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Equation 34 · Part 2 · Evolutionary Biology and Ecology in Practice: An Advanced Technical Guide

subscript

NeN_e
subscript

What this part means

The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.

Its job in the formula

A subscript distinguishes a version, component, step, or member of a quantity. It does not automatically mean multiplication.

The passage around this formula

The genetic estimate and the demographic estimate from workflow one are not redundant. A mark-recapture study can show a stable or growing census count while an LD-based NeN_e estimate reveals a much smaller effective size — a mismatch that is itself diagnostic, typically pointing to high variance in reproductive success (a few individuals contributing disproportionately to the next generation) or a historical bottleneck whose genetic signature outlasts the demographic recovery.

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Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

Open the illustrated subscripts: which member of a family? guide →

Sources cited in the article section

These citations provide research context; check each source for the exact claim it supports.