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population
population
population (in ecology)
1. A group of individuals of the same species within a
community. The nature of a population is determined by such factors as density,
sex ratio, birth and death rates, emigration, and immigration.
2. The total number of individuals of a given species or other class of organisms in a defined area, e.g. the population of rodents in Britain.
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Population differentiation of the lodgepole pine (Pinus contorta) and jack pine (Pinus banksiana) complex in Alberta: growth, survival, and responses to climate.(Report)
Magazine article from: Canadian Journal of Botany; 6/1/2007; ; 700+ words
; ...We determined population differentiations...distances between populations from the canonical...banksiana complex, population differentiation...la survie de 33 populations du complexe d...species consist of populations genetically attuned...the movement of a population from its ...
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Population conference set for 1994; ageing, international migration examined. (International Conference on Population and Development)
Magazine article from: UN Chronicle; 6/1/1991; 700+ words
; Fifth UN population conference Dr. Nafis Sadik, Executive Director of the UN Population Fund and Secretary-General of the Conference...notable advances that had been made in the population field, particularly by developing countries...
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Populations receiving optimally fluoridated public drinking water--United States, 1992-2006.(Report)
Newspaper article from: Morbidity and Mortality Weekly Report; 7/11/2008; ; 700+ words
; ...the 2000 census populations. Earlier, in...community water system populations that exceeded state census population estimates also...intercensal state population estimates (10...community water system populations for their calculations...
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Population Commission recommends continued monitoring of world population trends and policies. (5 billion in 1987)
Magazine article from: UN Chronicle; 5/1/1987; 700+ words
; ...General's report on population trends and policies, focusing...topic such as changes in population structure including the aging of populations. 85-90 million a year...that for many countries, population growth remained a matter...
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Population growth and development prospects for Pakistan.(POPULATION DYNAMICS)(Report)
Magazine article from: Pakistan Development Review; 12/22/1998; ; 700+ words
; ...prediction and argues that this high population growth is a serious challenge...1) To examine and analyse the population growth, (2) implications of...economic development, and (3) population policy. The statistics used in...
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Indigenous population data for evaluation and performance measurement: a cautionary note.
Magazine article from: Australian Aboriginal Studies; 9/22/2008; ; 700+ words
; Abstract: I outline the status of population census counts for Indigenous peoples...comment on the 'experimental' Indigenous population projections and question the rationale...Information about a country's population, growth, characteristics, living...
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Population structure effect on reproduction of a rare plant: beyond population size effect.
Magazine article from: Canadian Journal of Botany; 9/1/2006; ; 700+ words
; ...structure, and population identity on...fitness in large populations (>1000...and 2003. All populations were similar...differed in other population spatial characteristics...aggregation within populations. Population plant size structure...
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Population momentum expresses population aging
Magazine article from: Demography; 8/1/1997; ; 700+ words
; ...model and actual populations, a one-year...about 4.5% more population growth. The population...applicable to observed populations. THE LITERATURE ON MOMENTUM AND AGING Population momentum is defined...Crossovers That Link Populations With the Same Vital...Mathematical ...
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Populations Receiving Optimally Fluoridated Public Drinking Water - United States, 1992-2006
Magazine article from: MMWR. Morbidity and Mortality Weekly Report; 7/11/2008; ; 700+ words
; ...the 2000 census populations. Earlier, in...community water system populations that exceeded state census population estimates also...intercensal state population estimates (10...community water system populations for their calculations...
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Population policy: elements of a bipartisan approach.
Magazine article from: Journal of Population Research; 9/1/2002; ; 700+ words
; ...differences between the approaches to population matters of the major political parties...prospects for a bipartisan approach to population policy and its possible characteristics...goals and concerns. Their positions on population matters also have little in common with...
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Population Dynamics
Book article from: Biology
...patterns of human population growth. How...Characterize Populations? Biologists...main types of populations: unstructured...unstructured population, all individuals...unstructured population. Conversely, in structured populations, individuals...
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Population Growth
Encyclopedia entry from: Macmillan Encyclopedia of Death and Dying
...regions, states, and so on, population growth results from a combination...equivalent to the rate of population growth only for the world...experience no migration. Populations can grow at an exponential...the growth potential of a population is to calculate its doubling...
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Population and Demographics
Encyclopedia entry from: Encyclopedia of Food and Culture
...declining, every population changes over time and space. Human populations inhabit countries...very different populations. For example...States. With a population of over one billion...overwhelmingly young population, most notably...others have aging populations, such as the more...
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Population Aging
Encyclopedia entry from: Encyclopedia of Aging
...percent of China's population. World's oldest and youngest populations Using the percentage...index to an older population, the older populations of the world at...index of a youthful population, the youngest populations in the year 2000...
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Population
Book article from: Pollution A to Z
...Principle of Population, Malthus argued that human populations tend to grow...short, human populations tend to increase...projected that population increases...2050. This population increase is...globe. The populations of some nations...
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