Phytoplankton (Algae) and Zooplankton
Collected
and Identified
in Little Fresh Pond and Black's Nook
by Squizzle Plekavich
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2010
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Black's
Nook 4:00pm, 12/11/10.
Water temperature 38.0 degrees F. (under 4 inches of ice).
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Phytoplankton
Phytoplankton-
Synura
Dinobryon
Mallomonas
Pleurotaenium
Oedogonium
Closteriopsis
Uroglenopsis
The Synura, Uroglenopsis, Dinobryon association has returned.
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Zooplankton
Copepods
Rotifers (Keratella,Kellicottia)
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Little Fresh
Pond
4:15pm, 12/11/10.
Water temperature 38.6 degrees F. (under 1.5 inches of ice)
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Phytoplankton
Pediastrum (15/ml)
Microspora (14/ml)
Asterionella
Dinobryon
Scenedesmus (1/ml)
Ankistrodesmus (2/ml)
Mallomonas
Merismopedia (1/ml)
Oedogonium
Fragilaria
Synura
Staurastrum
Pleurotaenium
Closteriopsis (1/ml)
Anacystis
Tabellaria
Peridinium
Euglena (1/ml)
Desmidium
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Zooplankton
Cladocerans (Bosmina)
Copepods (Cyclops)
Rotifers
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Black's
Nook 4:25pm, 11/6/10.
Water temperature 48.6 degrees F.
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Phytoplankton
Synura
Microspora
Dinobryon
Pediastrum
Pleurotaenium
Kirchneiella
Desmidium
Spirogyra
Mallomonas
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Little Fresh
Pond
4:10pm, 11/6/10.
Water temperature 49.5 degrees F.
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Phytoplankton
Pediastrum (37/ml)
Microspora (34/ml)
Anacystis (20/ml)
Peridinium
Scenedesmus (6/ml)
Mallomonas (4/ml)
Euglena (1/ml)
Ankistrodesmus (2/ml)
Golenkiniopsis?
Dinobryon
Microcystis
Coelastrum
Kirchneiella
Fragilaria
Tabellaria
Desmidium
Spirulina
Merismopedia
Closteriopsis
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Black's
Nook 8:25am, 10/10/10.
Water temperature 56.7 degrees F.
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Phytoplankton
Dinobryon
Microspora
Desmidium
Peridinium
Synura
Selanastrum
Eudorina
Staurastrum
Euglena
Anacystis
Pediastrum
Mallomonas
Errerella ?
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Zooplankton
Copepods
Cladocerans (Bosmina)
Rotifers (Keratella)
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Little Fresh
Pond
8:40am, 10/10/10.
Water temperature 57.3 degrees F.
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Phytoplankton
Anacystis (199/ml)
Pediastrum (137/ml)
Microspora (100/ml)
Microcystis
Scenedesmus (9/ml)
Euglena (8/ml)
Ceratium hirundinella (2/ml)
Synura
Peridinium
Coelastrum
Staurastrum
Selanastrum
Spirogyra
Fragilaria
Tabellaria
Closterium
Ankistrodesmus
Merismopedia
Mallomonas
Palmella
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Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)
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Black's
Nook 4:45pm, 8/14/10.
Water temperature 75.4 degrees F.
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Phytoplankton
Synura
Eudorina
Euglena
Ceratium hirundinella
Ankistrodesmus
Desmidium
Pediastrum
Microspora
Coelastrum
Anacystis
Spirogyra
Volvox
Peridinium
Staurastrum
Anabaena
Draparnaldia
Lyngbya
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Zooplankton
Rotifers (Keratella)
Copedods
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Little Fresh
Pond
5:15pm, 8/14/10.
Water temperature 77.5 degrees F.
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Phytoplankton
Pediastrum (189/ml)
Microspora (89/ml)
Microcystis (45/ml)
Anacystis (45/ml)
Scenedesmus (3/ml)
Euglena
Staurastrum (3/ml)
Coelastrum (1/ml)
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Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)
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Black's
Nook 8:25pm, 7/23/10.
Water temperature 81.7 degrees F.
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Phytoplankton
Pediastrum
Coelastrum
Staurastrum
Eudorina
Euglena
Oedogonium
The phytoplankton population
levels were low, possibly due to over grazing by an elevated zooplankton
population. This may have led to a "clear water phase."
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Zooplankton
Copepods
Cladocerans
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Little Fresh
Pond
8:40pm, 7/23/10.
Water temperature 82.2 degrees F.
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Phytoplankton
Pediastrum (10/ml)
Microspora (1/ml)
Ceratium (1/ml)
Dinobryon
Anacystis
Staurastrum
Coelastrum
Scenedesmus
Selanastrum
Euglena
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Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)
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Black's
Nook 4:15pm, 6/26/10.
Water temperature 80.9 degrees F.
