Phytoplankton (Algae) and Zooplankton
Collected and Identified
in Little Fresh Pond and Black's Nook
by Squizzle Plekavich
PHOTOS of some Fresh Pond Algae taken by Squizzle
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2022
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Black's Nook: 8:15 a.m., 8/30/22
Water temperature - too muddy to take temperature, as a result of drought.
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Phytoplankton
Desmidium
Eudorina
Oscillatoria
Spinocosmarium
Euglena
Spirogyra
Closterium
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Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond: 7:55 a.m., 8/30/22.
Water temperature 75.1 degrees F.
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Phytoplankton
Staurastrum
Oedogonium (2/ml) & in floating mats
Euglena
Cosmarium
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Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 12:40 p.m., 7/28/22
Water temperature 81.1 degrees F.
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Phytoplankton
Desmidium
Euglena
Staurastrum
Cosmarium
Eudorina
Spinocosmarium
Closterium
unknown green filamentous algae
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Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond: 12:25 p.m., 7/28/22.
Water temperature 78.0 degrees F.
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Phytoplankton
Staurastrum ( 8/ml)
Oedogonium (some in surface mats)
Lyngbya
Micrasterias
Microspora
Cosmarium
Eudorina
Anabaena
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Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 11:20 a.m., 6/28/22.
Water temperature 72.7 degrees F.
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Phytoplankton
Euglena
Desmidium
Docidium
Spirogyra
Stichococcus ?
Trachelomonas
Bulbochaete
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Zooplankton
Cladocerans
Copepods
Rotifers (Brachionus)
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Little Fresh Pond: 11:00 a.m., 6/28/22.
Water temperature 72.6 degrees F.
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Phytoplankton
Euglena (2/ml)
Volvox
Micrasterias
Oedogonium (also in surface mats)
Staurastrum
Mougeotia
Fragilaria
Cosmarium
Cosmarium
Palmella
Coelastrum
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Zooplankton
Cladocerans
Copepods
Ostracods
Rotifers (Brachionus)
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Black's Nook: 1:05 p.m., 5/26/22 .
Water temperature 74.5 degrees F.
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Phytoplankton
Spirogyra
Desmidium
Docidium
Euglena
Ceratium
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Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond: 12:50 p.m., 5/26/22.
Water temperature 72.3 degrees F.
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Phytoplankton
Cosmarium (3/ml)
Volvox (2/ml)
Fragilaria (2/ml)
Closterium (1/ml)
Micrasterias (1/ml)
Oedogonium (1/ml) also in surface mats
Spinocosmarium
Microspora
Mougeotia
Bulbochaete
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Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 1:05 p.m., 4/27/22.
Water temperature 59.7 degrees F.
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Phytoplankton
Desmidium
Ceratium
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Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Brachionus)
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Little Fresh Pond: 12:45 p.m., 4/27/22.
Water temperature 58.4 degrees F.
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Phytoplankton
Oedogonium (in floating mats)
Volvox (3/ml)
Microspora (2/ml)
Spinocosmarium
Staurastrum
Fragilaria
Bulbochaete
Closterium
Tabellaria
Palmella
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Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 12:40 p.m., 3/31/22.
Water temperature 48.9 degrees F.
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Phytoplankton
Desmidium
Closterium
Cosmarium
Peridinium
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Zooplankton
Cladocerans (Bosmina)
Copepods (Cyclops)
Rotifers
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Little Fresh Pond: 12:20 p.m., 3/31/22.
12:20 p.m., 3/31/22.
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Phytoplankton
Cosmarium (<1/ml)
Fragilaria
Tabellaria
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Conochilus)
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Black's Nook: 2:40 p.m., 2/23/22.
Water temperature 47.5 F. ( under partial ice cover)
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Phytoplankton
Synura
Fragilaria
Eudorina
Dinobryon
Desmidium
Peridinium
Bulbochaete
Spirogyra
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Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Conochilus)
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Little Fresh Pond: 2:25 p.m., 2/23/22.
Water temperature 47.8 F. (under partial ice cover)
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Phytoplankton
Asterionella (<1/ml)
Closterium
Fragilaria
Eudorina
Tabellaria
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Zooplankton
Cladocerans
Copepods
Rotifers (Keratella)
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Black's Nook: 12:50 p.m., 1/2/2022.
Water temperature: 42.6 degrees F.
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Phytoplankton
Synura
Dinobryon
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Zooplankton
Cladocerans
Copepods
Rotifers (Kellicottia, Brachionus)
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Little Fresh Pond: 12:30 p.m., 1/2/22.
Water temperature: 42.6 degrees F.
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Phytoplankton
Staurastrum (<0/ml)
Tabellaria
Palmella
Golenkinia
Mougeotia
Gymbella
Fragilaria
Oedogonium
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Synchaeta, Conochilus, Notholca)
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