Sterlet Sterlet The sterlet ("Acipenser ruthenus") is a relatively small species of sturgeon from Eurasia native to large rivers that flow into the Black Sea, Azov Sea, and Caspian Sea, as well as rivers in Siberia as far east as Yenisei. Populations migrating between fresh and salt water (anadromous) have been extirpated. Due to overfishing (for its flesh, caviar, and isinglass), pollution, and dams, the sterlet has declined throughout its native range and is considered vulnerable by the IUCN. Restocking projects are ongoing, and it has been introduced to some regions outside its native range, but the latter have generally not
The Three Types of Legitimate Rule law. On the other hand, these systems can be challenged by the appearance of a new charismatic leader, especially during economic or military crises. These 'pure types' are almost always found in combination with other 'pure types' — for example, familial charisma (important in kingship and the Indian caste system) is a combination of charismatic and traditional elements, while institutional charisma (existing in all church organizations, but absent from a priesthood that fails to develop such an organization) is a mixture of charismatic and legal elements. The Three Types of Legitimate Rule "The Three Types of Legitimate Rule" ("Die drei