Bottleneck Calculator

Calculate the genetic consequences of population bottlenecks on genetic diversity.

Bottleneck Parameters

Original Population Size

Bottleneck Size

Bottleneck Duration (gens)

Recovery Population Size

Initial Heterozygosity

Initial Number of Alleles

Ht = H0 × (1 - 1/2N)^t

99.00%

Population Reduction

Moderate (>90% reduction)

Loss per Generation0.5000%

Total Het. Lost2.48%

Het. Retained97.52%

Final Heterozygosity0.4876

Alleles Retained20.0

Alleles Lost0.0 (0.0%)

Harmonic Ne288.46

Inbreeding (F)2.48%

Recovery Time29956 gens