Navigation Links
Population dynamics


Population dynamics is the study of marginal and long-term changes in the numbers, individual weights and age composition of individuals in one or several populations, and biological and environmental processes influencing those changes.

Population dynamics is the dominant branch of mathematical biology, which has a history of more than 200 years. The early period was dominated by demographic studies such as the work of Benjamin Gompertz and Pierre Franois Verhulst in the early 19th century, who refined and adjusted the Malthusian demograhical model.

A more general model formulation was proposed by F.J. Richards in 1959, by which the models of Gompertz, Verhulst and also Ludwig von Bertalanffy are covered as special cases of the general formulation. The computer game SimCity tries to simulate some of these population dynamics. Population dynamics also attempts to study topics such as aging populations or population decline.

See also:


'"/>


(Date:7/11/2014)... to the hippocampus, the marginal division of the ... What is the impact degree of substance P ... memory function? Yan Yu and his team, College ... using immunofluorescence staining, that substance P receptor, neurokinin ... striatal marginal division of normal rats. Unilateral or ...
(Date:7/11/2014)... spider toxins to study the proteins that let nerve ... they have stumbled upon a biological tactic that may ... plagues in a safe and environmentally responsible way. ... lethal for one species and harmless for a closely ... specific pests without harming beneficial species like bees. A ...
(Date:7/10/2014)... June 27, 2014  Pomerantz LLP has filed ... ("Provectus" or the "Company")(NYSE-MKT: PVCT) and certain of ... States District Court, Middle District of ... of a class consisting of all persons or ... between December 17, 2013 and May 22, 2014, ...
Breaking Biology News(10 mins):Potent spider toxin 'electrocutes' German, not American, cockroaches 2Potent spider toxin 'electrocutes' German, not American, cockroaches 3SHAREHOLDER ALERT: Pomerantz Law Firm Announces the Filing of a Class Action against Provectus Biopharmaceuticals, Inc. and Certain Officers - PVCT 2SHAREHOLDER ALERT: Pomerantz Law Firm Announces the Filing of a Class Action against Provectus Biopharmaceuticals, Inc. and Certain Officers - PVCT 3
... skin and previously considered harmless, may, in fact, be the ... sinuses that strikes more than one in ten Americans each ... of California, San Francisco. The team reports this ... sinusitis may be linked to the loss of normal microbial ...
... Society of Interventional Radiology hailed the Sept. 11 ... organization that has oversight of the 24 recognized ... Radiology,s application for a new Dual Primary Certificate ... approval, ABMS and its member boards confirmed the ...
... 12, 2012 Glucocorticoids, a group of hormones that ... increase following stress. When their relationship to stress was ... cortisol prepared the body to cope with the physical ... linked to depression and other stress-related disorders, giving rise ...
Cached Biology News:Sinusitis linked to microbial diversity 2Society of Interventional Radiology hails affirmation of specialty's role in patient care 2Society of Interventional Radiology hails affirmation of specialty's role in patient care 3Society of Interventional Radiology hails affirmation of specialty's role in patient care 4Stress hormones: Good or bad for posttraumatic stress disorder risk? 2
Other biology definitionOther Tags