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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
2024
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Black's Nook: 10:55 a.m., 6/12/24.
Water temperature 72.8 degrees F.
Phytoplankton
Spirogyra
Fragilaria
Volvox
Zooplankton
Cladocerans (Bosmina, Daphnia
Copepods
Rotifers (Brachionus)
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Little Fresh Pond:10:40a.m., 6/12/24.
Water temperature 71.5 degrees F.
 
Phytoplankton
Fragilaria (1 colony/ml) 
Cosmarium
Volvox
Staurastrum
Eodogonium
floating mats of algae
Zooplankton
Cladocerans (Bosmina, Daphnia
Copepods
Rotifers (Brachionus)
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Black's Nook:  8:45 a.m., 5/25/24. 
Water temperature 70.5 degrees F.
Phytoplankton
Docidium 
Spirogyra
Spinocosmarium
Dinobryon
Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers
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Little Fresh Pond:  8:30 a.m., 5/25/24.
Water temperature 64.1 F. (with floating mats of algae)
Phytoplankton
Oedogonium (3 filaments/ml) 
Fragilaria  (2 colonies/ml)
Microspora
Tribonema ?
Cosmarium
Mougeotia
Closterium
Micrasterias
Coelastrum
Staurastrum
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook:  1:20 p.m., 4/14/24
Water temperature 57.5 degrees F.
Phytoplankton
Dinobryon 
Peridinium
Staurastrum
Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Filinia)
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Little Fresh Pond: 1:05 p.m., 4/14/24.
Water temperature 57.5 degrees F.
Phytoplankton
Fragilaria (<1/ml) 
Cosmarium
Closterium
Asterionella
Palmella
Oedogonium-in floating mats
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 12:25 p.m., 3/13/24.
12:25 p.m., 3/13/24.
Phytoplankton
Synura 
Trachelomonas
Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond: 12:15 p.m., 3/13/24.
Water temperature 47.5 F.
Phytoplankton
Fragilaria (1 colony/ml) 
Cymbella
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 1:40 p.m., 2/10/24.
Water temperature  40.5 degrees, under 1/4 inch partial ice cover.
Phytoplankton
Dinobryon 
Trachelomonas
Zooplankton
Cladocerans
Copepods
Rotifers
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Little Fresh Pond: 1:25 p.m., 2/10/24.
Water temperature 43.5 degrees F. 
Phytoplankton
Fragilaria (< 1/ml)
Cosmarium
Staurastrum
Asterionella
Zooplankton
Cladocerans
Copepods
Rotifers
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Black's Nook: 3:05 p.m., 1/10/24.
Water temperature 38.1 degrees F. (under partial , 1/4  inches of ice) 
Phytoplankton
Synura 
Dinobryon
Trachelomonas
Zooplankton
Cladocerans 
Copepods
Rotifers (Keratella, Brachionus)
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Little Fresh Pond: 2:50 p.m., 1/10/24.
Water temperature 40.2 degrees F. 
Phytoplankton
Fragilaria 
Zooplankton
Cladocerans
Copepods
Rotifers