You are not currently logged in.
Access your personal account or get JSTOR access through your library or other institution:
The Second Derivative and Population Modeling
John P. Clark
Vol. 52, No. 4 (Jul., 1971), pp. 606-613
Published by: Wiley
Stable URL: http://www.jstor.org/stable/1934148
Page Count: 8
Preview not available
Deficiencies in first-order differential equations are discussed as a motivation for considering second-order equations. The premise that environmental and intrapopulational forces act to alter the rate of change of a population, instead of the population size directly, is then investigated as a basis for modeling the dynamics of populations. The predictions of this assumption are compared to several classical features of previously published data and found to give some justification for the adoption of this view.
Ecology © 1971 Wiley