g., InVEST and SWAT) in a spatially explicit manner and was supported by land use/land cover change data from 1990 and 2006. Additionally, scenarios for 2020 were created based on observed land use and land use cover change in the region during the latest decades, namely further expansion of forest stands (FOREST), further abandonment of agriculture (ABANDONMENT), and expansion of shurblands (SHRUBLANDS). Trade-off analysis was conducted in order to evaluate not just the possible combinations of outcomes of landscape structure but also the impact of current and future land use/land cover changes in the provision of ecosystem services. Over the 1990-2016 period the landscape of the Alto Sabor basin showed an increase in forest area (21%) and a decrease in agriculture land (14%) and shrublands (3%). The heterogeneity of the landscape increased slightly as indicated by a decrease in metrics such as patch size, distances among patches, and size of the largest patch in each land class, and an increase in number of patches, extension of edges, ...
Tradeoffs among provisioning and regulation ecosystem services in mountain areas in the north of Portugal affected by fast landscape change
Sil, Ângelo (Autor:in) / Rodrigues, Ana Paula (Autor:in) / Nunes, João Pedro (Autor:in) / Carvalho-Santos, Cláudia (Autor:in) / Honrado, João P. (Autor:in) / Alonso, Joaquim (Autor:in) / Marta-Pedroso, Cristina (Autor:in) / Azevedo, João (Autor:in)
01.01.2015
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
DDC:
710
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