Related Experiment Videos

Age cohort analysis of the 20th century decline in U.S. farm numbers

Journal of Rural Studies
|January 1, 1996
PubMed

Related Concept Videos

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Conservation of Declining Populations

Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
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Population Growth

Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.However, realistic environmental conditions limit the number of...
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Cross-Sectional Research

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Conservation of Small Populations

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