Table 5 Environmental variables used and model selection for explaining species similarity

From: Large-scale ocean connectivity and planktonic body size

Main biological groups

Environmental variables

BIOENV variable selection

Prokaryotes

T, S, O2, Conduct, Fluo, PARi, SPARi, Turb, Beam-att-1m, O2volt, Zmax

O2, Turb, Beam-att-1m, Zmax

Microbial eukaryotes ALL

Turb, Zmax, O2

Coccolithophores 0–160 m

T, S, O2, Chl-a, Conduct, O2volt, Fluo, PARi, SPARi, Turb, Beam-att-1 m

SPARi

Dinoflagellates 0–160 m

SPARi

Diatoms 0–160 m

O2volt

Mesozooplankton 0–200 m

Not available

Not available

Gelatinous zooplankton

SST (remotely sensed), SST, S, Chl-a,W, Z

S

Macrozooplankton

T, S, O2, Chl-a, Conduct, O2volt, Fluo, PARi, SPARi, Turb, Beam-att-1 m

Turb, S

Myctophids

T, S, O2, T400, T200, S400, S200, O2min, SFluo, Fluomax

T 400

  1. Environmental variables and best BIOENV model selection for each of the different plankton groups.
  2. SST sea surface temperature (°C), S salinity, O 2 oxygen (ml/l), O 2 volt oxygen (volts), O2min oxygen minimum concentration (ml/l), Conduct conductivity (S/m), Fluo fluorescence (volts), Fluo max maximum fluorescense (volts), SFluo surface fluorescense (volts), Turb turbidity (FTU), PARi photosynthetic active radiation irradiance (µE/(cm2sg)), SPARi surface photosynthetic active radiation irradiance (µE/(cm2sg)), Beam-att-1m beam attenuation coefficient at 1 m depth (m−1), Z max maximum depth of sampling (m), Chl-a chlorophyll-a (µg/l), W wind (m/s), Z depth of station (m), T400 temperature at 400 m (°C), T200 temperature at 200m (°C), S400 salinity at 400 m, S200 salinity at 200 m