Browsing by Author "Rolo, Victor"
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Item Open Access Agroforestry creates carbon sinks whilst enhancing the environment in agricultural landscapes in Europe(Elsevier, 2019-03-06) Sonja, Kay; Rega, Carlo; Moreno, Gerardo; den Herder, Michael; Palma, João H. N.; Borek, Robert; Crous-Duran, Josep; Freese, Dirk; Giannitsopoulos, Michail; Graves, Anil; Jäger, Mareike; Lamersdorf, Norbert; Memedemin, Daniyar; Mosquera-Losada, Rosa; Pantera, Anastasia; Paracchini, Maria Luisa; Paris, Pierluigi; Roces-Díaz, José V.; Rolo, Victor; Rosati, Adolfo; Sandor, Mignon; Smith, Jo; Szerencsits, Erich; Varga, Anna; Viaud, Valérie; Wawer, Rafal; Burgess, Paul J.; Herzog, FelixAgroforestry, relative to conventional agriculture, contributes significantly to carbon sequestration, increases a range of regulating ecosystem services, and enhances biodiversity. Using a transdisciplinary approach, we combined scientific and technical knowledge to evaluate nine environmental pressures in terms of ecosystem services in European farmland and assessed the carbon storage potential of suitable agroforestry systems, proposed by regional experts. First, regions with potential environmental pressures were identified with respect to soil health (soil erosion by water and wind, low soil organic carbon), water quality (water pollution by nitrates, salinization by irrigation), areas affected by climate change (rising temperature), and by underprovision in biodiversity (pollination and pest control pressures, loss of soil biodiversity). The maps were overlaid to identify areas where several pressures accumulate. In total, 94.4% of farmlands suffer from at least one environmental pressure, pastures being less affected than arable lands. Regional hotspots were located in north-western France, Denmark, Central Spain, north and south-western Italy, Greece, and eastern Romania. The 10% of the area with the highest number of accumulated pressures were defined as Priority Areas, where the implementation of agroforestry could be particularly effective. In a second step, European agroforestry experts were asked to propose agroforestry practices suitable for the Priority Areas they were familiar with, and identified 64 different systems covering a wide range of practices. These ranged from hedgerows on field boundaries to fast growing coppices or scattered single tree systems. Third, for each proposed system, the carbon storage potential was assessed based on data from the literature and the results were scaled-up to the Priority Areas. As expected, given the wide range of agroforestry practices identified, the carbon sequestration potentials ranged between 0.09 and 7.29 t C ha−1 a−1. Implementing agroforestry on the Priority Areas could lead to a sequestration of 2.1 to 63.9 million t C a−1 (7.78 and 234.85Item Open Access Challenges and innovations for improving the sustainability of European agroforestry systems of high nature and cultural value: a stakeholder perspective(Springer, 2020-06-04) Rolo, Victor; Hartel, Tibor; Aviron, Stephanie; Berg, Staffan; Crous-Duran, Josep; Franca, Antonello; Mirck, Jaconette; Nunes Palma, Joao Henrique; Pantera, Anastasia; Paulo, Joana Amaral; Pulido, Fernando Javier; Seddaiu, Giovanna; Thenail, Claudine; Varga, Anna; Viaud, Valerie; Burgess, Paul John; Moreno, GerardoTraditional forms of agroforestry are often recognized as exemplar systems that successfully integrate food production, biodiversity conservation and high cultural values. However many traditional agroforestry systems in Europe are in decline or are threatened and the perspectives of local stakeholders on the production, management, socio-economic, and environmental dimensions of such systems are not fully understood. To fill this gap, we present results of participatory research performed with ten stakeholder groups (SG) across Europe to search for solutions to improve the economic and ecological sustainability of High Nature and Cultural Value agroforestry systems (HNCV agroforestry). Stakeholders included both users and beneficiaries of the HNCV agroforestry. First, SGs held open discussions (227 participants) to identify major challenges for the long-term sustainability of HNCV agroforestry. Challenges were classified into production, management, socio-economic and the environment categories. Second, they responded to structured questionnaires (120 respondents) that explored the positive and negative perceptions of 45 possible attributes of HNCV agroforestry. Third, innovative solutions were identified by individual and group discussions to address the four categories of challenge. Challenges were mostly identified for the management and socio-economic categories, but several challenges concerning production and environment were also pinpointed. Besides, solutions matched poorly with the challenges identified, and, while challenges were at some extent common across countries, solutions to address them were more case-specific. The successful implementation of these solutions requires an in-depth understanding of the diversity of socio-cultural and natural contexts of the HNCV agroforestry systems and building bottom-up proposals and collective actions based on this understanding. The sustainability of HNCV agroforestry would be benefited by providing farmers and managers with a financial advantage from the high nature and cultural value of these systems.Item Open Access Mixtures of forest and agroforestry alleviate trade-offs between ecosystem services in European rural landscapes(Elsevier, 2021-06-17) Rolo, Victor; Roces-Díaz, José V.; Torralba, Mario; Kay, Sonja; Fagerholm, Nora; Aviron, Stephanie; Burgess, Paul; Crous-Duran, Josep; Ferreiro-Domínguez, Nuria; Graves, Anil; Hartel, Tibor; Mantzanas, Konstantinos; Mosquera-Losada, María Rosa; Palma, João H. N.; Sidiropoulou, Anna; Szerencsits, Erich; Viaud, Valérie; Herzog, Felix; Plieninger, Tobias; Moreno, GerardoRural Europe encompasses a variety of landscapes with differing levels of forest, agriculture, and agroforestry that can deliver multiple ecosystem services (ES). Whilst provisioning and regulating ES associated with individual land covers are comparatively well studied, less is known about the associated cultural ES. Only seldom are provisioning, regulating, and cultural ES investigated together to evaluate how they contribute to multifunctionality. In this study we combined biophysical and sociocultural approaches to assess how different landscapes (dominated by forest, agriculture or agroforestry) and landscape characteristics (i.e. remoteness and landscape diversity) drive spatial associations of ES (i.e. synergies, trade-offs and bundles). We analysed data of: i) seven provisioning and regulating ES (spatially modelled), and; ii) six cultural ES (derived from participatory mapping data) in 12 study sites across four different biogeographical regions of Europe. Our results showed highly differentiated ES profiles for landscapes associated to a specific land cover, with agroforestry generally providing higher cultural ES than forest and agriculture. We found a positive relationship between the proportion of forest in a landscape and provisioning and regulating ES, whilst agriculture showed negative relationships. We found four distinct bundles of ES. Three of them were directly related to a dominant land cover and the fourth to a mixture of forest and agroforestry that was associated with high social value. The latter bundle was related to zones close to urban areas and roads and medium to high landscape diversity. These findings suggest that agroforestry should be prioritised over other land covers in such areas as it delivers a suite of multiple ES, provided it is close to urban areas or roads. Our results also illustrate the importance and application of including people’s perception in the assessment of ES associations and highlight the relevance of developing integrated analyses of ES to inform landscape management decisions.