Ecology, Environment and Conservation Paper

Vol.12, Issue 4, 2006; Page No.(637-642)

A MATRIX POPULATION MODEL FOR PORTULACA OLERACEA LINN.

Asha Gupta

Abstract

Age structure and dynamics of a herbaceous species Portulaca oleracea L. was studied in permanent plot with natural populations over a period of two years. Future population structure were projected by Leslie matrix model based on 4 stage classes viz., seedling, juvenile, young and mature. Seedling emergence was regressed on soil parameters. Based on the survival matrices critical stage in the life of species was estimated.

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