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Shelford's law of tolerance

Shelford's law of tolerance A law, proposed by V. E. Shelford, that states that the presence and success of an organism depend upon the extent to which a complex of conditions are satisfied. The absence or failure of an organism can be controlled by the qualitative or quantitative deficiency or excess or any one of several factors which may approach the limits of tolerance for that organism.

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"Shelford's law of tolerance." A Dictionary of Plant Sciences. . Encyclopedia.com. 25 Jun. 2017 <http://www.encyclopedia.com>.

"Shelford's law of tolerance." A Dictionary of Plant Sciences. . Encyclopedia.com. (June 25, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/shelfords-law-tolerance

"Shelford's law of tolerance." A Dictionary of Plant Sciences. . Retrieved June 25, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/shelfords-law-tolerance

Shelford's law of tolerance

Shelford's 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.

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"Shelford's law of tolerance." A Dictionary of Zoology. . Encyclopedia.com. 25 Jun. 2017 <http://www.encyclopedia.com>.

"Shelford's law of tolerance." A Dictionary of Zoology. . Encyclopedia.com. (June 25, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/shelfords-law-tolerance-0

"Shelford's law of tolerance." A Dictionary of Zoology. . Retrieved June 25, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/shelfords-law-tolerance-0