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 2003-2011  Earlier Years: 2010 2009  2008  2007  2006  2005  2003-4

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Black's Nook 8:00am, 12/17/11..
Water temperature 40.4 degrees F..
.

Phytoplankton
Synura
Dinobryon
Mallomonas
Fragilaria
Closterium
Microspora
Asterionella
Palmella
Selanastrum
Euglena
Desmidium
Sphaerozosma

Zooplankton
Copepods
Rotifers (Keratella, Synchaeta, Brachionus)

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Little Fresh Pond 8:20am, 12/17/11.
Water temperature 41.3 degrees F.

Phytoplankton
Asterionella (3/ml)
Pediastrum (2/ml)
Microspora (1/ml)
Mallomonas (3/ml)
Dinobryon (2/ml)
Scenedesmus (2/ml)
Palmella
Synura
Euglena
Anacystis (14/ml)
Ankistrodesmus (1/ml)
Tabellaria
Microcystis?
Peridinium
Navicula
Trachelomonas

Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Asplanchna)

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Black's Nook 3:05pm, 11/26/11.
Water temperature 46.3 degrees F.
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Phytoplankton
Dinobryon
Anacystis
Desmidium
Ankistrodesmus
Staurastrum
Mallomonas
Scenedesmus
Sphaerozosma
Synura
Euglena
Fragilaria
Microspora
Closterium
Uroglenopsis
Chrysosphaerella
Pediastrum
Oedogonium
Coelastrum
Asterionella
Cosmarium

Zooplankton
Zooplankton-
Copepods
Cladocerans
Rotifers (Synchaeta)

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Little Fresh Pond 3:35pm, 11/26/11.
Water temperature 47.4 degrees F

Phytoplankton
Anacystis (65/ml)
Pediastrum (6/ml)
Scenedesmus (11/ml)
Dinobryon (7/ml)
Microspora ((6/ml)
Selanastrum (8/ml)
Spirogyra
Asterionella (1/ml)
Golenkiniopsis (2/ml)
Mallomonas (1/ml)
Synura
Coelastrum
Phytoconis (4/ml)
Fragelaria
Ankistrodesmus (1/ml)
Tabellaria
Schroederia (1/ml)
Navicula
Trachelomonas

Zooplankton
Copepods
Cladocerans
Rotifers (Filinia, Keratella)

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Black's Nook 4:50pm, 10/29/11.
Water temperature 48.6 degrees F.
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Phytoplankton
Dinobryon
Microspora
Pediastrum
Scenedesmus
Desmidium
Mougeotia
Uroglenopsis
Coelastrum
Euglena
Mallomonas
Synura
Tribonema
Ulothrix

Zooplankton
Copepods
Cladocerans
Rotifers

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Little Fresh Pond 4:30pm, 10/29/11.
Water temperature 48.5 degrees F.

Phytoplankton
Microspora (47/ml)
Microcystis (140/ml)
Pediastrum (13/ml)
Phytoconis (20/ml)
Coelastrum
Scenedesmus (5/ml)
Anacystis
Staurastrum (2/ml)
Mallomonas
Ankistrodesmus (2/ml)
Tabellaria
Peridinium
Eudorina
Oscillatoria
Dinobryon
Stephanodiscus
unknown diatom

Zooplankton
Copepods
Cladocerans
Ostracods
Rotifers (Keratella, Brachionas)

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Black's Nook 7:00am, 9/30/11.
Water temperature 68.8 degrees F.

Phytoplankton
Microcystis
Pediastrum (14/ml)
Anacystis (60/ml)
Microspora (4/ml)
Coelastrum (1/ml)
Staurastrum
Euglena
Closterium
Ceratium
Synura
Merismopedia

Zooplankton
Copepods
Cladocerans
Rotifers (Keratella)

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Little Fresh Pond 7:15am, 9/30/11.
Water temperature 69.0 degrees F.

Phytoplankton
Pediastrum (10/ml)
Microspora (5/ml)
Ceratium
Anacystis (10/ml)
Microcystis
Scenedesmus
Selanastrum
Merismopedia (1/ml)
Spirulina
Centritractus (3/ml)

Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Filinia)

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Black's Nook 7:35pm, 8/29/11.
Water temperature 77.8 degrees F.

Phytoplankton
Desmidium
Microspora
Staurastrum
Ankistrodesmus
Selanastrum
Anacystis
Euglena
Coelastrum
Spirogyra
Synura
Cosmarium
Eudorina
Docidium

Zooplankton
Copepods
Rotifers (Keratella, Filinia)

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Little Fresh Pond 7:45pm, 8/29/11.
Water Temperature 76.7 degrees F.

Phytoplankton
Pediastrum (10/ml)
Microspora (5/ml)
Ceratium
Anacystis (10/ml)
Microcystis
Scenedesmus
Selanastrum
Merismopedia (1/ml)
Spirulina
Centritractus (3/ml)

Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Filinia)

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Black's Nook 1:20pm, 7/23/11.
Water temperature 83.9 degrees F

Phytoplankton
Sphaerozosma
Ceratium
Ulothrix
Euglena
Eudorina
Kirchneriella ?
Desmidium
Spirogyra
Coelastrum
Anacystis
Staurastrum
Cosmarium
Selanastrum
Pediastrum

Zooplankton
Cladocerans
Copepods
Rotifers

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Little Fresh Pond 1:00pm, 7/23/11.
Water Temperature 84.0 degrees F.

