(par 1.4.1) Origins of ‘ecosystem’ & related terms
The first academic reference to the ecosystem and related concepts such as habitat, ecological succession and others. http://www.barrameda.com.ar/ecology/the-ecosystem.htm Towards 1950 the ecologists elaborated the scientific notion of ecosystem, defining it as the unit of study of ecology. In agreement with such definition, the ecosystem is a delimited space unit, integrated on the one hand, by […]
(par 1.4 ) Cycles, Balance, and Life
Cycles, Balance, and Life http://www.kidsgeo.com/geography-for-kids/0156-cycles-balance-life.php For hundreds of millions of years, the chemicals and elements found on Earth have remained relatively constant, or in other words, they have changed very little. The amount of one element or chemical in the Earth’s surface is practically the same as it was many millions of years ago. This […]
(par 1.3.3.1) Feedback Loops
FEEDBACK LOOPS https://www.learning-theories.com/feedback-loops.html Overview: Feedback loops are cause-and-effect processes within organisms and systems. Negative feedback loops serve to maintain homeostasis or equilibrium. Positive feedback loops are used to intensify or change the status of a system. Originators: Karl Ferdinand Braun (1850-1918), Henri Louis Le Chatelier (1850-1936) Keywords: homeostasis, feedback, cause-and-effect system, circuit, circle, positive feedback, negative feedback, closed […]