Abstract:Agricultural landscapes are the product of the interaction of the natural environment of an area and the practices of its farmers. In this paper, farmers' practices are examined in order to describe and understand processes of landscape change in terraced fields on the island of Lesvos, Greece. We examine the changes of the terraced fields of each farmer and the reasons for these changes, practices concerning the maintenance of terraces and how farmers view this landscape change. The concept of farming systems… Show more
“…In the northern area, fallow land displays a more homogeneous distribution, associated to intensive cultivation models and viticulture, which is an important source of income for farmers [79,81]. In fact, Mediterranean olive plantations and vineyards were not abandoned since they guarantee economically-viable products [93]. For instance, an increased incidence of fallow land has occurred in recent years in the northern area, especially around Salonika.…”
Section: Discussionmentioning
confidence: 99%
“…However, since the 1990s, the economic support of farm holders has substantially decreased, leading to important changes in the agricultural sector. Correspondingly, the Greek agricultural system has undergone effective structural and functional transformations in recent years, possibly reflected in structure and composition of rural landscapes [93]. In addition, agro-environmental EU regulations have allowed the awareness of more conservative agricultural models, possibly devoted to extensive cropping systems, for example, based on vineyards and olive groves.…”
Abstract:The present study investigates changes in the rural landscapes of a Mediterranean country (Greece) over a long time period encompassing economic expansions and recessions. Using a spatial distribution of 5 basic agricultural land-use classes (arable land, garden crop, vineyards, tree crop and fallow land) derived from official statistics at 6 years (1970, 1979, 1988, 1997, 2006, 2015), a quantitative analysis based on correlation and multivariate techniques was carried out to identify recent changes in the Greek agricultural landscape at prefectural level during different economic waves. Empirical results evidenced both intuitive and counter-intuitive landscape transformations, including: (i) a progressive, spatially-homogeneous reduction of cropland; (ii) a (more or less) rapid decrease in the surface of high-input crops, including arable land, horticulture and vineyards; (iii) a parallel increase in the surface of tree crops, especially olive; (iv) a spatially-heterogeneous decrease of fallow land concentrated in metropolitan and tourism districts, especially in the last decade; and, finally, (v) increasingly diversified landscapes in rural, accessible areas close to the sea coast. Based on a correlation analysis with background socioeconomic indicators, our findings reflect the multiple impacts of urbanization and land abandonment on the composition and diversity of rural landscapes. Changes in agricultural land-use were moulded by multiple drivers depending on latent transformations in rural systems and inherent conflicts with expanding urban regions. Together with market conditions and the Common Agricultural Policy subsidy regime, social contexts and the economic cycle are important when identifying long-term changes in agricultural landscapes, especially in transitional socio-ecological systems.
“…In the northern area, fallow land displays a more homogeneous distribution, associated to intensive cultivation models and viticulture, which is an important source of income for farmers [79,81]. In fact, Mediterranean olive plantations and vineyards were not abandoned since they guarantee economically-viable products [93]. For instance, an increased incidence of fallow land has occurred in recent years in the northern area, especially around Salonika.…”
Section: Discussionmentioning
confidence: 99%
“…However, since the 1990s, the economic support of farm holders has substantially decreased, leading to important changes in the agricultural sector. Correspondingly, the Greek agricultural system has undergone effective structural and functional transformations in recent years, possibly reflected in structure and composition of rural landscapes [93]. In addition, agro-environmental EU regulations have allowed the awareness of more conservative agricultural models, possibly devoted to extensive cropping systems, for example, based on vineyards and olive groves.…”
Abstract:The present study investigates changes in the rural landscapes of a Mediterranean country (Greece) over a long time period encompassing economic expansions and recessions. Using a spatial distribution of 5 basic agricultural land-use classes (arable land, garden crop, vineyards, tree crop and fallow land) derived from official statistics at 6 years (1970, 1979, 1988, 1997, 2006, 2015), a quantitative analysis based on correlation and multivariate techniques was carried out to identify recent changes in the Greek agricultural landscape at prefectural level during different economic waves. Empirical results evidenced both intuitive and counter-intuitive landscape transformations, including: (i) a progressive, spatially-homogeneous reduction of cropland; (ii) a (more or less) rapid decrease in the surface of high-input crops, including arable land, horticulture and vineyards; (iii) a parallel increase in the surface of tree crops, especially olive; (iv) a spatially-heterogeneous decrease of fallow land concentrated in metropolitan and tourism districts, especially in the last decade; and, finally, (v) increasingly diversified landscapes in rural, accessible areas close to the sea coast. Based on a correlation analysis with background socioeconomic indicators, our findings reflect the multiple impacts of urbanization and land abandonment on the composition and diversity of rural landscapes. Changes in agricultural land-use were moulded by multiple drivers depending on latent transformations in rural systems and inherent conflicts with expanding urban regions. Together with market conditions and the Common Agricultural Policy subsidy regime, social contexts and the economic cycle are important when identifying long-term changes in agricultural landscapes, especially in transitional socio-ecological systems.
“…As previously stated, in Mediterranean area, terraces induced deep anthropic landform changes on steep slope (Lasanta et al 2000;Varotto 2008;Kizos et al 2010), and have been recognized as a European cultural heritage (Varotto 2008;Arnaez et al 2011). In Italy, terraces are widespread features (Agnoletti et al 2011;Cullotta and Barbera 2011;Camera et al 2014).…”
In the autumn of 2014, a series of rainfall events affected several sectors of the Liguria region, triggering many shallow landslides and causing three casualties and severe structural damages. The most intensely unstable area covered 385 km 2 , in which more than 1600 landslides have been identified. After these events, an airborne Light Detection and Ranging survey was carried out. The survey yielded a high-resolution digital terrain model (DTM) and aerial images that provided a means of identifying and mapping all the occurred landslides. The distribution analysis of slope instabilities highlighted the link with various human activities. In fact, the majority of the detected landslides occurred in man-modified areas. Geospatial and statistical analyses provided the identification of three main anthropic factors: terraces, their level of maintenance and road network. Moreover, they quantified their role in landslide triggering. These factors were not analysed as separate elements, but as a continuous process, overlapping in time, in man-made influence on landscape. The identification of such factors is a key element for a correct behaviour characterization of this landscape towards extreme flash floods events.
“…Tenge et al 2005). In the same way, land managers may abandon existing conservation technologies due to substantial maintenance costs (Duarte et al 2008;Bellin et al 2009;Kizos et al 2010). Environmental conditions may play an important role in the adoption processes of SLM measures, as demonstrated by the very high uptake of no-till systems in sloping olive groves in Southern Spain where tillage is expensive (Franco and Calatrava 2012).…”
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