Sentence examples for marginal fertility at from inspiring English sources

Male marginal fertility at age n is nonzero in general.

In a two-sex model at equilibrium age-specific reproduction is described by marginal fertilities (at age n, GnF for females, GnM for males).

We assume that male marginal fertility is positive at any age where realized male fertility is nonzero (this assumption holds for all standard models of mating pair formation [34]).

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Marginal fertilities GnF for females are <img src="http://journals.plos.org/plosone/article/asset?id=info?doi/10.1371/journal.pone.0000785.e003.PNG" class= inline-graphic"/> evaluated at the stable equilibrium (see Appendix S1); GnM for males is defined analogously.

Note that marginal fertilities are not equal to the fertilities in any one-sex model, are functions of the population's age-sex composition and mating rules, and that male and female marginal fertilities are usually very different (see Appendix S1).

His consultant tackled the question of fertility at the outset.

He teaches health economics and fertility at IIPS, Mumbai.

The weight function b measures the fertility at age a.

(The reduction in fertility at 50 ppm VDC was unproven).

By virtue of its remarkable tolerance to abiotic stresses, cassava is grown in marginal, low fertility acidic soils showing increased nutrient use efficiency [ 7].