Lande SDE: Itô drift=r−σ²/2; critical r*=σ²/2; N_e(100,10)=200/11; drift-var=q(1−q)/(2T)

Layer 3 — Biologyin the conservation-biology subtree

Sympy-exact symbolic witness of Lande lognormal extinction SDE drift correction, critical threshold, harmonic-mean effective size, and Wright-Fisher drift variance. Setup: r, sigma, N1, N2, q, T — all positive symbols. Itô-corrected…

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Lande lognormal SDE: d(ln N)=(r−σ²/2)dt+σ·dW; population viability diffusion

Explore Lande SDE: Itô drift=r−σ²/2; critical r*=σ²/2; N_e(100,10)=200/11; drift-var=q(1−q)/(2T) on the interactive knowledge graph →