populations biology

A group of the same species inhabiting a specific geographical area at a particular time form a population..

It is the total number of individuals of a species per unit area or volume at a given time. (Such as number of animals per square kilometre or number of trees per area etc.) Population density reflects the success of a species in any given area. Population density (P.D) can be ..

Population Explosion - Population explosion is one of the most serious problems faced by the developing countries. Increase in population has resulted in strain on the resources. More and more land has been brought under cultivation and occupation. This has reduced the..

Population and Its Characteristics - Population is the next level in ecological hierarchy the word population has its origin in the Latin word populus meaning 'people'. In ecology, population is defined as the total number of all individuals of a particular s..

Population Density - It is the most important parameter indicating the pressure of population on land, water and other resources. Usually, higher population density (expressed as number of people (square kilometers) is found in urban areas than in rural areas. Regional..

Individuals living in the same area are referred as local populations. They all experience similar ecological processess at a particular stage of the life cycle. Similar populations of a species occupying different geographical areas are called sister populations. ..

Population is the next level in ecological hierarchy the word population has its origin in the Latin word populus meaning 'people'. In ecology, population is defined as the total number of all individuals of a particular species, which breed among themselves or have th..

Population is defined as the total number of individuals of a species present in a particular area. (For e.g., a country or a state or a city) Population is studied by a comprehensive census - wherein exhaustive and classified information about number, sex, education, age, incom..

It is the most important parameter indicating the pressure of population on land, water and other resources. Usually, higher population density (expressed as number of people (square kilometers) is found in urban areas than in rural areas. Regional disparities of density o..

Population of a country should grow reasonably to match with growth in its gross domestic product to maintain the existing standard of living. Reducing growth or negative growth in population may be desirable if the standard of living should increase by more favourable per..