Table 1.
Summary of sampling times for food vacuole marker assays in stations 1 and 2 (December 2015 and May 2016) and station 3 (June 2016), including water temperature and surface water irradiance values.
| Pre-twilight | Morning | Mid-day | Afternoon | After dusk | ||||
|---|---|---|---|---|---|---|---|---|
| December | ||||||||
| Sampling time | 07:00 | 10:00∗ | n/a | 14:00∗ | 16:00∗ | |||
| Weather conditions | Overcast and wind-still | Overcast and wind-still | ||||||
| Water temperature (°C) st. 1/st. 2 |
7.6/7.6 | 7.0/7.0 | 7.0/7.0 | 7.2/7.2 | ||||
| Irradiance (μE m-2 s-1) (determined at st. 1) |
0 | 35 | 25 | 0 | ||||
| May | ||||||||
| Sampling time | 03:00∗ | 10:00 | 13:00∗ | 17:00∗ | 23:00 | |||
| Weather conditions | Partially cloudy | Partially cloudy | Overcast rain | Partially cloudy | Partially cloudy | |||
| Water temperature (°C) st. 1/st. 2 |
14.6/16.8 | 15.6/17.0 | 17.0/17.4 | 16/18.0 | 15.5/17.1 | |||
| Irradiance (μE m-2 s-1) st. 1/st. 2 |
0/0 | 850/650 | 250/190 | 540/470 | 0/0 | |||
| June | ||||||||
| Sampling time | n/a | 07:45 | 09:15 | 10:45 | 12:15 | 13:45 | 15:00 | n/a |
| Weather conditions | Sunny and wind-still | |||||||
| Water temperature (°C) st. 3 |
16.7 | 17 | 17 | 17.6 | 18.2 | 18.4 | ||
| Irradiance (μE m-2 s-1) st. 3 |
630 | 900 | 1220 | 1200 | 1400 | 900 | ||
Time points are indicated (∗) were FLB experiments were carried out in concert at station 1 in December 2015 and May 2016. Shading indicates night-time sampling points.
n/a: not applicable, no measurement was taken.