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Plankton's dependency on physical parameters

Type of sample: 2.5µm quantitative. 10ml settling cell.


Date range from to

Compare physical parameter:
River Wyre height at St Michaels (range 0.3-5m)
Sunlight hours PCM at Bradford (range 25-250 hrs)
Tide height at Fleetwood (range 0.5-10.5m)
Salinity (‰) - note very limited data set
Temperature (range 6-20°C)
Wave Power (range 0-50kW/m)
The environmental data presented here has been highly processed from its sources, you should check the notes in the page footer.

With count data for:

Aggregate

Polymer fibre (undet) (32) Cellulose fibres are excluded from counts due to contamination issues.
Total phytoplankton (46)
Total zooplankton (46)

Diatoms

Bacillariaceae

Bacillaria paxillifer (8)
Meuniera membranacea (cells) (2)
Pseudo-nitzchia seriata complex (16)

Chaetoceraceae

Bacteriastrum hyalinum (2)
Chaetoceros decipiens (1)
Chaetocerus debilis (18)
Chaetocerus didymus (9)
Chaetocerus socialis (12)
Chaetocerus (undet) (30)

Coscinodiscaceae

Coscinodiscus asteromphalus (2)
Coscinodiscus concinnus (22)
Coscinodiscus granii (5)
Coscinodiscus radiatus (31)
Coscinodiscus wailesii (22)
Coscinodiscus (undet) (33)

Cymatosiraceae

Brockmanniella brockmannii (chains) (1)
Plagiogrammopsis vanheurckii (chains) (26) Littoral/beach species, chain count

Fragilariaceae

Asterionellopsis glacialis (chains) (41)
Astroplanus karianus (5)

Heliopeltaceae

Actinoptychus senarius (42)

Hemiaulaceae

Cerataulina pelagica (5)
Eucampia zodiacus (chains/rings) (19) Typically approx 8 cells to each chain (variable)

Hyalodiscaceae

Podosira stelligera (18)

Lauderiaceae

Lauderia annulata (13)

Leptocylindraceae

Leptocylindrus danicus (chains) (4)
Leptocylindrus minimus Chains (5)

Lithodesmiaceae

Bellerochea malleus (chains) (1) Originally mis-identified as Lithodesmium undulatum (52), data prior to 4/7/23 is not reliable for these species.
Ditylum brightwellii (36)
Lithodesmium undulatum (chains) (1) Bellerochea malleus (53) originally mis-identified as Lithodesmium undulatum, data prior to 4/7/23 is not reliable for these species.

Melosiraceae

Melosira moniliformis (1)

Naviculaceae

Pleurosigma (undet) (14)
Rhamphoneis amphiceros (1)

Paraliaceae

Paralia sulcata (18)

Rhizosoleniaciae

Guinardia delicatula (23)
Guinardia flaccida (28)
Guinardia striata (10)
Neocalyptrella robusta (4)
Proboscia alata (7)
Proboscia truncata (8)
Rhizosolenia hebetata (20)
Rhizosolenia imbricata (39) Prior to 27th September 2023 includes R. Styliformis.
Rhizosolenia setigera (19)
Rhizosolenia styliformis (7) Post 27th September 2023. Previously counted as R.imbricata
Rhizosolenia (undet) (14)

Skeletonemaceae

Skeletonema (undet) (2)

Stephanopyxidaceae

Stephanopyxis turris (14)

Thalassiosiraceae

Thalassiosira eccentrica (9)
Thalassiosira hendeyi (2)
Thalassiosira nordenskioeldii (6)
Thalassiosira rotula (34)
Thalassiosira (undet) (42)

Triceratiaceae

Odontella aurita (2)
Odontella regia (45) Originally mis-identified as mobiliensis, there is no evidence of O. mobiliensis in the Wyre.
Odontella rhombus (3)
Odontella sinensis (29)

Dinoflagellates

Ceratiaceae

Ceratium furca (10)
Ceratium fusus (12)
Ceratium horridum (1)
Ceratium inflatum (1)
Ceratium lineatum (6)
Ceratium tripos (18)

Dinophysiaceae

Dinophysis (undet) (2)

Gonyaulacaceae

Lingulodinium machaerophorum (4) Dinocyst form of Lingulodinium polyedrum.

Gymnodiniaceae

Gymnodinium (undet) (6)

Noctilucaceae

Noctiluca scintillans (14)

Prorocentraceae

Prorocentrum micans (1)

Protoperidiniaceae

Protoperidinium divergens (4)
Protoperidinium (undet) (20)

Other phytoplankton

Phaeocystaceae

Phaeocystis globosa (8)

Volvocaceae

Volvox (undet) (1)

Zooplankton

Bryozoa

Cyphonautes (undet) (2)
Pluteus (undet) (1)

Ciliophora

Tintinnidium (undet) (42)

Crustacea

Barnacle cyprid (1)
Barnacle nauplius (16)
Calanoid copepod (4)
Copepod nauplius (11)
Cyclopoid copepod (8) Typically Oithona sp.
Cyclopoid nauplius (19)
Harpacticoid copepod (10)
Harpacticoid nauplius (25)

Echinodermata

Juvenile echinoderm (2)

Foraminifera

Biseriate foram (22)
Chain (4)
Spiral foram (11)

Mollusca

Bivalve (24)
Snail (9)

Nemertea

Nemertean Pilidium (1)

Polychaetae

Juvenile polychaete (15)

Radiolaria

Acanthometra (undet) (2)

Rotifera

Rotifer (13) Most are Synchaeta sp. but we also get Trichocerca sp. in Wyre samples.

Tunicata

Oikopleura (undet) (3)