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Phytoplankton (Algae) and Zooplankton
Collected and Identified
in Little Fresh Pond and Black's Nook
by Squizzle Plekavich
2005

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December 24th, 2005, 3:30pm, Little Fresh Pond.
Water temperature 32.2 degrees F, with ~4 inches of ice cover.

Phytoplankton
Scenedesmus
Fragilaria
Pediastrum
Tabellaria
Staurastrum
Asterionella
Dinobryon
Navicula
Synura (associated with Dinobryon blooms, such as the one we had last month)

Zooplankton
Cladocerans
Ostracods
Copepods
Rotifers(Keratella)

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November 27th, 2005, 11:30am, Little Fresh Pond.
Water temperature 37.3 degrees F, with partial 1/4 inch thick ice cover.

Phytoplankton
Dinobryon (bloom)
Pediastrum
Scenedesmus
Staurastrum
Asterionella
Fragilaria

Zooplankton
Cladocerans(Bosmina)
Ostracods
Copepods
Rotifers(Asplanchna,Brachionus,& Keratella)

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October 23rd, 2005, 4:00pm, Little Fresh Pond.
Water temperature 54.0 degrees F.

Phytoplankton
Scenedesmus
Asterionella
Pediastrum
Staurastrum
Chaetoceros

Zooplankton
Cladocerans
Rotifers

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September 10th, 2005, 2:00pm, Little Fresh Pond.
Water temperature 75.9 degrees F.

Phytoplankton
Pediastrum (dominant)
Scenedesmus
Microcystis
Merismopedia
Staurastrum

Zooplankton
Cladocerans(Daphnia)
Copepods
Ostracods
Rotifers

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August 27th, 2005, 4:00pm, Little Fresh Pond.
Water temperature 81.1 degrees F.

Phytoplankton
Pediastrum
Staurastrum
Scenedesmus
Euglena

Zooplankton
Cladocerans(Bosmina)
Ostracods
Copepods
Rotifers(Asplanchna,Brachionus,& Keratella)

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August 6th, 2005,1:30pm, Black's Nook.
Water temperature 77.5 degrees F.

Phytoplankton
Ceratium
Pediastrum
Volvox

Zooplankton
Cladocerans(Bosmina)
Copepods
Rotifers

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July 23rd, 2005, 7:30pm, Little Fresh Pond.
Water temperature 83.0 degrees F.

Phytoplankton
Dinobryon & Anabena (both dominant)
Ceratium
Pediastrum
Scenedesmus
Euglena

Zooplankton
Cladocerans (Bosmina)
Ostracods
Copepods
Rotifers (Keratella)

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June 18th, 2005, 2:15pm, Little Fresh Pond.
Water temperature 70.5 degrees F.

Phytoplankton
Ceratium (dominant, as it was last June)
Pediastrum
Scenedesmus
Dinobryan
Staurastrum
Euglena
Spyrogyra

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

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May 28th, 2005, 2:00pm, Little Fresh Pond.
Water temperature 64.4 degrees F.

Phytoplankton
Ceratium(dominant)
Pediastrum
Scenedesmus
Staurastrum
Dinobryan
Spyrogyra
Fragilaria

Zooplankton
Cladocerans(Bosmina)
Copepods
Ostracods
Rotifers(Keratella)

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April 24th, 2005, 12:00pm, Little Fresh Pond.
Water temperature 58.6 degrees F.

Phytoplankton
Asterionella (dominant)
Dinobryon
Ceratium
Pediastrum
Fragilaria
Scenedesmus
Spyrogyra
Tabellaria
Netrium

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


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March 26th, 2005, 2:30pm, Little Fresh Pond.
Water temperature 43.0 degrees F with partial ice cover.

Phytoplankton
Fragiliara
Tabelaria
Euglena

Zooplankton
Copepods (Cyclops)
Rotifers

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February 26th, 2005, 3:00pm, Little Fresh Pond.
Water temperature 32.2 degrees F with ~6 inches of ice cover.

