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Faglig rapport fra DMU, nr. 434

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Døstrup Bæk<br />

03-04-2001<br />

Opstrøms Umiddelbart ned- 950 m ned-<br />

for dambrug v. vej strøms dambrug<br />

v. styrt (pæl 14)<br />

strøms dambrug<br />

Station 1 Station 2 Station 3<br />

Spark Pille Spark Pille Spark Pille<br />

Fimreorme<br />

Dugesia gonocephala<br />

Polycelis sp<br />

Hårorme<br />

3 1 2 42<br />

Nematomorpha indet.<br />

Snegle<br />

2<br />

Physa fontinalis<br />

Lymnaea glabra<br />

1<br />

Lymnaea pereger<br />

Lymnaea truncatula<br />

Gyraulus albus<br />

Gyraulus crista<br />

Gyraulus laevis<br />

Anisus contortus<br />

Anisus vortex<br />

16 250 2<br />

Planorbis planorbis 246<br />

Ancylus fluviatilis<br />

Muslinger<br />

6 1 2 2 1<br />

Pisidium sp.<br />

Igler<br />

6 2 10<br />

Glossiphonia complanata 18 13 3 1<br />

Helobdella stagnalis 1 1<br />

Erpobdella octoculata<br />

Erpobdella sp.<br />

Børsteorm<br />

Eiseniella tetraedra<br />

2 41 3<br />

Oligochaeta indet.<br />

Vandmider<br />

38 23 23<br />

Hydracarinae indet.<br />

Småkrebs<br />

5 18 7<br />

Ostracodae indet.<br />

Storkrebs<br />

18 5<br />

Asellus aquaticus 2 13 3<br />

Gammarus pulex<br />

Døgnfluer<br />

3000 1 2500 1 2000 1<br />

Baetis rhodani<br />

Baetis sp.<br />

Centroptilum luteolum<br />

Cloeon dipterum<br />

Ephemerella ignita<br />

Paraleptophlebia submarginata<br />

500 2 1000 1 62 1<br />

Paraleptophlebia sp<br />

Slørvinger<br />

Amphinemura standfussi<br />

2<br />

Nemoura avicularis 1<br />

Nemoura cinerea<br />

Nemoura flexuosa<br />

7 45 5 1<br />

251

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