Listes faunistiques invertébrés
L'Alzou à Villefranche de Rouergue 05126060
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 12 ko
Date prélèvement | 06/09/2022 | ||||||||||||||||||||||||||||||||
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Méthode | Petit cours d'eau | ||||||||||||||||||||||||||||||||
IBG |
18.0
|
||||||||||||||||||||||||||||||||
GFI | 7 | ||||||||||||||||||||||||||||||||
Variété taxonomique | 42 | ||||||||||||||||||||||||||||||||
I2M2 |
0.6619
|
Substrat | Recouvrement (%) | Définition |
---|---|---|
Bryophytes | ||
Hydrophytes | ||
Litieres | ||
Branchage, racines | 1.0 | marginal |
Pierres, galets | 58.0 | dominant |
Blocs | 6.0 | dominant |
Granulats | 2.0 | marginal |
Helophytes | ||
Vases | ||
Sables | ||
Algues | 3.0 | marginal |
Dalles, argiles | 30.0 | dominant |
Microprélèvement | Substrat | Vitesse | Phase |
---|---|---|---|
P1 | Branchage, racines | Nulle | A |
P2 | Granulats | Nulle | A |
P3 | Algues | Nulle | A |
P4 | Vases | Nulle | A |
P5 | Pierres, galets | Nulle | B |
P6 | Blocs | Nulle | B |
P7 | Dalles, argiles | Nulle | B |
P8 | Pierres, galets | Lente | B |
P9 | Vases | Nulle | C |
P10 | Pierres, galets | Lente | C |
P11 | Dalles, argiles | Lente | C |
P12 | Pierres, galets | Nulle | C |
Taxon | Code SANDRE | A | B | C |
---|---|---|---|---|
Leuctra | 69 | 11 | 56 | |
Brachycentridae | 262 | 1 | ||
Glossosoma | 190 | 1 | ||
Goera pilosa | 288 | 3 | ||
Silo | 292 | 11 | 20 | |
Silo-lithax | 5219 | 2 | ||
Cheumatopsyche lepida | 222 | 5 | 18 | |
Hydropsyche | 212 | 4 | 24 | |
Hydroptila | 200 | 7 | 12 | |
Hydroptilidae | 193 | 1 | 15 | 4 |
Athripsodes | 311 | 6 | 2 | 2 |
Oecetis | 317 | 1 | 1 | |
Limnephilinae | 3163 | 1 | ||
Cyrnus | 224 | 9 | 2 | |
Polycentropus | 231 | 3 | 1 | |
Polycentropodidae | 223 | 1 | 3 | 3 |
Psychomyia pusilla | 240 | 17 | 6 | |
Rhyacophila lato-sensu | 183 | 17 | 3 | |
Centroptilum luteolum | 384 | 2 | 3 | 3 |
Cloeon | 387 | 1 | 2 | |
Procloeon | 390 | 16 | 1 | |
Procloeon bifidum | 391 | 2 | ||
Baetidae | 363 | 2 | 3 | |
Caenis | 457 | 11 | 16 | 29 |
Ephemera | 502 | 4 | ||
Ecdyonurus | 421 | 1 | ||
Heptageniidae | 399 | 2 | ||
Paraleptophlebia | 481 | 5 | 3 | |
Leptophlebiidae | 473 | 3 | 6 | |
Micronecta | 719 | 6 | 67 | 6 |
Dryops | 613 | 1 | ||
Pomatinus substriatus | 33844 | 2 | 6 | |
Laccophilinae | 2394 | 3 | ||
Elmis | 618 | 1 | 80 | 75 |
Esolus | 619 | 22 | 903 | 690 |
Normandia | 624 | 1 | 30 | |
Oulimnius | 622 | 8 | ||
Riolus | 625 | 1 | 15 | |
Orectochilus | 515 | 4 | 4 | |
Hydraena | 608 | 2 | 3 | |
Hydrophilinae | 2517 | 1 | ||
Athericidae | 838 | 3 | 1 | |
Ceratopogonidae | 819 | 2 | ||
Chironomidae | 807 | 134 | 330 | 153 |
Empididae | 831 | 4 | ||
Limoniidae | 757 | 1 | ||
Pediciidae | 50011 | 1 | 6 | |
Simuliidae | 801 | 1 | 1 | 11 |
Tabanidae | 837 | 4 | ||
Tipulidae | 753 | 3 | 3 | |
Zygoptera | 9785 | 2 | ||
Calopteryx | 650 | 5 | 1 | |
Gomphus | 679 | 1 | ||
Onychogomphus | 682 | 3 | 4 | 5 |
Gomphidae | 678 | 9 | 4 | |
Platycnemis | 657 | 15 | ||
Pacifastacus leniusculus | 873 | 1 | ||
Crangonyx pseudogracilis | 5117 | 9 | 7 | 19 |
Gammarus | 892 | 3 | 1 | |
Gammaridae | 887 | 2 | 1 | |
Argulus | 2969 | 1 | 1 | |
Cladocera | 3127 | 1 | 1 | 1 |
Copepoda | 3206 | 1 | 1 | 1 |
Ostracoda | 3170 | 1 | 1 | |
Hydracarina | 906 | 1 | 1 | 1 |
Pisidium | 1043 | 8 | 1 | 1 |
Potamopyrgus antipodarum | 979 | 37 | 1 | |
Hydrobiidae | 973 | 25 | 2 | |
Theodoxus fluviatilis | 968 | 20 | 13 | |
Physa (sensu lato) | 997 | 106 | 5 | 2 |
Physella | 19280 | 37 | 1 | |
Physidae | 995 | 14 | 7 | 2 |
Ancylus fluviatilis | 1029 | 2 | 31 | 24 |
Planorbidae | 1009 | 1 | ||
Erpobdellidae | 928 | 1 | ||
Oligochaeta | 933 | 44 | 447 | 260 |
Dugesiidae | 1055 | 2 | 2 | |
Prostoma | 3110 | 1 | ||
Hydrozoa | 3168 | 2 | 2 | |
Bryozoa | 1087 | 1 |