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The word was invented in 1967 by the Greek city planner Constantinos Apostolou Doxiadis to represent the idea that, in the future, urban areas and megalopolises would eventually fuse, and there would be a single continuous worldwide city as a progression from the current urbanization, population growth, transport and human networks. [1]
Using the title of a settlement can be misleading in the absence of any widely accepted definition. For example, city status in the United Kingdom historically arose from its place in the ecclesiastic hierarchy. (In modern times, city status is awarded for secular reasons but without reference to size.)
eperopolis – 7.5 billion ecumenopolis – 50 billion The population figures above are for Doxiadis' ideal future ekistic units for the year 2100, at which time he estimated (in 1968) that Earth would achieve zero population growth at a population of 50,000,000,000 with human civilization being powered by fusion energy .
A sociocultural system is a "human population viewed (1) in its ecological context and (2) as one of the many subsystems of a larger ecological system". [1] Conceptual Model of a Sociocultural System. The term "sociocultural system. " embraces three concepts: society, culture, and system.
World population pyramid from 1950 to projected in 2100 (UN, World Population Prospects 2017) A population pyramid (age structure diagram) or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1]
Examples include study groups, sports teams, schoolmates, attorney-client, doctor-patient, coworkers, etc. Cooley had made the distinction between primary and secondary groups, by noting that the term for the latter refers to relationships that generally develop later in life, likely with much less influence on one’s identity than primary groups.
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In sociology, structural cohesion is the conception [1] [2] of a useful formal definition and measure of cohesion in social groups. It is defined as the minimal number of actors in a social network that need to be removed to disconnect the group. It is thus identical to the question of the node connectivity of a given graph in discrete mathematics.