2004: 54 species

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2004 54 species
Do they spawn here?
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Sunfish guarding nest
Yes!
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brown bullhead
brook stickleback
These spawn in the lake
common carp
banded killifish
bluegill
pumpkinseed
largemouth bass
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• Radio-tagged fish leave the lake in autumn
  (oxygen levels drop)

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Fish invaders Introductions and Canals
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Gained!!

• Carp
• White bass, white perch
• Sheepshead

Cyprinus carpio
Morone chrysops
M. americana
Gizzard shad
Dorosoma cepedianum
Aplodinotus grunniens
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DISSOLVED OXYGEN
Hypolimnion
www.ourlake.org
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• Refuges from low dissolved oxygen during fall

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Environmental Checklist

• Dissolved oxygen
• Nitrogen Phosphorus Potassium
• Low visibility blue-green algae
• CaCO3 NaCl
• Mercury Zinc Copper Benzene
• Substrate Aquatic plants

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Can we restore the habitat?
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Guidelines for restoration (1990)