Fitness and density-dependent population growth in Drosophila melanogaster

Journal Article · Sun Mar 01 00:00:00 EST 1981 · Genetics; (United States)

OSTI ID:6315608

Mueller, L D; Ayala, F J

The density-dependent rates of population growth were determined for 26 populations of Drosophila melanogaster maintained in the serial transfer system. Twenty-five populations were homozygous for an entire chromosome 2 sampled from nature; the other was a random heterozygous population. Rates of population growth around the carrying capacity cannot explain the large fitness depression of these lines. However, the homozygous lines show large differences in rates of population growth at low densities relative to the random heterozygous standard. The average relative fitness of the homozygous lines, as determined from the growth rates at the lowest density, is 0.51.

• Research Organization: Univ. of California, Davis
• OSTI ID: 6315608
• Journal Information: Genetics; (United States), Vol. 97:3-4
• Country of Publication: United States
• Language: English

Related Subjects

59 BASIC BIOLOGICAL SCIENCES
DROSOPHILA
POPULATION DYNAMICS
POPULATION DENSITY
GENETIC EFFECTS
CALCULATION METHODS
GROWTH
PRODUCTIVITY
ANIMALS
ARTHROPODS
BIOLOGICAL EFFECTS
DIPTERA
FLIES
FRUIT FLIES
INSECTS
INVERTEBRATES
550400* - Genetics
550100 - Behavioral Biology