http://hdl.handle.net/10174/987 2026-09-25T14:05:36Z 2026-09-25T14:05:36Z Fatahi, Nour-Elhouda Pinto-Correia, Teresa Costa Freitas, Maria de Belém Marques, J. Tiago Belhouchette, Hatem http://hdl.handle.net/10174/42628 2026-09-21T14:11:16Z 2026-03-10T00:00:00Z

Title: Adapting Mediterranean Agroforestry to Global Change: Trade-Offs and Lessons from the Montado Authors: Fatahi, Nour-Elhouda; Pinto-Correia, Teresa; Costa Freitas, Maria de Belém; Marques, J. Tiago; Belhouchette, Hatem Abstract: The Montado, a traditional Mediterranean agro-silvopastoral system, has historically sustained ecological and economic functions through the integration of trees, livestock, and crops. Today, its multifunctionality is increasingly threatened by climate variability, market volatility, and evolving policy frameworks. While previous research has examined Montado dynamics at landscape or plot scales, less attention has been paid to sustainability trajectories at the farm level, where management decisions are made. This study bridges that gap by assessing the sustainability dynamics of farms through a participatory, typology based, scenario approach grounded in a regional typology. We characterized three representative farm archetypes (forestry-focused, mixed agro-silvopastoral, and livestock-focused) and evaluated their trajectories under plausible future scenarios driven by climate, market, and policy pressures. Scenario outcomes were assessed using expert-based scoring (five-point scale), revealing score differences of up to two points across sustainability dimensions between farm archetypes and scenarios. Findings reveal marked trade-offs: Tree-focused farms maintain high environmental value but remain vulnerable to market and labor constraints, while livestock-specialized farms achieve higher economic output at the expense of ecological integrity. Mixed systems demonstrate greater resilience through diversification but face significant labor intensity challenges. We conclude that current “one-size-fits-all” policies generate contradictory incentives. Therefore, adaptive governance frameworks (e.g., results-based payment schemes) are essential to realign farm economics with ecological stewardship. Beyond the Montado, the approach provides insights relevant to other Mediterranean agroforestry systems facing similar sustainability challenges.

2026-03-10T00:00:00Z Campoverde, Maria S. Bellou, Natassa Julien, Elisabeth Oliveira, Inês Pedro, Sílvia Pereira, João Almeida, Pedro R. Mateus, Catarina S. Boavida-Portugal, Joana http://hdl.handle.net/10174/42622 2026-09-21T14:08:12Z 2026-06-23T23:00:00Z

Title: Labeling for Sustainability: Evaluating a Label-of-Origin Scheme in Diadromous Small-Scale Fisheries in Portugal Authors: Campoverde, Maria S.; Bellou, Natassa; Julien, Elisabeth; Oliveira, Inês; Pedro, Sílvia; Pereira, João; Almeida, Pedro R.; Mateus, Catarina S.; Boavida-Portugal, Joana Abstract: Diadromous fish such as Petromyzon marinus and Alosa alosa support economically and culturally important small-scale fisheries in Portugal but face increasing pressures such as habitat degradation, climate change, and overexploitation. In response, a voluntary label-of-origin system was introduced in selected river basins to enhance product differentiation and improve traceability. This study evaluates the implementation and performance of this initiative in the Mondego and Vouga river basins. A mixed-methods approach combined analysis of labeling records with stakeholder interviews and questionnaires, complemented by a multi-criteria assessment of implementation challenges. Results indicate generally positive stakeholder perceptions regarding trust and market valorization; however, adoption remained inconsistent and highly dependent on institutional facilitation. Key constraints included limited traceability information, operational difficulties in tag application, and fragmented governance responsibilities. The findings suggest that while voluntary labeling initiatives may enhance product transparency and perceived value, their effectiveness depends on operational feasibility, regulatory integration, and sustained institutional support. This case study provides empirical insights into the opportunities and limitations of traceability-based instruments for governance and management in inland small-scale fisheries.

2026-06-23T23:00:00Z Oliveira, Paulo Arraiano-Castilho, Ricardo http://hdl.handle.net/10174/42352 2026-07-14T11:17:59Z 2025-09-05T23:00:00Z

Title: Charting taxa in Amanita section Amidella (Basidiomycota: Amanitaceae) Authors: Oliveira, Paulo; Arraiano-Castilho, Ricardo Editors: Yang, Zhu-Liang Abstract: Species determination in the Amidella clade is notoriously difficult, because of the relative dearth of diagnostic characters and the rather common occurrence of homoplasies. This results in a substantial number of misnamed and unnamed collections, a misapprehension of the geographic range of known species and a gross underestimation of the number of species it contains. To assess the diversity that should be considered as part of Amidella, DNA sequences available for this group were retrieved in public nucleotide databases, using a combination of approaches to achieve a comprehensive representation. Phylogenetic analysis based on the aligned ITS sequences, consistently with the results from other molecular markers (ncLSU, RPB2, TEF1, BTUB), suggests five major clades: one containing the type species Amanita volvata; another for Amanita ponderosa and allies; a third one (roughly half of all species) with Amanita lepiotoides; and two others without valid species yet. At species level, around 81 clades were delimited, of which only 16–17 can be assigned a valid name, with a few more corresponding to provisional taxa listed in the amanitaceae.org website. Up to three further species without assigned sequences might correspond to the proposed clades. The current evidence suggests a rather narrow geographic range for most of these clades. This study provides a phylogeny-arranged outlook of the worldwide distribution of Amidella species and an infrasectional framework for optimising taxonomic sampling and designing clade-specific molecular markers to assist in identification.

2025-09-05T23:00:00Z Berry, Madeleine Davidsen, Jan Nevoux, Marie Aarestrup, Kim Alexandre, Carlos M. Silva, Sara Thorén, Alexander Engstöm, Anders Ahvenainen, Matilda Höjesjö, Johan http://hdl.handle.net/10174/42112 2026-06-05T09:24:09Z 2025-01-01T00:00:00Z

Title: Do offspring characteristics reflect parental migration variation? Authors: Berry, Madeleine; Davidsen, Jan; Nevoux, Marie; Aarestrup, Kim; Alexandre, Carlos M.; Silva, Sara; Thorén, Alexander; Engstöm, Anders; Ahvenainen, Matilda; Höjesjö, Johan Abstract: Sea trout, Salmo trutta, display a wide range of migratory behaviours, and one aspect of variation comes from freshwater migration distance. The overall aim of this study was to determine if offspring of long- and short-distance migrants exhibited phenotypic differences relating to parental migration distance. For that purpose, we conducted several behavioural tests (dyadic contest, boldness scoring and open field test) and morphological analysis (relative pectoral-fin length) in multiple freshwater systems across the distribution range of the target species in Europe. It was expected that offspring of long-distance migrants would be more active, bold and dominant than those of short-distance migrants and would have longer pectoral fins relative to body length. Additionally, we investigated if boldness varied in relation to latitude. We showed that offspring of long-distance migrants were more dominant in two cases and more active in one case than those of short-distance migrants; however, there was no difference in swimming distance or velocity. Boldness and relative pectoral-fin length were significantly related to site of origin; however, the direction of this relationship differed between systems. Generally, we detected a decrease in boldness with declining latitude. In summary, we have detected variation among juveniles related to location within a stream; however, the drivers and processes behind these are likely more complex than purely parental migratory strategy. Our results can inform suitable management and conservation efforts directed to anadromous Salmo trutta. For example, habitat restoration and removal of migration barriers can increase the possible range of migration distances helping maintain the phenotypic diversity of offspring.

2025-01-01T00:00:00Z