Textbook: Chapter 8 - Properties of Populations Flashcards
Abundance
The number of individuals of a species in a given area
Crude density
The number of individuals per unit area; compare ecological density
Dispersal
Leaving an area of birth or activity for another area
Distribution
The spatial location or area occupied by a population
Emigration
Movement of part of a population permanenetly out of an area
Ecological density
Density measured in terms of the number of individuals per area of available living space; compare crude density
Geographic range
The distribution described by all the individuals of a species encompassed in a defined area
Genet
A genetic individual that arises from a single fertilized egg
Immigration
Arrival of new individuals into a habitat or population
Local sub population
A subpopulation associated with a restricted patch of habitat
Migration
Intentional, directional, usually seasonal movement of animals between two regions or habitats; involves departure and retrun of the same individual; a round-trip movement
Metapopulation
A population broken into sets of subpopulations held together by dispersal or movements of individuals among them
Population density
The number of individuals in a population per unit area
Ramet
An individual member of a plant clone