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2.1 Deti: Stabilni populace

Preview image for the video "2.1 Deti: Stabilni populace".

Kratske a srozumitelne vysvetleni, proc je celkova plodnost kolem 2.1 povazovana za uroven nahrady pro stabilni populaci. Video pouziva jednoduche priklady a humor, aby ukazalo, jak plodnost pod urovni nahrady vede v case ke snizovani pocetu obyvatel a proc demografove pouzivaji hranici 2.1 k interpretaci dlouhodobe stabilyty populace.

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