Species Accumulation Curve Calculator
Analyze species accumulation patterns and estimate total species richness from sampling data.
Input Parameters
Michaelis-Menten Model:
S(n) = Smax × n / (B + n)
Smax = asymptotic richness, B = half-saturation
Estimated Asymptotic Richness (Smax)
38.5
species (R² = 0.997)
Observed Species
26
Extrapolated
31.2
Completeness
67.5%
Current Rate
0.56
Sampling Effort Analysis
Half-saturation (B)7.05 samples
Samples for 90% Smax63.4 samples
Samples for 95% Smax133.9 samples
Model Fit (R²)0.9966