Download Energy in agroecosystems: a tool for assessing by Gloria I. Guzman Casado, Manuel Gonzalez de Molina PDF

By Gloria I. Guzman Casado, Manuel Gonzalez de Molina

Energy in Agroecosystems: a device for Assessing Sustainability is the 1st e-book on strength research that's updated and particularly devoted to agriculture. it's written from an agroecological standpoint and is going past the traditional research of the effective use of strength. The publication offer a methodological advisor to evaluate strength potency and sustainability from an eco-energetic viewpoint.

Case reports from either Europe and the USA, that are consultant of today’s so much used scales of research (crop, farm, neighborhood or nationwide) and the various farm administration practices (traditional, industrialized, and modern organic), practice this system This ebook may be of basic curiosity to researchers, practitioners, and scholars operating within the components of agroecology, sustainable agriculture, environmental technological know-how, power research, usual assets administration, rural improvement and foreign development.

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Similarly, when a historical perspective is adopted, social metabolism can be approached at different time scales identified by the analyzed time periods. In this case, different temporal extensions or time scales can be recognized: years, decades, centuries, and millennia. After all, social metabolism has existed since the rise of the human species nearly 200,000 years ago. In short, social metabolism has been defined as the organized exchange of energy, materials, and information between society and the environment with the purpose of producing and reproducing its material means for existence.

47). Prigogine described this configuration of dissipative structures as a process of self-organization of the system. Human societies give priority to performing two basic tasks: on the one hand, producing goods and services and distributing them among its individual members, and on the other hand, reproducing the conditions that make production possible to gain stability over time. In thermodynamic terms, this implies building dissipative structures and exchanging with the environment energy, materials, and information so that these structures may function.

Social systems cannot be explained by a simple application of the laws of physics, even though human acts are subject to them. The reason for this is that although evolution is a unified process, human society is an evolutionary innovation emerged from the reflective (self-referring) capacity possessed by human beings, which is more developed than in any other species. The most direct consequence of this human mental feature is the capacity—not exclusive among higher-order animals, but rare—for building tools and, therefore, for using energy outside the organism, that is, the use of exosomatic energy.

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