population changes
1population — populational, adj. populationless, adj. /pop yeuh lay sheuhn/, n. 1. the total number of persons inhabiting a country, city, or any district or area. 2. the body of inhabitants of a place: The population of the city opposes the addition of… …
2population ecology — Introduction study of the processes that affect the distribution and abundance of animal and plant populations. A population is a subset of individuals of one species that occupies a particular geographic area and, in sexually… …
3population model — a component of a stock assessment model describing how the population changes over time. May be age/size structured or biomass based, deterministic or stochastic, density dependent or density independent, spatially structured or spatially… …
4population dynamics — noun plural but singular or plural in construction 1. : a branch of knowledge concerned with the sizes of populations and the factors involved in their maintenance, decline, or expansion 2. : the sequence of population changes characteristic of a …
5Population ageing — or population aging (see English spelling differences) occurs when the median age of a country or region rises. This happens because of rising life expectancy or declining birth rates. Excepting 18 countries termed demographic outliers by the… …
6Population dynamics — is the branch of life sciences that studies short term and long term changes in the size and age composition of populations, and the biological and environmental processes influencing those changes. Population dynamics deals with the way… …
7Population growth — is the change in population over time, and can be quantified as the change in the number of individuals in a population using per unit time for measurement. The term population growth can technically refer to any species, but almost always refers …
8Population modeling — is an application of statistical models to the study of changes in populations.Models allow us to better understand how complex interactions and processes work. Modeling of dynamic interactions in nature can provide a manageable way of… …
9Population statistics — is the use of statistics to analyze characteristics or changes to a population. It is related to social demography and demography.Population statistics can analyze anything from global demographic changes to local small scale changes. For example …
10Population mobility — Population mobility, geographic mobility or more simply mobility is a statistic that measures migration within a population. It is most commonly used in demography and human geography, it may also be used to describe the movement of animals… …
