Q. Devresse et al.: Eddy-enhanced primary production sustains heterotrophic microbial activities 
FZ 
Cyclonic * 
y » Coastal 
eddy , 
N 913555 5 ES 
ANN NNN N EDZ- 
a9 9090 DS set0N 
Juen 0Ccealı 
GG, 
= 
26 
50 
=+ 
em 
24 ” 
22 
20 
18 
16 > 
„2 © 
100 
150 - 
5245 
200 
bb 
3 
0) 
100 
150 + 
200 
(c) 
Ü 
50 +} 
100 + 
_ 150 - 
E A 
_ 200 
L 
5 (d) 
5 
50 
100 + 
150 - 
200 
E 
je) 
3 
50 
100 
150 
200 
Dj 
1 
af 
100 
150 
200 
JA 
ar? 
Da 
20° 
rn 
4 
21°W 20°W 
Longitude 
19°W 18°W 
Fa 
37 
36.8 
36.6 0 
364 © 
36.2 = 
36 S 
35.8 
15.6 
200 , 
& 
150, 
100 
€) 
50 
.. 
r 
A 
23 © 
dem 
20 m 
= 
15 3 
S 
10 = 
= 
5 
20 
16 
I 
12 = 
3 
08 8 
0a N 
1 
10 
© 
C 
5 
& 
nr 
Figure 2. Epipelagic distribution (0-200 m) of temperature (a), salinity (b), oxygen (c), total inorganic nitrogen (DIN) (d), phosphate 
(PO4) (e), and silicate (Si(OH)4) (f). Dashed red lines show the western and eastern boundaries of the cyclonic eddy periphery. FZ refers to 
frontal zone. 
https:/doi.org/10.5194/hg-19-5 199-2022 
Biosgeosciences. 19. 5199-5219. 2022