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Potentialité

linéaire nulles à générale

étudié très faibles (note sur 4)

Phytophile 74% 21% 0% 5% 0% 0,36

Lithophile 21% 26% 11% 37% 5% 2,00

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 67% 22% 0% 11% 0% 0,55

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 58% 5% 5% 32% 0% 1,10

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 11% 33% 17% 6% 33% 2,16D 180 m

Tronçons Guildes faibles moyennes satisfaisantes excellentes

190 m

B 180 m

Potentialités de croissance

C 180 m

A

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Potentialité



Phytophile 90% 10% 0% 0% 0% 0,10

Lithophile 40% 45% 10% 5% 0% 0,80

Phytophile 95% 0% 0% 5% 0% 0,15

Lithophile 60% 25% 15% 0% 0% 0,55

Phytophile 95% 5% 0% 0% 0% 0,05

Lithophile 90% 0% 10% 0% 0% 0,20

Phytophile 90% 0% 0% 0% 10% 0,40

Lithophile 35% 35% 20% 10% 0% 1,05

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 90% 10% 0% 0% 0% 0,10

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 100% 0% 0% 0% 0% 0,00

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 65% 10% 20% 5% 0% 0,65

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 80% 10% 10% 0% 0% 0,30

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 95% 5% 0% 0% 0% 0,05

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 50% 25% 25% 0% 0% 0,75

Phytophile 100% 0% 0% 0% 0% 0,00

Lithophile 61% 22% 0% 17% 0% 0,72

D 200 m

Tronçons Guildes faibles moyennes satisfaisantes excellentes

200 m

B 200 m

Potentialités de croissance

C 200 m

A

I 200 m

E 200 m

F 200 m

J 200 m

K 180 m

G 200 m

H 200 m

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potentialité



A 200 m 0% 5% 40% 15% 40% 2,90

B 200 m 15% 10% 30% 40% 5% 2,10

C 200 m 75% 0% 5% 15% 5% 0,75

D 200 m 15% 40% 25% 10% 10% 1,60

E 200 m 15% 75% 5% 0% 5% 1,05

F 200 m 0% 75% 25% 0% 0% 1,25

G 200 m 30% 25% 20% 25% 0% 1,40

H 200 m 55% 15% 30% 0% 0% 0,75

I 200 m 85% 0% 0% 15% 0% 0,45

J 200 m 5% 15% 45% 30% 5% 2,15

K 180 m 0% 0% 22% 11% 67% 3,44

Tronçons faibles moyennes satisfaisantes excellentes

Potentialités nutritives

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linéaire

étudié

Phytophile 0,00

Lithophile 0,00

Phytophile 0,00

Lithophile 0,00

Phytophile 0,00

Lithophile 0,00

Phytophile 0,00

Lithophile 0,00

Tronçon B 180 m

Tronçon A 190 m

Impact Global

(IG)

Tronçon C 180 m

IMPACT DES AMENAGEMENTS SUR LES POTENTIALITES PISCICOLES DE FRAI

Tronçon D 180 m

Bezons Guildes

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linéaire

étudié

Phytophile 0,00

Lithophile -0,05

Phytophile 0,00

Lithophile 0,00

Phytophile 0,00

Lithophile 0,00

Phytophile 0,00

Lithophile -0,05

IMPACT DES AMENAGEMENTS SUR LES POTENTIALITES PISCICOLES DE CROISSANCE

Impact Global

(IG)Guildes

Tronçon D 180 m

Tronçon C

Tronçon B

Tronçon A 190 m

180 m

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linéaire

étudié

Phytophile 0,00

Lithophile 0,00

Phytophile 0,00

Lithophile 0,00

Phytophile -0,40

Lithophile -0,75

IMPACT DES AMENAGEMENTS SUR LES POTENTIALITES PISCICOLES DE FRAI

Tronçon C 200 m

Guerville/Mantes-la-Jolie GuildesImpact Global

(IG)

