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 2003-2007  Earlier Years: 2007   2006    2005    2003-4

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Black's Nook 6:45pm, 6/21/08.
Water temperature 80.3 degrees F.

Phytoplankton
Peridinium
Ceratium
Staurastrum
Pediastrum
Fragilaria
Coelastrum
Anacystis
Eudorina
Spirogyra
Selenastrum
Dinobryon

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

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Little Fresh Pond 6:55pm, 6/21/08
Water temperature 80.6 degrees F.

Phytoplankton
Pediastrum (bloom)
Coelastrum
Scenedesmus
Ceratium
Fragilaria
Microcystis
Phacus
Euglena
Spirotaenia
Merismopedia

Zooplankton
Cladocerans (Bosmina)
Rotifers (Brachionus)

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Black's Nook 2:10pm, 5/24/08.
Water temperature 65.0 degrees F.

Phytoplankton
Dinobryon
Pediastrum
Anacystis
Coelastrum
Fragilaria
Selenastrum
Staurastrum

Zooplankton
Cladocerans (Bosmina)
Copepods
Rotifers (Keratella

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Little Fresh Pond 2:25pm, 5/24/08.
Water temperature 67.2 degrees F.

Phytoplankton
Phytoplankton-
Pediastrum(bloom)
Asterionella
Lyngbya
Scenedesmus
Fragilaria
Staurastrum
Dinobryon
Microcystis
Pinnularia
Spirulina
Synura
Navicula
Euglena
Coelastrum
Closterium

Zooplankton
Ostracods
Rotifers (Keratella

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Black's Nook 2:20pm, 4/26/08.
Water temperature 67.5 degrees F.

Phytoplankton
Dinobryon (bloom)
Peridinium (bloom)
Pediastrum
Euglena
Tribonema

Zooplankton
Rotifers

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Little Fresh Pond 2:40pm, 4/26/08.
Water temperature 65.7 degrees F.

Phytoplankton
Pediastrum (bloom)
Asterionella
Peridinium
Lyngbya
Staurastrum
Scenedesmus
Closterium
Oscillatoria
Fragilaria
Euglena
Mallomonas
Ceratium
Dinobryon
Uroglenopsis
Microcystis
Anacystis
Pinnularia

Pediastrum is the dominant phytoplankton now. The populations of Uroglenopsis & Dinobryon are greatly diminished & there were no Synura found in this sample.

Zooplankton
Cladocerans (Bosmina)
Copepods
Ostracods
Rotifers (Keratella)

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Black's Nook 2:00pm, 3/22/08.
Water temperature 41.8 degrees F.

Phytoplankton
Synura
Pediastrum
Chlorella
Uroglenopsis
Dinobryon
Oscillatoria
Gonium
Pandorina
Spirogyra
Euglens
Anacystis
Tribonema
Fragilaria

The Synura, Uroglenopsis, Dinobryon association continues.

Zooplankton
Rotifers (Keratella,Brachionus)

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Little Fresh Pond 2:20pm, 3/22/08.
Water temperature 47.6 degrees F.

Phytoplankton
Pediastrum
Synura
Dinobryon
Anacystis
Oscillatoria
Uroglenopsis
Asterionella
Scenedesmus
Peridinium
Euglena
Phacus
Navicula
Microcystis
Pinnularia
Cymatopleura

The Synura, Uroglenopsis, Dinobryon association continues & Pediastrum has returned to dominance.

Zooplankton
Cladocerans (Bosmina)
Rotifers(Keratella, Brachionus)

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Black's Nook 4:50pm, 2/23/08.
Water temperature 33.2 degrees F (under ~ 4.5 inches of ice).

Phytoplankton
Synura
Dinobryon
Uroglenopsis
Euglena
Tribonema
Spirogyra

The Synura, Uroglenopsis, Dinobryon association continues.

Zooplankton
Copepods
Rotifers (Keratella, Asplanchna, Brachionas, Microcodon?)

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Little Fresh Pond 4:30pm, 2/23/08.
Water temperature 37.4 degrees F (under ~ 3 inches of ice).

Phytoplankton
Uroglenopsis
Synura
Synedra
Pediastrum
Dinobryon
Euglena
Peridinium
Mallomonas
Tribonema
Navicula

The Synura, Uroglenopsis, Dinobryon association continues.

Zooplankton
Zooplankton
Copepods
Rotifers (Keratella)

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Black's Nook 2:45pm 1/19/08.
Water temperature 32.9 degree F (under ~4 inches of ice).

Phytoplankton
Synura
Dinobryon
Uroglenopsis
Peridinium

Both Synura & Uroglenopsis are associated with Dinobryon populations.

Zooplankton
Rotifers (Keratella, Brachionus)

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Little Fresh Pond 3:40pm 1/19/08.
Water temperature 36.3 degrees F (under ~4 inches of ice).

Phytoplankton
Pediastrum
Synura
Dinobryon
Uroglenopsis
Asterionella
Mallomonas
Peridinium
Navicula
Spirogyra

Both Synura & Uroglenopsis are associated with Dinobryon populations.

Zooplankton
Copepods
Rotifers (Brachionus)