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The paper presents a critical revision of conceptual frameworks that have analyzed the nature of the relationship peasant-ecosystems. This need arises from the acknowledgement that rural space and -particularly the peasants inhabiting it- currently undergo a sociopolitical resignification that stems from the revalorization of ecosystem services in the face of the global environmental crisis. Such issues call not only to deconstruct traditional frameworks that have explained this problem, but also to analyze the new meanings that different social actors give to this interaction. Drawing upon a framework based on critical sociology and political ecology, the paper proposes the concepts of "ecosocial solidarity" and "ecosocial project" in order to grasp the rationale leading the practices carried out by peasants in relation to ecosystem services. [ABSTRACT FROM AUTHOR]

In Ecuador and Colombia there are indigenous and peasant communities that still grow three Andean tubers: Ullucus tuberosum, Oxalis tuberosa and Tropaelum tuberosum. This paper, supported by a local ethnoecological analysis of the agricultural knowledge, explains the determinants for preservation in situ in both countries by means of cultural practices and beliefs associated with these species. It shows how existing laws, institutions, migration and land uses directly affect their planting areas and cultivation techniques. However, the persistence of beliefs about its uses stands out due to the prevalent memory of the adult population. [ABSTRACT FROM AUTHOR]

This paper aims to analyze the role of the policies that support organic agriculture in the sector promotion, from the case of Andalucia in Spain, the largest in area and number of operators in the country. To do this, in the first place, key policies at regional, national and supranational levels that have potentially affected the supply of the sector are identified. Then, the evolution of the main variables related to it is illustrated (surface, producers, demand, etc...). Based on the foregoing, it is concluded that the existence of a relationship between the aids to organic production and the sectoral development could be presumable. [ABSTRACT FROM AUTHOR]