Table 1 Taxonomic list of phytoplankton (>5 μm) and their abundance at three different stations
From: Biogeochemistry and ecology of Pyrosoma spinosum from the Central Arabian Sea
Station 17 | Station 20 | Station 23 | |||
|---|---|---|---|---|---|
Phytoplankton composition | Cell L −1 (<100 mt) | Phytoplankton composition | Cell L −1 (<100 mt) | Phytoplankton composition | Cell L −1 (<100 mt) |
Diatom (centric) | |||||
Bacteriastrum delicatulum | 25 | Chaetoceros peruvianus | 24 | Chaetoceros spp. | 111 |
Chaetoceros coarctatus associated with vorticella | 42 | Corethron hystrix | 45 | Coscinodiscus spp. | 140 |
Chaetoceros messanensis | 85 | Fragilaria spp. | 152 | Fragilaria spp. | 75 |
Chaetoceros peruvianus | 25 | Rhizosolenia robusta | 25 | Planktoniella sol | 19 |
Chaetoceros spp. | 113 | Thalassiosira spp. | 89 | Pleurosigma spp. | 19 |
Coscinodiscus radiatus | 41 | Rhizosolenia alata | 408 | ||
Coscinodiscus eccentricus | 2 | Rhizosolenia hebetata | 152 | ||
Coscinodiscus spp. | 21 | Rhizosolenia imbricata | 157 | ||
Guinardia flaccida | 42 | Rhizosolenia robusta | 60 | ||
Guinardia striata | 42 | Rhizosolenia shrubsolei | 105 | ||
Leptocylindrus minimus | 190 | Rhizosolenia spp. | 11 | ||
Rhizosolenia alata | 404 | Rhizosolenia styliformis | 494 | ||
Rhizosolenia in association with vorticella | 98 | Thalassiosira spp. | 318 | ||
Rhizosolenia hebetata | 29 | ||||
Rhizosolenia imbricata | 199 | ||||
Rhizosolenia robusta | 31 | ||||
Rhizosolenia setigera | 21 | ||||
Rhizosolenia shrubsolei | 19 | ||||
Rhizosolenia stolterfothii | 21 | ||||
Rhizosolenia styliformis | 521 | ||||
Rhizosolenia spp. | 21 | ||||
Thalassiosira spp. | 337 | ||||
Diatom (pennate) | |||||
Cocconeis spp. | 25 | Navicula spp. | 43 | Coconeis spp. | 38 |
Navicula directa | 21 | Nitzschia closterium | 136 | Navicula transitrans f. delicatula | 22 |
Navicula spp. | 155 | Nitzschia spp. | 66 | Navicula spp. | 49 |
Navicula transitrans f. delicatula | 10 | Pseudonitzschia spp. | 165 | Nitzschia closterium | 98 |
Nitzschia closterium | 21 | Thalassiothrix spp. | 443 | Nitzschia spp. | 198 |
Nitzschia spp. | 19 | Pseudonitzschia spp. | 151 | ||
Pleurosigma directum | 10 | Thalassiothrix longissima | 241 | ||
Pleurosigma spp. | 144 | ||||
Pseudonitszchia spp. | 19 | ||||
Thalassiothrix spp. | 85 | ||||
Dinoflagellates | |||||
Ceratium fusus | 21 | Amphidinium spp. | 21 | Amphidinium spp. | 19 |
Ceratium horridum | 42 | Ceratium fusus | 21 | Amphisolenia bidentata | 46 |
Ceratium tripos | 34 | Gymnodium spp. | 24 | Ceratium tripos | 22 |
Goniodoma spp. | 21 | Gyrodinium spp. | 21 | Dinoflagellate cysts | 19 |
Gyrodinium spp. | 46 | Phalacroma rotundatum | 21 | Gonyaulax spp. | 22 |
Protoperidinium depressum | 42 | Prorocentrum dentatum | 21 | Gymnodium spp. | 46 |
Protoperidinium grande | 21 | Prorocentrum spp. | 21 | Gyrodinium spp. | 25 |
Protoperidinium oceanicum | 10 | Podolampus spp. | 11 | ||
Protoperidinium steinii | 10 | Protoperidinium spp. | 46 | ||
Pyrophacus horologium | 42 | ||||
Silicoflagellate | |||||
Dictyocha fibula | 19 | Dictyocha spp. | 27 | ||
Chrysophyceae | |||||
Phaeocystis spp. | 1,691 | Phaeocystis spp. | 6,986,667 | Phaeocystis spp. | 12,285,714 |
Total cells L−1 | 3,103 | 1,367 | 3,166 | ||