Migration Rate Calculator

Calculate migration rates from population counts or allele frequency changes over time.

Calculation Method

Number of Migrants per Generation

Population Size (N)

Formula

m = migrants / N

Migration Rate

5.0000%

m = 0.050000

Gene Flow Parameters

Migrants per Generation50

Population Size1000

Nm (Effective Migrants)50.00

FST at Equilibrium0.0050

Gene Flow Assessment

High Gene Flow

Nm > 1 indicates gene flow prevents differentiation