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The traditional hierarchy, as detailed below, extends from atoms to biospheres. The higher levels of this scheme are often referred to as an ecological organisation concept, or as the field , hierarchical ecology .
The authority-based hierarchy, also known as the formal hierarchy, to a large extent arises from the legal structure of the organization: for example, the owner of the firm is also the CEO or appoints the CEO, who in turn appoints and supervises departmental managers, and so forth.
Organizations can be structured as a dominance hierarchy. In an organizational hierarchy, there is a single person or group with the most power or authority, and each subsequent level represents a lesser authority. Most organizations are structured in this manner, [25] including governments, companies, armed forces, militia and organized religions.
In a group of related items, heterarchy is a state wherein any pair of items is likely to be related in two or more differing ways. Whereas hierarchies sort groups into progressively smaller categories and subcategories, heterarchies divide and unite groups variously, according to multiple concerns that emerge or recede from view according to perspective.
Charles Heckscher has developed an ideal type, the post-bureaucratic organization, in which decisions are based on dialogue and consensus rather than authority and command, the organization is a network rather than a hierarchy, open at the boundaries (in direct contrast to culture management); there is an emphasis on meta-decision-making rules ...
Hierarchy is an important concept in a wide variety of fields, such as architecture, philosophy, design, mathematics, computer science, organizational theory, systems theory, systematic biology, and the social sciences (especially political science).
Hierarchy theory is a means of studying ecological systems in which the relationship between all of the components is of great complexity. Hierarchy theory focuses on levels of organization and issues of scale , with a specific focus on the role of the observer in the definition of the system. [ 1 ]
An "authority" may be placed after a scientific name. [94] The authority is the name of the scientist or scientists who first validly published the name. [ 94 ] For example, in 1758, Linnaeus gave the Asian elephant the scientific name Elephas maximus , so the name is sometimes written as " Elephas maximus Linnaeus, 1758". [ 95 ]