# 3:5

## Terms

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- demographic transition
- A shift from zero population growth in which birth rates and death rates are high to zero population growth characterized instead by low birth and death rates
- sustainable resource management
- A management policy in which long term resource viability is emphasized instead of short-term economic gain
- uniform
- Describing a dispersion pattern in which individuals are evenly distributed in space, e.g. exactly one per square meter
- exponential population growth
- The geometric increase of a population as it grows in an ideal, unlimited environment
- Density
- An ecological measure of the number of individuals per unit of space (area, volume, etc.)
- carrying capacity
- The maximum population size that can be supported by the available resources, symbolized as K
- K-selected
- Populations that maximize the carrying capacity of their environment
- population
- A group of interacting individuals belonging to one species and living in the same geographic area that therefore can potentially interbreed.
- maximum sustained yields
- A method of setting harvest limits such that produces a consistent yield is produced without forcing a population into decline
- density-independent
- exponential population growth
- survivorship curves
- A plot of the number of members of a cohort that are still alive at each age; one way to represent age-specific mortality
- logistic population growth
- A model describing population growth that levels off as population size approaches carrying capacity
- Life history
- The series of events from birth through reproduction and death
- life tables
- A table of data summarizing mortality in a population
- clumped
- Describing a dispersion pattern in which individuals are aggregate in patches
- r-selected
- Populations that maximize r, the intrinsic rate of increase
- density-dependent
- Any characteristic that varies according to an increase in population density, e.g. mortality rates that increase with an increase in population size
- dispersion
- The pattern of spacing among individuals within geographic population boundaries
- random
- Describing a dispersion pattern in which individuals are spaced in a patternless, unpredictable way