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Life History Table Flashcards

(6 cards)

1
Q

What does x mean?

A

Age of female organisms in cohort.

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2
Q

What does nx mean?

A

It is the number of female organisms at any age.

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3
Q

What does sx mean?

A

nx+1/nx, it is the survival rate from age to age.

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4
Q

What does lx mean?

A

nx/no, fraction of cohort still alive.

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5
Q

What does mx mean?

A

of female offspring.

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6
Q

What is R0?

A

Net productive rate, if it is less than 1 significantly, population declines, if greater than one, population increases, if 0.98-1.02. stays same. It is the sum of the products of lx and mx for each age.

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