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Table 4 The average shell length (L ± SE, mm) of Mya arenaria during 1–7 winter growth delays

From: Growth of Mya arenaria L. at the northern edge of the range: heterogeneity of soft-shell clam growth characteristics in the White Sea

Number of growth marks

L ± SE

Locationa

MT_1

LT_1

MT_2

LT_2

MT_3

MT_4

1

2.5 ± 0.1

2.6 ± 0.01

2.3 ± 0.1

2.3 ± 0.1

2.3 ± 0.1

2.2 ± 0.1

2

9.0 ± 0.2

10.4 ± 0.1

8.5 ± 0.1

8.6 ± 0.2

5.7 ± 0.1

7.4 ± 0.1

3

14.6 ± 0.3

16.6 ± 0.2

13.6 ± 0.2

13.0 ± 0.2

10.1 ± 0.1

14.1 ± 0.2

4

19.4 ± 0.5

21.2 ± 0.3

17.1 ± 0.3

17.2 ± 0.3

13.3 ± 0.2

20.3 ± 0.3

5

23.1 ± 0.6

23.9 ± 0.4

19.1 ± 0.4

19.8 ± 0.4

15.9 ± 0.2

28.3 ± 0.5

6

28.7 ± 1.9

28.1 ± 0.6

20.5 ± 0.4

23.6 ± 0.9

21.5 ± 0.6

30.2 ± 0.8

7

31.7 ± 2.1

30.5 ± 1.1

22.9 ± 0.4

26.7 ± 0.8

24.9 ± 0.7

33.8 ± 0.9

  1. SE standard error
  2. aFor location name see Table 2