Tronçon B 200 m

Tronçon D 200 m

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linéaire

étudié

Phytophile 0,00

Lithophile -0,10

Phytophile 0,00

Lithophile -0,10

Phytophile -0,40

Lithophile -1,05

IMPACT DES AMENAGEMENTS SUR LES POTENTIALITES PISCICOLES DE CROISSANCE

Impact Global

(IG)Guildes

Tronçon C 200 m

Tronçon B 200 m

Tronçon D 200 m

Guerville/Mantes-la-Jolie

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linéaire

étudié

Tronçon B 200 m 0,00

Tronçon C 200 m 0,00

Tronçon D 200 m -1,60

IMPACT DES AMENAGEMENTS SUR LES POTENTIALITES NUTRITIVES DES

POISSONS

Impact Global

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linéaire

étudié

Tronçon B 200 m 0,10

Tronçon C 200 m 0,20

Tronçon D 200 m -1,80

IMPACT DES AMENAGEMENTS SUR LES POTENTIALITES D'ABRIS POUR LES

POISSONS

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© janvier 2011 – DRIEE ILE-DE-FRANCE – Tous droits réservés

Méthode utilisée : Protocole expérimental d’échantillonnage des « macroinvertébrés » en cours d’eau profond(Décembre 2009) et Norme XP T 90-388 (juin 2010)

« équivalent IBGA »: 10 Groupe indicateur : 2 Variété : 30

Prélèvement effectué le 29/07/201012 prélèvements unitaires regroupés en 3 Phases (A, B et C)

TaxonsPhases

A B C

Ecnomus 8 72

Ceraclea 2

Lype 1

Caenis 68 56 528

Oulimnius 2

Chironomidae 172 128 1416

Coenagrionidae 9

Sisyra 8

Corophium 2 117

Crangonyx 1

Dikerogammarus 88 8 3

Cladocères P P

Ostracodes P P

Asellidae 1 5

Corbicula 55 148 45

Dreissena 7 17

Pisidium 6 67 1584

Sphaerium 2

Acroloxus 3 13

Ancylus 5 2 2

Bithynia 2 7 19

Ferrissia 8 23

Potamopyrgus 5 15 123

Radix 6 5

Physa 4 2

Physella 7

Planorbidae 12 29

Valvata 1 42 12

Erpobdellidae 1 14 48

Glossiphoniidae 2 12 32

Piscicola 1 2

Oligochètes 752 58 348

Hypania 4 48 54

Dugesia 1

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Nemathelmintha P PSources : Données AESN

Remarques :Les effectifs des phases A, B et C sont utilisés pour le calcul de l’ «équivalent IBGA» (application des règles decalcul de la norme IBGN - NF T 90-350).P : Présence

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TaxonsPhases

A B C TOTAL

Ecnomus 0 0 12 12

Mystacides 0 0 1 1

Baetis 1 0 0 1

Caenis 1 108 42 151

Chironomidae 43 174 955 1172

Sisyra 0 0 1 1

Corophium 1 126 163 290

Echinogammarus 0 0 1 1

Gammarus 0 0 2 2

Dikerogammarus 186 1333 165 1684

Cladocères 0 0 p 0

Branchiura 1 0 0 1

Ostracodes 0 p p 0

Mysidae 0 0 4 4

Asellidae 0 0 2 2

Jaera 3 2656 6 2665

Corbicula 0 970 519 1489

Dreissena 2 3 2 7

Pisidium 5 704 304 1013

Sphaerium 0 160 144 304

Unio 0 1 1 2

Acroloxus 0 4 1 5

Ancylus 6 6 4 16

Bithynia 0 84 44 128

Ferrissia 12 28 64 104

Potamopyrgus 10 384 94 488

Radix 1 0 0 1

Physella 0 0 1 1

Planorbidae 0 80 1 81

Valvata 0 54 144 198

Erpobdellidae 0 260 15 275

Glossiphoniidae 0 37 18 55

Piscicola 0 0 1 1

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Oligochètes 1 1414 1654 3069