Phytoplankton
Fragiliara
Tabelaria
Pediastrum
Closterium
Spyrogyra

Zooplankton
Copepods (Cyclops)
Cladocerans
Rotifers

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January 29th, 2005, 5:00pm, Little Fresh Pond.
Water temperature 31.9 degrees F with ~ 5.5 inches of ice cover.

Phytoplankton
Fragiliaria
Pediastrum
Tabelaria
Scenedesmus
Closterium

Zooplankton
Ostracods

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December 18th, 2004, 3:30pm, Little Fresh Pond.
Water temperature 36.3 degrees F (approx 1 inch ice cover).

Phytoplankton
Asterionella (dominant)
Pediastrum
Dinobryon
Staurastrum

Zooplankton
Copepods
Cladocerans (Bosmina)
Ostracods

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November 27th, 2004, 5:30pm, Little Fresh Pond.
Water temperature 43.3 degrees F.

Phytoplankton
Pediastrum
Fragilaria
Tabellaria

Zooplankton
Cladocerans (Bosmina & Daphnia)

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October 30th, 2004, 3:30pm, Little Fresh Pond
Water temperature 50.3 degrees F.

Phytoplankton
Unidentified filamentous algae (dominant)
Volvox
Asterionella
Pediastrum
Scenedesmus
Staurastrum
Dinobryon
Euglena

Zooplankton
Ostracods
Rotifers (Keratella)

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September 11th, 2004, 2:45pm, Little Fresh Pond
Water temperature 75.4 degrees F.

Phytoplankton
Ceratium
Pediastrum
Euglena

Zooplankton
Cladocerans(Daphnia)
Copepods(Cyclops)
Rotifers(Keratella)

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August 28th, 2004, 12:15pm, Little Fresh Pond
Water temperature 80.4 degrees F.

Phytoplankton
Anabena (dominant)
Pediastrum
Ceratium
Scenedesmus

Zooplankton
Cladocerans (Bosmina)
Ostracods
Rotifers(Keratella)

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July 25th, 2004, 3:30pm, Little Fresh Pond
Water temperature 79.3 degrees F.

Phytoplankton
Scenedesmus
Pediastrum
Euglena
Ceratium
(Unknown Volvox-like species)

Zooplankton
Cladocerans(Bosmina & Ostracods)
Copepods(Cyclops)
Rotifers(Keratella)

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June 26, 2004, 4:00pm, Little Fresh Pond
Water temperature 76.5 degrees F.

Phytoplankton
Ceratium (dominant)
Scenedesmus
Pediastrum
Anabena
Staurastrum

Zooplankton-
Bosmina
Ostracods

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June 9 2004, 7:00 pm, Black's Nook

Phytoplankton
Ceratium hirundinella
Fragilaria
Spirogyra(?)

Zooplankton
Copepods
Bosmina longirostris

Rotifer: Keratella sp.

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May 22nd 2004, 3:00 pm, Little Fresh Pond.
Water temperature 67.7 degrees F.

Phytoplankton
Arterionella (dominant)
Ceratium
Staurastrum
Pediastrum
Scenedesmus
Netrium
Spirogyra

Zooplankton
Copepods
Cladocerans

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April 24th 2004, 2:30pm, Little Fresh Pond

Phytoplankton
Asterionella (dominant)
Pediastrum
Staurastrum
Scenedesmus
Ceratium
Closterium
Dinobryon

Zooplankton
Copepods
Cladocerans

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March 27, 2004, Little Fresh Pond

Phytoplankton
Pediastrum
Dinobryon
Fragilaria

Zooplankton
Cladocerans (Bosmina)
Copepods (Cyclops)

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February 28, 2004, Little Fresh Pond

Phytoplankton
Pediastrum
Closterium

Zooplankton
Cladocerans (Bosmina)
Copepods (Cyclops)

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December 27, 2003, Little Fresh Pond

Phytoplankton
(None observed)

Zooplankton
(Large numbers observed)
In order of abundance:
Copepods (Cyclops)
Cladocerans (Bosmina)

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October 26, 2003, Little Fresh Pond
Phytoplankton

Pediastrum
Staurastrum
Scenedesmus
Asterionella
Dinobryon
Navicula
Euglena
Ceratium
2004-3
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