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N Species Competition
Author(s) -
Strobeck Curtis
Publication year - 1973
Publication title -
ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.144
H-Index - 294
eISSN - 1939-9170
pISSN - 0012-9658
DOI - 10.2307/1935355
Subject(s) - competition (biology) , interspecific competition , ecology , coexistence theory , storage effect , competition model , biology , economics , microeconomics , profit (economics)
The necessary and sufficient conditions are derived for the coexistence of n species between which competition is defined by the Lotka—Volterra equations. For two species competition, these conditions reduce to the conditions obtained by the graphical method. For n > 2, they involve not only the carrying capacities and the coefficients of competition of the n species but also the intrinsic rates of growth. The conditions for coexistence of three species are developed in some detail.