Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 647 ko
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Date prélèvement | 24/09/2019 | ||||||||||||||||||||||||||||||||
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Méthode | Petit cours d'eau | ||||||||||||||||||||||||||||||||
IBG |
20.0
|
||||||||||||||||||||||||||||||||
GFI | 9 | ||||||||||||||||||||||||||||||||
Variété taxonomique | 48 | ||||||||||||||||||||||||||||||||
Taxon indicateur | Taeniopterygidae | ||||||||||||||||||||||||||||||||
I2M2 |
0.9691
|
Substrat | Recouvrement (%) | Définition |
---|---|---|
Bryophytes | 0.0 | marginal |
Hydrophytes | 0.0 | marginal |
Litieres | 1.0 | marginal |
Branchage, racines | 4.0 | marginal |
Pierres, galets | 81.0 | dominant |
Blocs | 1.0 | marginal |
Granulats | 2.0 | marginal |
Helophytes | 0.0 | marginal |
Vases | 1.0 | marginal |
Sables | 7.0 | dominant |
Algues | 0.0 | marginal |
Dalles, argiles | 3.0 | marginal |
Microprélèvement | Substrat | Vitesse | Phase |
---|---|---|---|
P1 | Litieres | Lente | A |
P2 | Branchage, racines | Moyenne | A |
P3 | Blocs | Moyenne | A |
P4 | Granulats | Moyenne | A |
P5 | Pierres, galets | Moyenne | B |
P6 | Sables | Lente | B |
P7 | Pierres, galets | Lente | B |
P8 | Pierres, galets | Rapide | B |
P9 | Pierres, galets | Nulle | C |
P10 | Pierres, galets | Moyenne | C |
P11 | Pierres, galets | Lente | C |
P12 | Pierres, galets | Rapide | C |
Taxon | Code SANDRE | A | B | C |
---|---|---|---|---|
Leuctra | 69 | 14 | 14 | 45 |
Protonemura | 46 | 4 | ||
Perlodes | 150 | 1 | ||
Taeniopteryx | 14 | 22 | 7 | |
Beraeodes | 329 | 1 | ||
Silo | 292 | 1 | 2 | 2 |
Cheumatopsyche | 221 | 1 | ||
Hydropsyche | 212 | 97 | 12 | 67 |
Hydroptilidae | 193 | 1 | ||
Ithytrichia | 198 | 16 | ||
Lepidostomatidae | 304 | 26 | 1 | 24 |
Lasiocephala | 307 | 10 | 4 | |
Lepidostoma | 305 | 11 | ||
Leptoceridae | 310 | 1 | ||
Adicella | 320 | 6 | ||
Athripsodes | 311 | 1 | 1 | |
Mystacides | 312 | 6 | 3 | |
Oecetis | 317 | 7 | 1 | |
Limnephilinae | 3163 | 1 | ||
Odontocerum | 339 | 2 | ||
Rhyacophila lato-sensu | 183 | 7 | 5 | 3 |
Sericostomatidae | 321 | 55 | 28 | 14 |
Sericostoma | 322 | 10 | 15 | 3 |
Baetis lato sensu | 9794 | 95 | 42 | 45 |
Centroptilum | 383 | 1 | ||
Caenis | 457 | 1 | 2 | |
Ephemerella ignita | 451 | 24 | 4 | 1 |
Ephemera | 502 | 5 | 1 | |
Heptageniidae | 399 | 2 | 1 | |
Ecdyonurus | 421 | 1 | 2 | 6 |
Epeorus | 400 | 4 | 4 | 10 |
Heptagenia | 443 | 2 | ||
Leptophlebiidae | 473 | 1 | 1 | 1 |
Oligoneuriella | 394 | 1 | 3 | 6 |
Micronecta | 719 | 2 | ||
Gerris | 735 | 1 | ||
Nepidae | 725 | 1 | ||
Pomatinus | 611 | 4 | ||
Colymbetinae | 2395 | 2 | ||
Dupophilus | 620 | 4 | 8 | 8 |
Elmis | 618 | 182 | 41 | 42 |
Esolus | 619 | 78 | 26 | 40 |
Limnius | 623 | 15 | 22 | 10 |
Oulimnius | 622 | 1 | ||
Orectochilus | 515 | 17 | 1 | 5 |
Helodes | 636 | 1 | ||
Hydraena | 608 | 3 | 2 | |
Athericidae | 838 | 1 | 5 | 9 |
Blephariceridae | 747 | 6 | 1 | |
Ceratopogonidae | 819 | 4 | ||
Chironomidae | 807 | 72 | 31 | 26 |
Empididae | 831 | 1 | 2 | |
Limoniidae | 757 | 14 | 10 | 5 |
Simuliidae | 801 | 80 | 6 | 24 |
Tabanidae | 837 | 1 | ||
Boyeria | 670 | 1 | ||
Gomphidae | 678 | 1 | ||
Onychogomphus | 682 | 2 | ||
Calopteryx | 650 | 145 | 6 | 4 |
Gammarus | 892 | 33 | 3 | 3 |
Sphaeriidae | 1042 | 6 | 3 | |
Pisidium | 1043 | 4 | 2 | |
Potamopyrgus | 978 | 16 | 12 | 4 |
Physa (sensu lato) | 997 | 1 | ||
Planorbidae | 1009 | 1 | ||
Ancylus | 1028 | 9 | 12 | 13 |
Erpobdellidae | 928 | 1 | ||
Oligochaeta | 933 | 25 | 9 | 9 |
Tricladida | 1054 | 1 | ||
Dugesiidae | 1055 | 1 | ||
Nematoda | 1089 | 1 | 1 | |
Gordiaca | 5189 | 2 | ||
Hydracarina | 906 | 9 | 1 | 7 |