Table 2. The average and range (in parenthesis) of chlorophyll a (Chl a) and the primary production (PP) distribution for each size fraction as a percentage of the total values obtained from Tel Shikmona from between April 2013 and April 2015.
Sampling period | Chl a (% of the total) | PP (% of the total) | ||
---|---|---|---|---|
Picophytoplankton (0.7–3 μm) | Nano-microphytoplankton (> 3 μm) | Picophytoplankton (0.7–3 μm) | Nano-microphytoplankton (> 3 μm) | |
2013 | ||||
Apr. | NA | NA | NA | NA |
May | 44 | 56 | NA | NA |
Jun. | 50± 16 (38–62) | 50± 16 (38–62) | 68 | 32 |
Jul. | 82± 6 (77–91) | 18± 6 (9–23) | 95± 4 (92–97) | 5± 4 (3–8) |
Aug. | 79± 9 (73–90) | 21± 9 (10–27) | 92 | 8 |
Sept. | 80± 7 (73–88) | 20± 7 (12–27) | 76± 8 (67–84) | 24± 8 (16–33) |
Oct. | 22± 12 (28–29) | 78 ± 12 (71–72) | 34± 15 (17–47) | 66± 15 (53–83) |
Nov. | 54± 12 (42–67) | 46± 12 (33–58) | 58± 11 (51–70) | 42± 11 (30–49) |
Dec. | 52± 12 (34–63) | 48± 12 (37–66) | 33± 15 (13–37) | 67± 15 (63–87) |
2014 | ||||
Jan. | 29± 6 (23–36) | 71± 6 (64–77) | 19± 4 (14–21) | 81± 4 (79–86) |
Feb. | 31± 4 (26–35) | 69± 4 (65–74) | 29± 3 (27–32) | 71± 3 (68–73) |
Mar. | 29 | 71 | 39 | 61 |
Apr. | 33± 3 (31–36) | 67± 3 (64–69) | 57± 4 (58–64) | 43± 4 (36–42) |
May | 80± 6 (71–85) | 20± 6 (15–29) | 70± 28 (78–89) | 30± 28 (11–22) |
Jun. | 75 | 25 | 75 | 25 |
Jul. | 71 | 29 | NA | NA |
Aug. | 83 | 17 | 87 | 13 |
Sept. | 57 | 43 | 44 | 56 |
Oct. | 50± 6 (46–55) | 50± 6 (45–54) | 62± 7 (57–67) | 38± 7 (33–43) |
Nov. | 59± 6 (55–63) | 59± 6 (37–45) | 67± 4 (65–70) | 33± 4 (30–35) |
Dec. | NA | NA | NA | NA |
2015 | ||||
Jan. | 45± 3 (41–47) | 55± 3 (53–59) | 68± 12 (33–42) | 32± 12 (58–77) |
Feb. | 38± 13 (23–57) | 62± 13 (43–77) | 50± 19 (29–75) | 50± 19 (25–71) |
Mar. | 38 | 62 | 36 | 64 |
Apr. | 39± 2 (37–41) | 61± 2 (59–63) | 39 | 61 |