Effekter af pyrethroidet lambda-cyhalothrin på biologisk struktur, funktion og rekolonisering i vandløb

Bilag B

B.1. Taxon sammensætningen af smådyr på grusbund i 6 store strømrender, Lemming: 3 kontrolrender og 3 render, hvis nedstrøms halvdele blev behandlet med en 90 min puls med lambda-cyhalothrin (5,0 µg l-¹). Tallene angiver gennemsnitligt antal individer pr. Surberprøve (N=5).

Taxa Opstrøms
dele (alle 6
render)
Nedstrøms
ubehandlede
dele
(kontrolrender)
Nedstrøms
behandlede
dele -
dag 7
Nedstrøms
behandlede
dele -
dag 30
Dugesia gonocephala 0.1 0.0 0.0 0.0
Polycelis sp. 0.1 0.0 0.0 0.0
Oligochaeta 127.9 200.4 142.0 217.7
Glossophonia complanata 0.1 0.0 0.0 0.3
Hydracarina 4.2 7.5 1.7 2.7
Gammarus pulex 127.5 84.3 3.7 10.0
Baetis rhodani 155.5 177.4 18.0 152.7
Paraleptophlebia submarginata 0.3 0.4 0.7 0.3
Brachyptera risi 0.0 0.3 0.0 0.7
Leuctra hippopus 9.5 10.2 6.3 1.7
Amphinemura sp. 0.2 0.0 0.0 0.0
Nemoura avicularis 0.1 0.3 0.0 0.3
Nemoura sp. 1.7 1.5 0.0 0.3
Calopteryx virgo 0.0 0.1 0.0 0.0
Brychius elevatus 0.1 0.0 0.0 0.0
Haliplus sp. 0.4 0.0 0.0 0.0
Elmis aenea 2.0 3.1 1.0 0.3
Elodes pseudoominuta gr. 0.0 0.1 0.0 0.0
Hydraena gracilis 0.1 0.0 0.0 0.0
Sialis fuliginosa 0.1 0.0 0.0 0.0
Rhyacophila fasciata 0.1 0.0 0.0 0.0
Plectrocnemia conspersa 0.9 0.8 2.0 0.0
Silo pallipes 0.1 0.2 0.7 0.0
Ecclisopteryx dalecarlica 0.0 0.1 0.0 0.0
Potamophylax latipennis 0.1 0.1 0.0 0.0
Limnephilidae 0.3 0.2 0.0 0.3
Ptychoptera sp. 0.0 0.0 0.0 0.0
Dicranota sp. 5.8 5.3 1.0 0.7
Eleophila sp. 0.0 0.1 0.0 0.0
Tipulidae 0.0 0.0 0.3 0.3
Simuliidae 0.1 0.6 1.0 1.7
Tanypodinae 13.5 13.3 6.3 1.3
Prodiamesa olivacea 21.8 21.3 6.7 9.0
Orthocladiinae 22.2 31.4 14.0 25.7
Chironomini 3.2 8.3 7.7 2.7
Tanytarsini 257.5 201.5 107.7 158.7
Heleinae 0.1 0.0 0.0 0.0
Empedidae 0.1 0.2 0.0 0.3
Bithynia leachi 0.1 0.0 0.0 0.0
Lymnea palustris 0.1 0.1 0.0 0.3
Radix balthica 0.2 0.3 0.0 1.3
Pisidium sp. 0.1 0.0 0.0 0.0

B.2. Taxon sammensætningen af smådyr i bladpakker i 6 store strømrender, Lemming: 3 kontrolrender og 3 render, hvis nedstrøms halvdele blev behandlet med en 90 min puls med lambda-cyhalothrin (5,0 µg l-¹). Tallene angiver gennemsnitligt antal individer pr. bladpakke (N=5).

Taxa Ubehandlede
render -
opstrøms
Ubehandlede
render -
nedstrøms
NS behandlede
render -
dag 7
NS behandlede
render -
dag 30
Dugesia gonocephala 0.6 0.1 0.0 0.0
Oligochaeta 261.7 274.8 260.7 274.0
Eiseniella tetraedra 0.3 0.2 0.0 0.0
Glossophonia complanata 1.9 0.0 0.0 0.0
Hydracarina 9.5 19.9 1.0 1.3
Ostracoda 46.7 15.3 2.7 2.7
Gammarus pulex 118.9 38.5 1.3 1.7
Baetis rhodani 9.2 25.3 4.3 29.0
Paraleptophlebia submarginata 1.7 1.8 0.0 0.0
Taeniopteryx nebulosa 0.2 0.3 0.3 0.3
Leuctra hippopus 33.2 11.0 1.7 0.3
Leuctra sp. 9.4 4.0 0.3 0.0
Amphinemura sp. 0.0 0.1 0.0 0.0
Nemoura avicularis 2.1 2.7 0.7 0.0
Nemoura sp. 1.8 1.1 0.3 0.0
Isoperla gramatica 0.0 0.1 0.0 0.0
Calopteryx virgo 0.1 0.0 0.0 0.0
Pyrrhosoma nymphula 0.0 0.1 0.0 0.0
Dytiscidae 0.7 0.3 0.0 0.0
Haliplus sp. 0.6 0.2 0.0 0.0
Elmis aenea 8.5 5.8 0.0 1.7
Elodes pseudominuta gr. 0.1 0.0 0.0 0.0
Sialis lutaria 0.4 0.1 0.0 0.0
Rhyacophila fasciata 0.0 0.1 0.0 0.0
Rhyacophila nubila 0.3 0.2 0.0 0.0
Rhyacophila spp. 0.2 0.3 0.0 0.3
Plectrocnemia conspersa 4.3 3.0 2.0 0.3
Lype reducta 0.1 0.0 0.0 0.0
Silo pallipes 0.2 0.0 0.0 0.0
Potamophylax latipennis 0.3 0.1 0.0 0.0
Limnephilidae 1.1 0.4 0.3 0.0
Sericostoma personatum 0.2 0.0 0.0 0.0
Dicranota sp. 6.3 7.1 1.0 1.0
Eleophila sp. 0.1 0.1 0.0 0.0
Eriopterinae 0.0 0.1 0.0 0.0
Tipulidae 0.2 0.0 0.3 0.3
Simuliidae 0.0 0.1 0.3 0.0
Tanypodinae 22.5 13.5 12.3 2.3
Prodiamesa olivacea 42.3 20.3 40.3 7.7
Orthocladiinae 142.7 107.7 52.7 55.0
Chironomini 30.8 34.8 22.3 4.7
Tanytarsini 443.0 295.1 362.3 152.0
Chironomidae, pupper 2.5 4.3 0.7 0.7
Chironomus sp. 0.9 0.0 1.7 0.0
Psychodidae 0.0 0.0 0.3 0.0
Bezzia sp. 0.1 0.0 0.0 0.0
Heleinae 0.1 0.0 0.0 0.0
Empedidae 0.4 0.6 1.0 0.3
Potamopyrgus antipodarum 0.1 0.0 0.0 0.0
Ancylus fluviatilis 0.1 0.0 0.0 0.0
Lymnea stagnalis 0.0 5.3 0.0 0.7
Lymnea palustris 0.4 0.0 0.0 0.0
Radix balthica 7.2 1.7 2.7 1.0
Pisidium sp. 0.6 0.0 0.0 0.0

 



Version 1.0 Juli 2009, © Miljøstyrelsen.