Abstract Sediment is an essential component of water and river systems. The anthropogenic alteration sediment fluxes in the world’s rivers one principal markers Anthropocene, new geological epoch characterized by human influence at planetary scale. In spite its environmental historical importance, histories have surprisingly neglected until recently. This introduction to special issue “The Soci...

mohaghegh-esabzevarididthemostseriouscontemplations over political life in the safavid era, discussing various political systems from a pragmatic view point. social life, law, just ruler, the objectives of state, utopian political system, defective political system, the charactristics of ruling system, the types of social classes and guilds, the organization of state, emphasis on the asceticism...