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Carrying capacity is applied to the maximum population an environment can support in ecology, agriculture and fisheries. The term carrying capacity has been applied to a few different processes in the past before finally being applied to population limits in the 1950s. [1] The notion of carrying capacity for humans is covered by the notion of ...
In 1974, Hardin published two articles describing his view of "lifeboat ethics" in Psychology Today [2] and BioScience. [3] At the time, based on per-capita gross national product, Hardin asserted that approximately two-thirds of the world's population was "desperately poor" and the remaining one-third was "comparatively rich" before launching his metaphor of each rich country being in a full ...
Thomas Robert Malthus FRS (/ ˈmælθəs /; 13/14 February 1766 – 29 December 1834) [1] was an English economist, cleric, and scholar influential in the fields of political economy and demography. [2] In his 1798 book An Essay on the Principle of Population, Malthus observed that an increase in a nation's food production improved the well ...
William Robert Catton, Jr. (January 15, 1926 – January 5, 2015) was an American sociologist known for his scholarly work in environmental sociology and human ecology. [1] More broadly, Catton is known for his 1980 book, Overshoot: The Ecological Basis of Revolutionary Change, which is credited by younger generations of environmental scholars ...
More recently, the panarchy theories of adaptive capacity and resilience promoted by C. S. Holling and Lance Gunderson have revived interest in the theory, and use it as a way of integrating social systems, economics, and ecology. [44] Writing in 2002, Reznick and colleagues reviewed the controversy regarding r/K selection theory and concluded ...
I = (PAT) is the mathematical notation of a formula put forward to describe the impact of human activity on the environment. I = P × A × T. The expression equates human impact on the environment to a function of three factors: population (P), affluence (A) and technology (T). [1] It is similar in form to the Kaya identity, which applies ...
The Washington, D.C., police forces were mobilized to full capacity for the march, including reserve officers and deputized firefighters. A total of 5,900 police officers were on duty. [ 63 ] The government mustered 2,000 men from the National Guard , and brought in 3,000 outside soldiers to join the 1,000 already stationed in the area. [ 64 ]
Scouller argued that self-mastery is the key to growing one's leadership presence, building trusting relationships with followers, and dissolving one's limiting beliefs and habits. This enables behavioral flexibility as circumstances change, while staying connected to one's core values (that is, while remaining authentic).