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  TOTAL SPECIES LIST 2003-2008  Earlier Years: 2009  2008    2007   2006    2005    2003-4

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Black's Nook 8:25pm, 7/23/10.
Water temperature 81.7 degrees F.

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."

Zooplankton
Copepods
Cladocerans

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Little Fresh Pond 8:40pm, 7/23/10.
Water temperature 82.2 degrees F.

Phytoplankton
Pediastrum (10/ml)
Microspora (1/ml)
Ceratium (1/ml)
Dinobryon
Anacystis
Staurastrum
Coelastrum
Scenedesmus
Selanastrum
Euglena

Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)

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Black's Nook 4:15pm, 6/26/10.
Water temperature 80.9 degrees F.

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.

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)

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Little Fresh Pond 7:15pm, 6/26/10.
Water temperature 80.1 degrees F.

Phytoplankton
Pediastrum (32/ml)
Mycrocystis
Scenedesmus
Anacystis
Microspora
Uroglenopsis
Fragilaria
Coelastrum
Peridinium
Mallomonas
Asterionella
Staurastrum
Merismopedia
Ceratium
unidentified desmid
Ankistrodesmus
Cosmarium
Tabellaria

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)

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Black's Nook 6:05pm, 5/29/10.
Water temperature 76.3 degrees F.

Phytoplankton
unidentified green algae (Chlorella ?)
Ceratium
Peridinium
Staurastrum
Uroglenopsis
Anacystis
Cladophora
Desmidium
Selanastrum
Eudorina
Coelastrum

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)

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Little Fresh Pond 5:50pm 5/29/10.
Water temperature 77.4 degrees F.

Phytoplankton
Pediastrum (32/ml)
Mycrocystis
Scenedesmus
Anacystis
Microspora
Uroglenopsis
Fragilaria
Coelastrum
Peridinium
Mallomonas
Asterionella
Staurastrum
Merismopedia
Ceratium
unidentified desmid
Ankistrodesmus
Cosmarium
Tabellaria

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)

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Black's Nook 6:15pm, 4/24/10.
Water temperature 64.8 degrees F.

Phytoplankton
Ceratium
Peridinium
Staurastrum
Dinobryon
Synura
Eudorina
Uroglenopsis
Coelastrum
Anacystis

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.

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

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)

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Black's Nook 11:55am, 3/28/10.
Water temperature 46.8 degrees F.

Phytoplankton
Dinobryon
Staurastrum
Coelastrum
Synura
Peridinium
Chlorella
Desmidium
Euglena
Mallomonas
Pediastrum

Zooplankton
Rotifers (Filinia, Keratella)

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Little Fresh Pond 12:10pm, 3/28/10.
Water temperature 46.2 degrees F.

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

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).

Phytoplankton
Synura (bloom)
Dinobryon
Staurastrum
Peridinium
Eudorina
Anacystis
Uroglenopsis

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).

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.

Zooplankton
Copepods

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Black's Nook 4:35pm, 1/23/10.
Water temperature 32.5 degrees F (under 11 inches of ice).

Phytoplankton
Synura
Peridinium
Staurastrum
Mallomonas

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).

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

Zooplankton
Cladocerans (Daphnia)
Copepods
Rotifers