Abstract In the Mediterranean Basin, sheep meat production systems are based on grazing, and help to conserve biodiversity, mitigate greenhouse gases emissions maintain population in rural areas. However, lack of differentiation pastoral systems, as opposed intensive model, puts its continuity at risk. this sense, organic farming can be an alternative sustain extensive sheep-cereal marginal dry...

the islamic republic of iran, in her 20 year vision by the year 2025, is a developed country with the first economic, scientific and technological status in the region, with revolutionary and islamic identity, inspiring islamic world, as well as effective and constructive interaction in international relations. enjoying health, welfare, food security, social security, equal opportunities, fair ...

Chlorophyll fluorescence has been routinely used for many years to monitor the photosynthetic performance of plants non-invasively. The relationships between chlorophyll fluorescence parameters and leaf photosynthetic performance are reviewed in the context of applications of fluorescence measurements to screening programmes which seek to identify improved plant performance. The potential role ...

The aim of this paper is to consider the extent to which the comparative capitalism literature fully reflects the available empirical evidence in its attempts to model different versions of capitalism, and in particular whether it adequately captures the roles of diverse stakeholders within the capitalist system. In doing so, particular attention is accorded to the varieties of capitalism liter...