Interactions between biomass and wild mushrooms production in managed maritime pine stands in northeastern Portugal
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Forest ecosystems assure functions and supply services that are fundamental for human well-being. The
sustainable management of forest systems based on a multifunctional approach is an important way of
contributing locally and globally to the supply of wood for industry but also of non-woody products to (e.g. wild
mushrooms, berries), to the conservation of natural resources (e.g. soil, water, biodiversity) and cultural
heritage (e.g. scenery, traditions), and to the regulation of ecological processes (e.g. carbon sequestration,
erosion). The preferences of society, however, may favour demand and supply of particular forest goods or
services causing the decline of other (trade-off) or may favour demand and supply of several services
simultaneously (synergy). In this work we evaluated the interactions between demand and the supply of two
provisioning ecosystem services – production of wood for energy and wild mushrooms - in maritime pine
stands in north-eastern Portugal. Biomass for energy and mushrooms production are services currently
increasing in importance due to the expansion of local and international markets. The assessment was done
using AppTitude® to address spatially and economically demand and supply of these services in a heuristic
model under different scenarios. AppTitude® combined three kind of models in his assessments: i) value or
spatial suitability models, ii) price models and iii) quantity models. The results show possible conflicts and
synergies between these two ecosystem services as well as the spatial distribution of supply variability due to
forest management followed in maritime pine stands.