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Phytoplankton
Phytoplankton-
Pediastrum (12/ml)
Microcystis (120/ml)
Ceratium
Coelastrum
Scenedesmus
Microspora (1)
Anabaena
Dinobryon
Uroglenopsis
Anacystis (3)
Crucigenia
Synura
Cosmarium
The Synura, Uroglenopsis, Dinobryon association returns.
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Little Fresh
Pond
7:15pm, 6/26/10.
Water temperature 80.1 degrees F.
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Phytoplankton
Pediastrum (32/ml)
Mycrocystis
Scenedesmus
Anacystis
Microspora
Uroglenopsis
Fragilaria
Coelastrum
Peridinium
Mallomonas
Asterionella
Staurastrum
Merismopedia
Ceratium
unidentified desmid
Ankistrodesmus
Cosmarium
Tabellaria
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Black's
Nook 6:05pm, 5/29/10.
Water temperature 76.3 degrees F.
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Phytoplankton
unidentified green algae (Chlorella ?)
Ceratium
Peridinium
Staurastrum
Uroglenopsis
Anacystis
Cladophora
Desmidium
Selanastrum
Eudorina
Coelastrum
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Little Fresh
Pond
5:50pm 5/29/10.
Water temperature 77.4 degrees F.
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Phytoplankton
Pediastrum (32/ml)
Mycrocystis
Scenedesmus
Anacystis
Microspora
Uroglenopsis
Fragilaria
Coelastrum
Peridinium
Mallomonas
Asterionella
Staurastrum
Merismopedia
Ceratium
unidentified desmid
Ankistrodesmus
Cosmarium
Tabellaria
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Black's
Nook 6:15pm, 4/24/10.
Water temperature 64.8 degrees F.
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Phytoplankton
Ceratium
Peridinium
Staurastrum
Dinobryon
Synura
Eudorina
Uroglenopsis
Coelastrum
Anacystis
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella,Filinia)
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Little Fresh
Pond
5:55pm, 4/24/10.
Water temperature 65.5 degrees F.
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Phytoplankton
Pediastrum (15/ml)
Dinobryon
Synura
Microspora
Scenedesmus
Asterionella
Anacystis
Nitzschia
Coelastrum
Euglena
Mallomonas
Tabellaria (~ 95 cells long)
Navicula
Staurastrum
Closterium
Fragilaria
Cosmarium
Peridinium
Microcystis
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Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)
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Black's
Nook 11:55am, 3/28/10.
Water temperature 46.8 degrees F.
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Phytoplankton
Dinobryon
Staurastrum
Coelastrum
Synura
Peridinium
Chlorella
Desmidium
Euglena
Mallomonas
Pediastrum
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Zooplankton
Rotifers (Filinia, Keratella)
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Little Fresh
Pond
12:10pm, 3/28/10.
Water temperature 46.2 degrees F.
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Phytoplankton
Pediastrum (6/ml)
Asterionella (1/ml)
Microspora
Scenedesmus
Tabellaria (up to 16 cells long)
Anacystis
Chlorella
Nitzschia
Fragilaria
Coelastrum
Closterium
Synura
Schroederia
Euglena
unidentified diatom
Oscillatoria
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Zooplankton
Copepods
Cladocerans (Bosmina)
Rotifers (Keratella,Synchaeta)
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Black's
Nook 3:35pm, 2/27/10.
Water temperature 34.6 degrees F (under partial ice cover).
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Phytoplankton
Synura (bloom)
Dinobryon
Staurastrum
Peridinium
Eudorina
Anacystis
Uroglenopsis
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Zooplankton
Copepods
Rotifers (Keratella, Synchaeta)
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Little Fresh
Pond
3:50pm, 2/27/10.
Water temperature 36.5 degrees F (under partial ice cover).
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Phytoplankton
Pediastrum (< 1/ml)
Euglena (1/ml)
The ice has melted near shore & a large population of copepods may
have reduced the population of near shore phytoplankton, to very low
levels.
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Black's
Nook 4:35pm, 1/23/10.
Water temperature 32.5 degrees F (under 11 inches of ice).
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Phytoplankton
Synura
Peridinium
Staurastrum
Mallomonas
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Zooplankton
Copepods (Cyclops)
Rotifers(Synchaeta, Keratella,Filinia)
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Little Fresh
Pond
4:05pm, 1/23/10.
Water temperature 32.6 degrees F (under 11 inches of ice).
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Phytoplankton
Pediastrum
Scenedesmus
Tabellaria (longer chains than usual - some more than 12 cells long)
Microspora
Closterium
Cymbella
Unidentified diatom
Nitzschia
Anacystis
Fragilaria
Euglena
Mallomonas
Stauroneis
Ankistrodesmus
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Zooplankton
Cladocerans (Daphnia)
Copepods
Rotifers
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