Hypania 1 1348 414 1763

Dendrocoelidae 0 1 0 1

Nemathelmintha 0 p p 0

Hydra p p p 0

Spongiaires p p p 0

Bryozoaires 0 0 p 0Source: données AESN


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TaxonsPhases

A B C

Ecnomus 20

Hydropsyche 1

Hydroptila 1

Orthotrichia 1

Cyrnus 2 2

Neureclepsis 9

Lype 1

Caenis 32 6 4

Haliplus 9 5


Calopteryx 1

Coenagrionidae 5 9

Sisyra 2

Cladoceres 1 1 1

Hemimysis 5

Asellidae 20 4 10

Gammaroidea 40 4


Acroloxus 4

Bithynia 20 1

Ferrissia 12 6

Potamopyrgus 3

Radix 3

Physa acuta 1 1

Physidae 1

Hippeutis 1

Valvata 1

Viviparus 1

Corbicula 4 79 107

Dreissena 1 4 21

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Pisidium 5 1 12

Sphaerium 1

Unio 1

Dendrocoelum 1

Dugesia 18 3 8


Glossiphonia 13

Helobdella 2 1

Piscicola 1

Oligochaeta 15 137 172

Hypania 2 1 20

Bryozoa 1

Mermithoïdea 1 1

Prostoma 1

Spongillidae 1 1Sources : Données DRIEE-IF

Remarques :Les effectifs des phases A, B et C sont utilisés pour le calcul de l’ «équivalent IBGA» (application des règles decalcul de la norme IBGN - NF T 90-350).

