Summer

Winter

Size fraction (µm)

Mean δ¹³C (±) SD ‰

Mean δ¹⁵N (±) SD ‰

Mean δ¹³C (±) SD ‰

Mean δ¹⁵N (±) SD ‰

63 - 125

−18.16 ± 0.98

6.94 ± 0.93

−20.40 ± 2.32

8.56 ± 0.99

125 - 250

−19.14 ± 0.93

8.06 ± 1.05

−21.97 ± 1.17

10.67 ± 0.52

250 - 500 µm

−19.45 ± 0.98

8.81 ± 1.35

−22.13 ± 1.66

10.59 ± 0.60

500 - 2000 µm

−19.16 ± 1.15

8.39 ± 1.79

−21.49 ± 1.74

11.35 ± 1.24