Thursday 4 April 2013

Law of tolerance


A law stating that the abundance or distribution of an organism can be controlled by certain factors (e.g. the climatic, topographic, and biological requirements of plants and animals) where levels of these exceed the maximum or minimum limits of tolerance of that organism.

For each factor that affects a population, the population displays a range of tolerance.

For an organism to be successful in any given environment, each factor that affects the organism must remain within its tolerance range for that organism.

If any factor exceeds the minimum or maximum tolerance of that organism, it will fail to thrive.

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