The Kermack-McKendrick model  is a SIR model (S-Susceptible, I-Infected, R-Resistance) for the number of people infected with a spreadable illness in a closed population
Population size estimates are considered more robust throughout closed population
estimation methods and it should be preferable (Otis et al., 1978; Pollock, 1982).
Certain fish species, especially freshwater tiynpheas biting lakes, may comprise a large part of the group of species for which this type of study is possible because of the ability to identify closed populations
and the presence of historical tissue collections.
Mathematical model for obesity in a closed population
has been constructed in this paper.
The present study used the SchumacherEschmeyer method for closed populations
(see Krebs, 1999 for details) to estimate and compare the population size of Aegla paulensis from a Conservation Unit (Jaragua State Park, Sao Paulo, Brazil) sampled in two periods of the year with contrasting climatic conditions (winter and summer) to verify whether the results observed by Bueno et al.
In a small closed population
, inbreeding increases at a higher rate, leading to loss of alleles, which is impossible to counterbalance without migration (Wooliams, 2007).
Considering all these aspects, many honey bees relatively genetic closed population
breeding programs have been elaborated, most of them using selection index mating control by instrumental insemination , or modern BLUP animal model approach .
estimation models and their extensions in program MARK.
Inquiring with your leadership, you may get several competing explanations, including a drop in new incoming features (which shifts your closed population
to older files), a change in procedure that prolongs the investigation time, and customers who are negotiating more because of tough economic times.
Vaccination may also be beneficial to reduce mortality in this small, geographically closed population
Another important clarification is that, unlike some populations studied, our system was "open" and not "closed." A closed population
restricts movement in and out of the population.
Estimation of a closed population
. Biometrika 45:343-359.