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This article is intended as a review of the current situation regarding the impact of olive cultivation in Southern Spain (Andalusia) on soil degradation processes and its progression into yield impacts, due to diminishing soil profile depth and climate change in the sloping areas where it is usually cultivated. Finally, it explores the possible implications in the regional agricultural policy these results might have. It tries to show how the expansion and intensification of olive cultivation in Andalusia, especially since the late 18th century, had as a consequence an acceleration of erosion processes that can be identified by several indicators and techniques. Experimental and model analysis indicates that the rate of soil erosion accelerated since the expansion of mechanization in the late 1950s. In addition, that unsustainable erosion rates have prevailed in the region since the shift to a more intense olive cultivation systems by the end of the 17th Century. Although agroenvironmental measures implemented since the early 2000s have reduced erosion

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This article discusses the economic dimensions of agroecological farming systems in Europe. It firstly theoretically elaborates the reasons why, and under what conditions, agroecological farming systems have the potential to produce higher incomes than farms that follow the conventional logic. This theoretical exposition is then followed by a presentation of empirical material from a wide range of European countries that shows the extent to which this potential is being realized. The empirical data draw upon different styles of farming that can be described as 'proto-agroecological': approaches to farming that are agroecological by nature, but which may not necessarily explicitly define themselves as agroecological. The empirical material that we present shows the huge potential and radical opportunities that Europe's, often silent, 'agroecological turn' offers to farmers that could (and should) be the basis for the future transformation of European agricultural policies, since agroecology not only allows for more sustainable production of healthier food but also considerably improves farmers' incomes. It equally carries the promise of re-enlarging productive agricultural (and related) employment and increasing the total income generated by the agricultural sector, at both regional and national levels. While we recognise that agroecology is a worldwide and multidimensional phenomenon we have chosen to limit this analysis to Europe and the economic dimension. This choice is made in order to refute current discourses that represent agroecology as unproductive and unprofitable and an option that would require massive subsidies.