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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2020
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Black's Nook 3:50pm , 8/8/20.
Water temperature 86.9 degrees F.
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Phytoplankton
Euglena
Closterium
Staurastrum
Euglena
Spinocosmarium
Microspora
Sphaerozosma
Selanastrum
Spirogyra
Ulothrix
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Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)
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Little Fresh Pond 4:15pm , 8/8/20.
Water temperature 86.1 degrees F.
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Phytoplankton
Closterium (3/ml)
Palmella (2/ml
Scenedesmus (1/ml)
Spirogyra (1/ml)
Docidium
Fragilaria
Ceratium
Pediastrum
Oedogonium
Centritractus
Staurastrum
Peridinium
Bulbochaete
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Zooplankton
Cladocerans
Copepods
Ostracods
Rotifers (Brachionus, Keratella
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Black's Nook: 2:25 pm, 7/18/20
Water temperature 74.0 degrees F.
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Phytoplankton
Euglena
Ulothrix
Micrasterias
Oedogonium
Pinnularia
Spirogyra
Cosmarium
Spinocosmarium
Docidium
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Zooplankton
Cladocerans
Copepods
Rotifers (Keratella)
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Little Fresh Pond: 2:45 pm, 7/18/20.
Water temperature 85.4 degrees F.
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Phytoplankton
Closterium (1/ml)
Microspora (1/ml)
Centritractus (1/ml)
Pediastrum
Docidium
Oedogonium
Cosmarium
Spirogyra
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Zooplankton
Cladocerans
Copepods
Ostracods
Rotifers
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Black's Nook: 3:40 pm, 6/28/20.
Water temperature 76.7 degrees F.
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Phytoplankton
Mougeotia
unknown diatom
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Conochilus)
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Little Fresh Pond:4:00 pm , 6/28/20.
Water temperature 79.4 degrees F.
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Phytoplankton
Euglena (2/ml)
Cosmarium
Pediastrum
Microspora
Closterium
Docidium
Mougeotia
Schroderia
Spirogyra
Fragilaria
Peridinium
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Zooplankton
Copepods
Cladocerans (Bosmina)
Rotifers
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Black's Nook: 4:00pm, 5/24/20
Water temperature 73.1 degrees F.
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Phytoplankton
Volvox
Euglena
Spirogyra
Netrium
Anabaena
unknown green alga
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Zooplankton
Cladocerans (Bosmina)
Copepods (Cyclops)
Rotifers
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Little Fresh Pond: 3:45pm, 5/24/20.
Water temperature 72.2 degrees F
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Phytoplankton
Pediastrum (1/ml)
Asterionella (1/ml)
Fragilaria
Docidium
Spirogyra
Mougeotia
Closterium
Lyngbya
Navicula
Microspora
Bulbochaete
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Zooplankton
Cladocerans (Bosmina, Daphnia)
Cladocerans
Rotifers
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Black's Nook: 8:30 am, 4/21/20.
Water temperature 50.6 degrees F.
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Phytoplankton
Volvox
Spinocosmarium
Spirogyra
Dinobryon
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Zooplankton
Cladocerans (Bosmina, Daphnia)
Copepods
Rotifers (Keratella)
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Little Fresh Pond: 8:50 am , 4/21/20.
Water temperature 50.5 degrees F.
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Phytoplankton
Asterionella (7/ml)
Euglena (5/ml)
Closterium (3/ml)
Scenedesmus (2/ml)
Staurastrum (1/ml)
Fragilaria (1 short ribbon colony)
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers
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Black's Nook: 3/28/20, 9:10 am.
Water temperature 49.1 degrees F.
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Phytoplankton
Peridinium
Dinobryon
Synura
Uroglenopsis
Microspora
Bulbochaete
Spinocosmarium
Golenkinia
The Synura, Dinobryon, Uroglenopsis association returns.
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Zooplankton
Cladocerans
Copepods (Cyclops)
Rotifers (Keratella, Filinia)
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Little Fresh Pond
Little Fresh Pond: 3/28/20, 9:25 am.
Water temperature 49.0 degrees F.
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Phytoplankton
Asterionella (1/ml)
Microspora (1/ml)
Synura
Scenedesmus
Dinobryon
Closterium
Navicula
Pediastrum
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers
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Black's Nook
Black's Nook: 9:30 am, 2/23/20
Water temperature 37.1 degrees F (under 2 " of ice).
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Phytoplankton
Uroglenopsis
Synura
Dinobryon
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Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)
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Little Fresh Pond
Little Fresh Pond: 9:45 am, 2/23/20
Water temperature 38.6 degrees F ( under a thin sheet of ice ~ 1/8 " )
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Phytoplankton
Asterionella (7/ml)
Synura
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Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook
Black's Nook: 10:13am , 1/5/2020.
Water temperature 39.7 degrees (with partial ice cover)
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Phytoplankton
Dinobryon
Spinocosmarium
Oedogonium
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Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond
Little Fresh Pond: 10:25am , 1/5/2020.
Water temperature 38.8 degrees F.
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Phytoplankton
Asterionella (1/ml)
Euglena (1/ml)
Synura
Fragilaria
Oedogonium
Bulbochaete
unknown diatom
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Zooplankton
Cladocerans
Copepods
Rotifers
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