Winter Sampling

Dec 1995

Dec 1996

Jan 1997

Feb 1997

Jan 1998

Mediomastus spp. – 10.8

Oligochaeta – 1.2

Oligochaeta – 13.2

Maranzellaria viridis – 20.4

Maranzellaria viridis – 18.2

Gammarus palustris – 4.8

Monoculodes – 0.2

Maranzellaria viridis – 6.6

Oligochaeta – 6.6

Gammarus palustris – 6.8

Oligochaeta – 1.5

Procladius sp. – 0.2

Mediomastus spp. – 2.2

Mediomastus spp. – 3.8

Monoculodes – 1.0

Spionidae sp. – 1.0

Platyhelminthes – 0.2

Mediomastus ambiseta – 1.4

Total Infauna – 34.6

Total Infauna – 28.2

Edotea triloba – 0.7

Maranzellaria viridis – 0.2

Lembos websterti – 1.4

Edotea sp. – 0.7

Total Infauna – 2.0

Ampithoe – 0.8

Total Infauna – 22.0

Total Infauna – 26.6

Spring Sampling

Summer Sampling

Mar 1996

Mar 1997

Apr 1997

Aug 1996

Sep 1997

Maranzellaria viridis – 43.6

Mediomastus spp. – 26.0

Gammarus palustris – 18.2

Oligochaeta – 5.8

Streblospio benedicti – 20.8

Monoculodes – 7.0

Gammarus sp. – 9.0

Gammarus mucronatus – 6.5

Mediomastus spp. – 2.2

Mediomastus spp. – 1.4

Edotea sp. – 2.8

Crangonyx pseudogracilis – 7.0

Amphipoda sp. C – 2.7

Maranzellaria viridis – 1.6

medusa – 1.4

Edotea triloba – 1.8

Oligochaeta – 6.0

Amphipoda spp. – 2.7

Monoculodes – 1.0

Spionidae – 0.8

Total Infauna – 59.6

Maranzellaria viridis – 2.0

Monoculodes – 2.0

Eusymmerus sp. – 1.0

Total Infauna – 4.4

Total Infauna – 55

Mediomastus spp. – 1.3

Laeoneris culveri – 0.8

Total Infauna – 38

Total Infauna – 13.8

Summer (cont.)

Fall Sampling

Aug 1998

Sep 1998

1 Oct 1996

31 Oct 1996

Oct 1998

Streblospio benedicti – 2.6

Mediomastis ambiseta – 9.0

Daphnia sp. – 2.7

Polypedilum sp. – 1.6

Mediomastis ambiseta – 12.4

medusa – 2.0

Corophium lacustre – 3.0

Oligochaeta – 0.4

Oligochaeta – 1.2

Mediomastus spp. – 3.0

Mediomastus ambiseta – 0.6

Gammarus palustris – 2.8

Mediomastus spp. – 0.4

Mediomastus californiensis – 0.4

Oligochaeta – 0.8

Total Infauna – 7.6

Parandalia sp. – 0.7

Capitellidae sp. – 0.3

Chironomidae – 0.4

Total Infauna – 17.0

Total Infauna – 26.8

Total Infauna – 18.3

Total Infauna – 4.4