Table 3 Stable-carbon (δ¹³C) and stable-nitrogen (δ¹⁵N) isotope values (‰) in muscle tissue of harbour porpoises from Scandinavian waters.

southern

13

-17.8 ± 0.7

-18.4 – -16.2

F_{3, 28}:

p < 0.001

a

southwest

9

-18.0 ± 0.3

-18.3 – -17.3

b

Nordland

7

-19.0 ± 0.4

-19.5 – -18.2

c

Finnmark

3

-19.2 ± 0.1

-19.3 – -19.1

c

southern

13

15.6 ± 1.5

12.9 – 18.1

F_{3, 28}:

p < 0.001

a

southwest

9

13.4 ± 0.6

12.6 – 14.4

b

Nordland

7

12.6 ± 0.4

12.1 – 13.1

c

Finnmark

3

13.2 ± 0.3

12.9 – 13.4

bc