Phytoplankton
Microcystis (50/ml)
Pediastrum (8/ml)
Microspora (6/ml)
Anacystis (20/ml)
Ceratium
Euglena (1/ml)
Coelastrum
Tabellaria
Peridinium
Scenedesmus
Closterium
Staurastrum
Docidium
Oedogonium
Schroederia
Anabaena
Navicula

Zooplankton
Cladocerans
Copepods
Ostracods
Rotifers

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Black's Nook 4:10pm, 6/25/11.
Water temperature 71.1 degrees F

Phytoplankton
Ceratium
Peridinium
Eudorina
Sphaerozosma
Desmidium
Microspora
Euglena
Oedogonium
Staurastrum
Synura

Zooplankton
Copepods
Cladocerans (Bosmina)
Rotifers

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Little Fresh Pond 3:55pm, 6/25/11.
Water Temperature 72.0 degrees F.

Phytoplankton
Anacystis (143/ml)
Pediastrum (33/ml)
Microspora (31/ml)
Palmella (23/ml)
Microcystis
Scenedesmus (10/ml)
Asterionella (3/ml)
Coelastrum (2/ml)
Ceratium
Staurastrum (1/ml)
Ankistrodesmus (1/ml)
Schroederia (1/ml)
Phytoconis
Peridinium
Euglena
Tabellaria
Mallomonas

Zooplankton
Copepods
Cladocerans
Rotifers (Keratella, Filinia)

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Black's Nook 5:05pm, 5/21/11.
Water temperature 72.1 degrees F.

Phytoplankton
Ceratium
Dinobryon
Peridinium
Mallomonas
Asterionella
Synura
Eudorina
Anacystis
Staurastrum

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella, Filinia)

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Little Fresh Pond 4:50pm, 5/21/11.
Water Temperature 76.7 degrees F

Phytoplankton
Microcystis (140/ml)
Pediastrum (4/ml)
Ceratium
Scenedesmus (2/ml)
Mallomonas
Staurastrum (2/ml)
Asterionella
Anacystis
Coelastrum
Peridinium
Fragilaria
Microspora
Anabaena
Spirulina

The warm temperature competitors (Microcystis & Ceratium) are out competing the opposition. Microcystis keeps Pediastrum out of first place.

Zooplankton
Cladorerans (Bosmina)
Copepods
Rotifers (Keratella, Filinia)

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Black's Nook 6pm , 4/30/11.
Water temperature 64.6 degrees F.

Phytoplankton
Phytoplankton-
Dinobryon
Synura
Staurastrum
Ceratium
Coelastrum
Cosmarium
Desmidium
Peridinium
Trachelomonas
Pediastrum
Selenastrum

Zooplankton
Copepods
Rotifers (Keratella, Brachionus, Filinia)

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Little Fresh Pond 5:45pm, 4/30/11.
Water Temperature 65.0 degrees F.

Phytoplankton
Phytoplankton-
Asterionella
Pediastrum
Microspora
Staurastrum
Scenedesmus
Ceratium
Fragilaria
Tabellaria
Coelastrum
Cosmarium
Closterium
Phytoconis
Euglena
Chlorella
Unknown diatom
It is rare to have Pediastrum out-numbered in Little Fresh. The last time Asterionella did it was Nov. 2009. Pediastrum will not be kept out of first place for long.
Population Numbers:
Asterionella (67/ml)
Pediastrum(20/ml)
Microspora (5/ml)
Chlorella (1/ml)
Staurastrum (1/ml)

Zooplankton
Cladocerans (Bosmina, Daphnia)
Copepods
Rotifers (Keratella, Synchaeta)

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Black's Nook 5:45pm. 3/26/11.
Water temperature 44.9 degrees F.

Phytoplankton
Synura
Euglena
Peridinium
Chlamydomonas
Staurastrum
Closterium
Scenedesmus
Tribonema
Uroglenopsis
Docidium

Zooplankton
Rotifers


Rotifers (Brachionus, Keratella)

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Little Fresh Pond 6pm, 3/26/11.
Water Temperature 43.6 degrees F.

Phytoplankton
Pediastrum (5/ml)
Asterionella (4/ml)
Microspora (3/ml)
Synura
Dinobryon
Scenedesmus
Euglena (1/ml)
Palmella?
Chlamydomonas
Staurastrum
Tabellaria
Closterium
Oscilatoria
unknown diatom

Zooplankton
Cladocerans
Copepods
Rotifers (Keratella, Synchaeta)

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Black's Nook 3:05pm, 2/12/11.
Water temperature 32.2 degrees F. (under 1 foot of ice, in 2 layers)

Phytoplankton
Euglena
Uroglenopsis
Oedogonium
Synura
Mallomonas
Dinobryon.

Zooplankton
Rotifers


All population numbers were very low, probably due to the thick ice cover.

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Little Fresh Pond 3:25pm, 2/12/11.
Water Temperature 32.2 degrees F. (under 16 " of ice, in 2 layers)

Phytoplankton
Pediastrum (< 1/ml)
Mallomonas

Zooplankton
Copepods
Rotifers (Keratella)

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Black's Nook 3:40pm. 1/15/11.
Water temperature 32.9 degrees F. (under 3 inches of snow & 4 inches of ice)

Phytoplankton
Pleurotaenium
Closterium
Scenedesmus
Fragilaria
Microspora
Staurastrum
Asterionella
Euglena
Pediastrum
Anacystis
Desmidium
Oedogonium
Schroederia
Synura
Spirogyra
The Synura population seems low for this time of the year.

Zooplankton
Copepods
Rotifers

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Little Fresh Pond 3:15pm, 1/15/11.
Water Temperature 33.4 degrees F. (under 3 inches of snow & 10 inches of ice)

Phytoplankton
Pediastrum
Tabellaria (1/ml)
Fragilaria
Scenedesmus
Euglena (1/ml)
Anacystis (11/ml)
Asterionella
Closterium
Ankistrodesmus
Synura
unidentified diatom

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella)