Extinction and Quasi-stationarity in the
✍
INGEMAR NÅSELL
📂
Article
📅
2001
🏛
Elsevier Science
🌐
English
⚖ 310 KB
We formulate and analyse a stochastic version of the Verhulst deterministic model for density-dependent growth of a single population. Three parameter regions with qualitatively di!erent behaviours are identi"ed. Explicit approximations of the quasi-stationary distribution and of the expected time t