Table 2

Effects of life-history variables on mtDNA substitution rate in passerines (n = 88) vs. other bird species (n = 108) without (A) and with phylogenetic control (B).

Passerines

Non-passerines

Model

slope

R2

p1

p2

slope

R2

p1

p2


(A) Without Phylogenetic control

Body mass

0.22

0.11

<0.01

-0.17

0.12

<0.01

Maximum longevity

0.48

0.15

<0.01

-0.41

0.09

<0.01

Body mass + Maximum longevity

0.17

0.14

0.02

0.13

0.01

0.13


(B) With Phylogenetic control

Body mass

0.22

0.12

<0.01

-0.11

0.05

0.02

Maximum longevity

0.4

0.11

<0.01

-0.28

0.05

0.03

Body mass + Maximum longevity

0.16

0.04

0.05

0.06

0.17

0.22


Nabholz et al. BMC Evolutionary Biology 2009 9:54   doi:10.1186/1471-2148-9-54

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