Table 2.
Summary of Mann-Whitney U test of POC flux at 500 m, 1000 m, and 2000 m depths, PP, and Chl-a.
| Month | POC flux at 500 m | POC flux at 1000 m | POC flux at 2000 m | PP | Chl-a |
|---|---|---|---|---|---|
| 1 |
4425 (0.073) |
4746.5*** (< 0.01) |
1054*** (< 0.01) |
4031 (0.589) |
3410 (0.209) |
| 2 |
4213*** (< 0.01) |
4381*** (< 0.01) |
2052*** (< 0.01) |
2814 (0.179) |
2814 (0.179) |
| 3 |
5002*** (< 0.01) |
4506* (0.036) |
4200.5 (0.181) |
3844 (1) |
3699 (0.675) |
| 4 |
5370*** (< 0.01) |
4456 (0.232) |
5711*** (< 0.01) |
6268*** (< 0.01) |
4576 (0.131) |
| 5 |
6207*** (< 0.01) |
4133.5 (0.586) |
6727*** (< 0.01) |
7347*** (< 0.01) |
6045*** (< 0.01) |
| 6 |
5925*** (< 0.01) |
4883*** (< 0.01) |
6714*** (< 0.01) |
6304*** (< 0.01) |
5884*** (< 0.01) |
| 7 |
5625.5* (0.012) |
6205.5*** (< 0.01) |
8480*** (< 0.01) |
8556*** (< 0.01) |
9610*** (< 0.01) |
| 8 |
3530.5*** (< 0.01) |
4660 (0.609) |
7789.5*** (< 0.01) |
8215*** (< 0.01) |
8556*** (< 0.01) |
| 9 |
4127 (0.503) |
4850 (0.077) |
3117.5*** (< 0.01) |
6660*** (< 0.01) |
5760*** (< 0.01) |
| 10 |
5177*** (< 0.01) |
5285.5*** (< 0.01) |
1922*** (< 0.01) |
2552*** (< 0.01) |
2594*** (< 0.01) |
| 11 |
5550*** (< 0.01) |
5438*** (< 0.01) |
2088*** (< 0.01) |
4232 (0.054) |
4008 (0.215) |
| 12 |
3844 (1) |
3900 (0.864) |
961*** (< 0.01) |
4866*** (< 0.01) |
4577* (0.033) |
| Total |
730,722*** (< 0.01) |
730,722*** (< 0.01) |
615,990* (0.036) |
749,086*** (< 0.01) |
770,138*** (< 0.01) |
Note: * indicates statistical significance at alpha 0.05 level; *** indicates statistical significance at alpha 0.01.