Skip to main content

Table 2 Sediment composition (in % of total) and numbers of collected specimens at sampled stations at Loreley Bank (German Bight, North Sea)

From: On the occurrence of the thumbnail crab Thia scutellata in the inner German Bight

Fraction Phi value 041130-4RD 041130-5VV 060727-4RD 060727-5VV 060727-6VV 060727-8VV 060727-10VV 080806-1VV 080806-4VV 080806-5VV 080806-6VV 080806-7VV 080806-8VV 080806-9VV 080806-10VV
>8.000 mm > −3 0.00 3.65 0.00 3.30 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
>4.000 mm > −2 0.00 7.13 0.00 12.92 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
>2.000 mm > −1 0.00 9.56 0.04 16.92 0.14 0.32 0.90 0.11 0.00 0.52 0.69 0.00 0.19 0.00 0.30
>1.000 mm >0 0.16 13.89 0.28 15.81 2.54 1.56 1.70 0.70 0.20 1.06 6.95 0.16 1.46 0.04 2.06
>0.500 mm >1 2.28 25.89 6.12 31.50 40.96 40.69 31.58 8.20 1.26 4.62 36.51 7.79 37.71 0.33 28.30
>0.250 mm >2 66.66 32.95 47.67 16.73 49.76 49.31 60.02 71.19 31.16 56.47 47.63 77.90 48.84 40.60 63.59
>0.125 mm >3 30.06 6.68 45.41 2.55 6.37 8.07 4.78 19.62 66.23 36.47 7.82 13.55 11.47 58.10 5.55
<0.125 mm >4 0.49 0.05 0.34 0.14 0.02 0.05 0.15 0.07 0.70 0.33 0.05 0.02 0.07 0.68 0.09
Sum Phi ≤2 69.11 93.08 54.11 97.19 93.40 91.87 94.20 80.19 32.63 62.67 91.78 85.85 88.20 40.96 94.25
Sum Phi >2 30.55 6.73 45.75 2.69 6.39 8.12 4.93 19.68 66.93 36.79 7.87 13.57 11.53 58.78 5.64
Specimens 2 12 1 1 6 2 3 7 0 4 9 1 2 2 6