Pm, Os
Cf, Pn
Cf, Pn
Cham,
Ctyp, Tl
Ctyp
Cfin:  Calanus finmarchicus
Pcal:  Pseudocalansu spp.
Pm: Pseudocalanus moultoni
Pn:  Pseudocalanus newmani
Os:  Oithona spp.
Cham:  Centropages hamatus
Ctyp:   Centropages typicus
Tl:    Temora longicornis
Yellow:  abundant in summer/fall
White: abundant in winter/spring
Food-limit
Resting egg
Cfin
Pcal
Os
Cham
Ctyp
Tl
x
x
x
x
x
x
Egg carrier
x
x
(Based on Davis 1984, 1987; Durbin&Casas, 2006)

- Peak in different season
- Different external sources
- Difference in life history traits
Dominant copepods
Ctyp