Table 6.12 Mean (SE) for infauna sampled during 1998 at NAV. Identification of spring samples is ongoing.

Taxa

21 Jan 98

6 Aug 98

2 Sep 98

6 Oct 98

Corophium lacustre

0.2 (0.2)

0

0

0

Gammarus palustris

0.2 (0.2)

0

0

0

Bivalvia sp.

0.4 (0.2)

0

0

0

Mulinia latoralis

0

0.2 (0.2)

0

0

Medusa

0

0.2 (0.2)

0

0

Harpacticoid copepod

0

0

0

0.2 (0.2)

Gastropoda sp.

0.6 (0.4)

0

0

0

Bezzia/palpomyia

0

0

0.2 (0.2)

0

Chironomidae sp.

0.2 (0.2)

0

0

0

Coelotanypus sp.

0

0

0

0.2 (0.2)

Cryptochironomus sp.

0.4 (0.2)

0

0

0

Dicrotendipes

0.2 (0.2)

0

0

0

Insecta sp.

0.2 (0.2)

0

0

0

Polypedilum sp.

2.4 (0.4)

0

0

0

Procladius sp.

0.2 (0.2)

0

0.8 (0.6)

0

Tanytarsus sp.

0.2 (0.2)

0

0

0

Mysidopsis biglowi

23.0 (3.0)

0

0

0

Nemertea sp.

0

0.2 (0.2)

0

0

Oligochaeta sp.

0

8.2 (0.7)

2.2 (1.3)

12.8 (3.0)

Ostracoda sp.

2.8 (1.5)

0

0

0.4 (0.2)

Maranzellaria viridis

143.2 (11.2)

0

0

0

Mediomastus ambiseta

2.0 (1.3)

0.4 (0.4)

0

0

Mediomastus sp.

0

0.8 (0.6)

0

0

Total Infaunal Abundance

176.2 (13.9)

10.0 (0.8)

3.2 (1.5)

13.6 (3.5)