Integrating extensive beef productions into the agro-food chain

Agricultural outputs are immersed in a context of change characterized by an evolution from the quantity to the quality, in consonance with consumer's demand. Among the different productions, beef has been one of the more affected goods, due to the confluence of different factors, such as: the high international competition, the existing surpluses in the European Union, food crisis, as EEB, and more recently, those aspects related to animal welfare and the environment. Integrating quality beef into the food chain, and particularly, the one coming from extensive breeding systems, evidence different aspects insufficiently well-known, both, from the point of view of the production as from the demand. This article, try to identify such factors in order to get a better integration of this kind of productions into the food chain, by applying Delphi Methodology, in order to summarize and present the information given by different actors, as farmers, consumers, policy makers, administrative institutions…Results, evidence a high consensus about the need to keep on working in the differentiation of the product as well as to improve the information and promotion of this product, being production costs or even the price, not so decisive in this case.Quality beef, extensive production systems, Delphi analysis., Agricultural and Food Policy,

Invariant vacuum

We apply the Lewis-Riesenfeld invariant method for the harmonic oscillator with time dependent mass and frequency to the modes of a charged scalar field that propagates in a curved, homogeneous and isotropic spacetime. We recover the Bunch-Davies vacuum in the case of a flat DeSitter spacetime, the equivalent one in the case of a closed DeSitter spacetime and the invariant vacuum in a curved spacetime that evolves adiabatically. In the three cases, it is computed the thermodynamical magnitudes of entanglement between the modes of the particles and antiparticles of the invariant vacuum, and the modification of the Friedmann equation caused by the existence of the energy density of entanglement. The amplitude of the vacuum fluctuations are also computed.Comment: 10 pages. Revised version. Accepted in PL

The territorial redefinition of the Vineyard Landscape in the sherry wine region (Spain)

The wine sector is a sector that lives and breathes its history and identity; and where developmental alternatives are sought in order to be able to compete in the market. Vineyard areas are sold as rural paradises, where leisure, gastronomy, the landscape, and open-air activities all provide quality tourist experiences. The case of the Sherry Wine Region (Spain) illustrates local restructuring processes, changes in local-global planning, and the socioeconomic impacts of the globalization of food. The symbiosis between the specific, the global, and the historical discourses gives rise to reflections on this region’s territorial redefinition; and highlights its architectural heritage, its landscape, and the gastronomic experiences on offer. Diversification is regenerating the local economy, and wine, and wine tourism, are both the focus of a new territorial policy strategy designed to face the challenges of globalization, and common bonds for partnerships between the public and the private sectors.Ministry of Economy and Competitiveness of the Government of Spain CSO2015-6640