Table 2 Zooplankton species list, percentage occurrence of each species and Simpson's diversity index for each station

Cnidaria

 Abylopsis spp.

30

50

60

 Aglama sp.

20

40

80

60

 Aglaura spp.

10

40

90

90

 Clytia sp.

20

 Cordagalma sp.

20

10

 Ephysra aurata

10

 Eudoxid sp.

80

80

100

 Euphysora gracilis

10

10

 Eutima sp.

10

10

 Liriope tetraphylla

100

40

 Loadicea pulchra

70

20

 Muggiea sp.

50

70

80

 Obelia sp.

60

30

30

10

 Phialopsis diegensis

10

10

 Phialucium sp.

10

 Solamaris sp.

90

 Solmunella sp.

10

10

 Steenstrupia sp.

10

40

30

Ctenophora

 Beroe sp.

10

40

Cladocera

 Penilia avirostris

100

40

30

20

 Evadne tergestina

40

30

70

70

Chaetognatha

 Eukhronia proboscidea

10

 Eukhronia bathypelagica

10

 Khronitta subtilis

30

20

 Sagitta bipunctata

10

 Sagitta decipens

20

10

 Sagitta enflata

100

100

100

100

 Sagitta hispida

80

70

70

70

 Sagitta megalophthalma

70

10

10

 Sagitta serratodentata

10

10

 Sagitta tenuis

20

10

 Pterosagitta draco

10

20

30

Amphipoda

 Amphipod

30

20

20

 Hyperia sp.

40

10

Calanoida

 Acartia lilljeborji

10

 Acartia spinata

50

50

60

30

 Acartia tonsa

80

50

10

 Acrocalanus sp.

10

70

70

90

 Aetidus sp.

10

 Calocalanus spp.

10

60

90

 Calocalanus pavo

30

80

100

70

 Calocalanus pavoninus

40

60

40

 Calanopia americana

10

30

10

10

 Candacia bipinnata

10

20

 Candacia bispinosa

10

 Candacia curta

20

10

 Candacia longimana

20

 Candacia pachydactyla

10

20

50

60

 Candacia paenelongimana

10

 Candacia varicans

10

10

 Centropages bradyi

10

 Centropages velificatus

100

100

40

20

 Centropages violaceous

10

20

40

 Clausocalanus sp.

90

80

10

 Euaugaptilus nodifrons

10

 Eucalanus sp.

10

10

20

 Eucalanus micronatus

60

 Eucalanus subtenuis

10

 Eucheata marina

60

40

100

 Eutima sp.

10

10

 Labidocera aestiva

10

 Labidocera nerri

10

10

 Mecynocera sp.

10

50

 Neocalanus robustior

20

 Paracandacia bispinosa

10

 Paracalanus sp.

80

100

90

70

 Paracalanus aculeatus

20

20

30

 Paracalanus parvus

100

50

30

60

 Paraeucalanus sp.

20

 Pontella mimocerami

10

10

 Pontellina sp.

10

30

 Rhincalanus cornutus

10

 Scolecithrix sp.

10

20

60

70

 Subeucalanus mucronatus

10

30

 Subeucalanus pileatus

30

 Subeucalanus subcrassus

30

30

10

10

 Temora longicornis

70

20

 Temora stylifera

20

60

50

20

 Temora turbinata

10

50

10

 Undinula vulgaris

80

90

100

100

Cyclopoida

 Copilia sp.

40

50

60

 Corycaeus carinata

10

10

 Coryceaus catus

40

40

50

40

 Corycaeus clause

40

30

 Corycaeus latus

10

10

20

 Corycaeus lautus

30

60

70

 Corycaeus limbatus

20

10

 Corycaeus speciosus

100

90

100

90

 Corycaeus typicus

10

 Dioithona occulata

30

10

20

 Farranula carinata

50

100

100

 Farranula gracilis

70

70

70

60

 Farranula rostrata

40

100

100

50

 Lubbocika sp.

10

10

20

10

 Oithona hebes

80

 Oithona nana

90

100

70

40

 Oithona similis

10

10

 Oithona plumifera

60

90

60

50

 Oncea meditteranea

10

10

50

30

 Oncea media

10

10

 Sagitella sp.

10

 Saphirella tropica

10

50

10

 Sapphirina spp.

10

10

10

50

Harpacticoida

 Clytemnestra sp.

10

10

30

20

 Euterpina acutifrons

80

50

40

30

 Macrosetella gracilis

20

40

60

 Microsetella norvegica

30

70

90

100

 Miracia efferata

40

20

20

30

 Oculosetella sp.

20

Monstrilloida

 Monstrilla sp.

10

20

Decapoda

 Decapod (unidentified)

60

80

40

20

 Lucifer faxoni

100

60

30

20

Larvacea

 Oikopleura dioca

100

100

100

100

 Fritillaria sp.

40

100

80

90

Pteropoda

 Creseis acicula

70

100

80

30

 Diacria sp.

10

20

Thaliacea

 Doliolum sp.

10

20

20

30

 Thalia sp.

20

20

60

70

Larvae

 Actinula

20

10

 Auricularia

20

80

60

70

 Bipinnaria larva of starfish

10

60

70

90

 Copepodites

90

100

100

100

 Copepod nauplii

100

100

90

100

 Cirripede

10

10

30

 Euphausid

10

20

60

90

 Echinocardium cordatum

10

20

 Echinopluteus larvae

60

60

80

60

 Fish eggs

20

70

90

100

 Fish larvae

20

70

60

50

 Gastropod larva

70

100

100

100

 Heteropod larvae

50

10

40

 Lanice larvae

40

20

 Ophiopluteus larvae

10

60

80

70

 Pontellid nauplius

30

60

10

 Phylossoma larvae

10

30

10

 Polychaete spp.

50

90

90

80

 Porcellanid larvae

60

40

10

40

 Sagitta juvenile

10

40

30

 Sergestid

10

 Spionid larvae

90

40

30

 Stomatopod larvae

20

10

10

 Tomopteris sp.

10

10

20

20

 Zoea

50

80

90

90

Number of species (richness)

81

106

114

94

Shannon-Weiner index

2.63

2.68

3.66

2.61