| Population density | ||||
| H.m. | H.g. | H.s. | H.sp. | K-W test※ |
Inside the Kuroshio | 2,202.6 ± 8,815.4 [26] | 8,581.9 ± 24,443.2 [26] | 16,396.4 ± 66,138.4 [26] | 75.3 ± 306.2 [26] | 6.442, 2, 0.040 |
Around the Kuroshio | 1,362.5 ± 2,704.9 [19] | 5,079.0 ± 9,501.2 [19] | 2,223.8 ± 5,839.9 [19] | 33.6 ± 146.6 [19] | 0.805, 2, 0.669 |
Mann-Whitney U-test z & p values | −0.770 & 0.441 | −0.074 & 0.941 | −2.557 & 0.011 | −0.698 & 0.485 |
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