Listes faunistiques invertébrés
L'Ourse au niveau d'Izaourt 05183850
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| Date prélèvement | 28/09/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 45 |
| I2M2 | 0.8636 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 58.0 | dominant |
| Blocs | 32.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 5.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Nulle | A |
| P4 | Bryophytes | Moyenne | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Blocs | Lente | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Blephariceridae | 747 | 2 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Gammarus | 892 | 28 | ||
| Gammaridae | 887 | 4 | ||
| Athericidae | 838 | 3 | 9 | 20 |
| Empididae | 831 | 1 | 5 | 4 |
| Chironomidae | 807 | 490 | 66 | 297 |
| Simuliidae | 801 | 39 | 1241 | 920 |
| Limoniidae | 757 | 1 | 1 | 22 |
| Tipulidae | 753 | 1 | ||
| Oligochaeta | 933 | 32 | 33 | 89 |
| Micronecta | 719 | 2 | ||
| Calopteryx | 650 | 4 | 3 | |
| Riolus | 625 | 30 | ||
| Limnius | 623 | 53 | 13 | 15 |
| Oulimnius | 622 | 1 | ||
| Dupophilus | 620 | 12 | 1 | |
| Esolus | 619 | 43 | 43 | 30 |
| Elmis | 618 | 422 | 125 | 555 |
| Nematoda | 1089 | 1 | ||
| Pediciidae | 50011 | 1 | 1 | |
| Lepidostoma basale | 49953 | 1 | 1 | 7 |
| Brachycentrus maculatus | 49101 | 213 | 75 | 60 |
| Leuctra geniculata | 33830 | 1 | 2 | |
| Agapetinae | 9812 | 32 | 22 | 28 |
| Baetis lato sensu | 9794 | 21 | 180 | 113 |
| Hydrozoa | 3168 | 1 | ||
| Prostoma | 3110 | 1 | 1 | 1 |
| Colymbetinae | 2395 | 10 | ||
| Hydraena | 608 | 1 | 5 | 5 |
| Hymenoptera | 1081 | 1 | ||
| Dugesiidae | 1055 | 1 | ||
| Pisidium | 1043 | 2 | ||
| Sphaeriidae | 1042 | 1 | ||
| Ancylus fluviatilis | 1029 | 7 | 16 | 37 |
| Radix | 1004 | 27 | 3 | 110 |
| Lymnaeidae | 998 | 8 | 1 | 26 |
| Theodoxus fluviatilis | 968 | 1 | 1 | |
| Hydroptilidae | 193 | 1 | 4 | |
| Goera pilosa | 288 | 1 | 5 | |
| Micrasema | 268 | 179 | 82 | 630 |
| Psychomyia pusilla | 240 | 1 | ||
| Polycentropus | 231 | 4 | 3 | 14 |
| Polycentropodidae | 223 | 2 | 1 | 1 |
| Hydropsyche | 212 | 202 | 86 | 108 |
| Hydropsychidae | 211 | 15 | 19 | |
| Hydroptila | 200 | 4 | ||
| Ithytrichia | 198 | 3 | 1 | |
| Silo | 292 | 21 | 5 | 10 |
| Agapetus | 191 | 1 | ||
| Glossosoma | 190 | 33 | 9 | |
| Rhyacophila lato-sensu | 183 | 8 | 17 | 35 |
| Perla | 164 | 1 | ||
| Perlidae | 155 | 1 | 1 | |
| Perlodes | 150 | 1 | 1 | |
| Leuctra | 69 | 50 | 28 | |
| Protonemura | 46 | 7 | 3 | |
| Epeorus | 400 | 38 | 25 | |
| Orectochilus | 515 | 25 | 2 | 31 |
| Ephemera | 502 | 2 | 3 | 9 |
| Habroleptoides | 485 | 2 | 2 | |
| Paraleptophlebia | 481 | 3 | ||
| Leptophlebiidae | 473 | 2 | ||
| Caenis | 457 | 27 | 6 | 6 |
| Torleya major | 452 | 6 | 2 | 14 |
| Ephemerella ignita | 451 | 3 | ||
| Rhithrogena | 404 | 1 | 6 | 2 |
| Taeniopteryx | 14 | 5 | ||
| Heptageniidae | 399 | 2 | 1 | |
| Centroptilum luteolum | 384 | 6 | ||
| Sericostoma | 322 | 25 | 4 | 4 |
| Sericostomatidae | 321 | 12 | 8 | 1 |
| Oecetis | 317 | 13 | ||
| Mystacides | 312 | 6 | ||
| Athripsodes | 311 | 13 | 12 | |
| Lepidostomatidae | 304 | 3 |