Skip to main content

Table 2 Isolation by distance within the North Atlantic cluster (NAt). Three different scales defined from the latitudinal subdivision of the global range in two (Medium scale) and in three (Small scale) parts were analysed. See Figure 1 for the delimitations of the NAt subdivisions.

From: Rise of oceanographic barriers in continuous populations of a cetacean: the genetic structure of harbour porpoises in Old World waters

Scale

n

Mean (max) marine distance (km)

Slope ± SE

Intercept ± SE

p-Value

2 (1/slope)

Global:

654

1523.8 (4393.2)

0.0037 ± 0.0015

0.0011 ± 0.0148

0.002

270.3

Medium:

      

NAt-2A

289

824.4 (2639.9)

0.0080 ± 0.0025

-0.0566 ± 0.0293

0.001

125.0

NAt-2B

365

1171.1 (2901.1)

0.0028 ± 0.0018

0.0153 ± 0.0154

0.024

357.1

Small:

      

NAt-3A

210

616.8 (1614.0)

0.0100 ± 0.0031

-0.0867 ± 0.0347

< 0.001

100.0

NAt-3B

141

713.3 (2029.1)

0.0025 ± 0.0025

0.0244 ± 0.0292

0.204

400.0

NAt-3C

303

1100.0 (2901.1)

0.0030 ± 0.0020

0.0167 ± 0.0174

0.043

333.3