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TaxonsPhases

A B C

Ecnomus 3 8 54

Hydropsyche 0 12 0

Hydroptila 1 0 2

Mystacides 1 1 2

Oecetis 0 0 1

Cyrnus 17 0 7

Neureclepsis 0 4 15

Tinodes 1 0 0

Caenis 1040 384 120

Haliplus 7 0 3

Anthomyidae 2 0 0

Ceratopogonidae 2 1 0


Sisyra 1 1 6

Crambidae = Pyralidae 1 0 0


Cladocères p p p

Branchiura p 0 0

Asellidae 5 17 19

Corbicula 0 228 76

Dreissena 0 4 11

Pisidium 112 116 148

Sphaerium 20 52 28

Acroloxus 0 14 26

Bithynia 16 9 3

Ferrissia 7 50 88

Potamopyrgus 16 0 0

Radix 18 0 0

Physella 1 0 0

Planorbidae 5 0 1

Valvata 6 3 0



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Hypania 0 50 124

Dendrocoelidae 0 1 0

Dugesia 15 2 0

Mermithidae p p p

Hydra 0 p p

Bryozoaires p p pSources : Données AESN


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TaxonsPhases

A B C TOTAL

Ecnomus 11 1 45 57

Hydropsyche 0 2 14 16

Hydroptila 0 0 1 1

Athripsodes 0 1 0 1

Ceraclea 0 24 38 62

Mystacides 0 2 1 3

Oecetis 0 0 3 3

Cyrnus 9 0 21 30

Neureclepsis 5 0 19 24

Lype 0 0 1 1

Tinodes 0 0 1 1

Baetis 1 0 0 1

Caenis 2 188 124 314

Electrogena 0 1 0 1


Empididae 0 0 2 2

Calopteryx 1 0 0 1

Sisyra 0 2 4 6

Corophium 0 0 1 1


Cladocères 0 0 P 0

Ostracodes P P P 0

Orconectes 0 0 1 1

Asellidae 1 84 54 139

Jaera 0 13 8 21

Corbicula 0 73 84 157

Dreissena 0 3 0 3

Pisidium 26 110 1344 1480

Sphaerium 0 2 0 2

Anodonta 0 0 2 2

Unio 0 0 3 3

Acroloxus 1 34 10 45

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Ancylus 2 0 15 17

Bithynia 12 25 12 49



Radix 6 0 0 6

Physella 5 1 14 20

Planorbidae 0 1 0 1

Valvata 132 12 25 169



Piscicola 1 0 4 5

Oligochètes 108 984 1762 2854

Hypania 4 92 672 768

Dendrocoelum 0 3 2 5

Dugesia 0 5 9 14

Nemathelmintha P P P 0

Prostoma 0 P P 0

Cordylophora 0 P 0 0

Hydra P 0 P 0

Spongiaires 0 P P 0

Bryozoaires P P P 0Source: données AESN


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TaxonsA B C

Ecnomus 2 44 9

Hydroptila 1 1

Orthotrichia 2

Ceraclea 1

Oecetis 2

Cyrnus 6 1

Neureclepsis 9

Baetidae 1

Caenis 31 3 1

Haliplus 2


Coenagrionidae 5

Sisyra 1

Dikerogammarus 3 456

Cladocères P

Copepodes P

Asellidae 2

Corbicula 96 476 2321

Dreissena 31 91

Pisidium 5 5

Unio 1 1

Acroloxus 1

Ancylus 4

Bithynia 52 4

Ferrissia 12 12

Potamopyrgus 2

Lymnaeidae 1

Physella 4

Physidae 1

Planorbidae 1

Valvata 4

Viviparus 1



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Oligochètes 23 31

Hypania 3 1

Dugesia 1 1

Nemathelmintha P

Hydrozoaires P

Spongiaires P P

Bryozoaires P P PSources : Données AESN


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TaxonsPhases

A B C

Ecnomus 2 22 42

Hydropsyche 0 1 1

Hydroptila 2 1 0

Ceraclea 0 2 0

Mystacides 6 0 1

Oecetis 0 6 0

Cyrnus 3 0 12

Neureclepsis 0 312 78

Tinodes 9 0 0

Cloeon 6 0 0

Caenis 132 640 368

Haliplus 1 0 2

Ceratopogonidae 2 0 0


Simuliidae 0 1 0

Tipulidae 1 0 0

Calopteryx 0 1 0

Coenagrionidae 6 0 0

Sisyra 1 4 0

Corophium 0 2 0

Gammarus 0 0 2


Cladocères p p p

Copepodes p p 0

Limnomysis 1 0 0

Asellidae 16 1 0

Jaera 0 29 0

Corbicula 2 574 195

Dreissena 0 238 3

Pisidium 36 640 44

Sphaerium 4 3 2

Acroloxus 0 76 3

Ancylus 0 0 124

Bithynia 6 39 2

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Ferrissia 8 832 88

Radix 12 3 0

Physella 16 0 0

Planorbidae 0 1 0

Viviparus 1 0 0



Piscicola 0 1 1


Hypania 1 256 116

Dugesia 20 88 1

Mermithidae 0 0 p

Prostoma 0 p 0

Hydracariens p p 0

Cordylophora 0 p 0

Hydra p p p

Spongiaires 0 0 p

Bryozoaires p p pSources : Données AESN


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TaxonsPhases

A B C TOTAL

Ecnomus 7 1 4 12

Hydropsyche 0 1 4 5

Hydroptila 1 0 1 2

Ceraclea 1 20 3 24

Mystacides 1 0 0 1

Oecetis 0 6 1 7

Cyrnus 23 0 3 26

Neureclepsis 0 1 6 7

Tinodes 1 0 0 1

Caenis 6 18 104 128

Heptageniidae 0 2 0 2

Mesovelia 2 0 0 2

Elmis 0 1 0 1

Esolus 0 0 1 1

Athericidae 0 1 0 1


Empididae 8 0 0 8

Simuliidae 0 1 0 1

Stratiomyidae 0 0 1 1

Coenagrionidae 2 0 0 2

Sialis 0 0 1 1

Sisyra 0 1 1 2

Crangonyx 1 0 0 1


Cladocères 0 p 0 0

Ostracodes p 0 p 0

Asellidae 1 3 2 6

Jaera 11 2688 136 2835

Corbicula 2 209 135 346

Dreissena 2 55 8 65

Pisidium 11 11 624 646

Sphaerium 0 6 32 38

Unio 0 0 2 2

Acroloxus 0 40 3 43

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Ancylus 1 56 18 75

Bithynia 0 104 92 196



Radix 6 0 1 7

Physella 2 0 2 4

Planorbidae 0 0 2 2

Valvata 0 0 10 10

Viviparus 2 0 17 19



Piscicola 0 0 2 2

Oligochètes 9 66 2496 2571

Hypania 37 324 416 777

Dendrocoelidae 0 1 0 1

Dugesia 0 6 2 8

Nemathelmintha p 0 p 0

Prostoma 0 0 p 0

Hydracariens 0 p 0 0

Hydra 0 0 p 0

Spongiaires 0 p p 0

Bryozoaires p 0 p 0

Source: Données AESN


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Prélèvement du 29/08/2011

Taxon Nombre d’individus

Eolimna minima(Grunow) Lange-Bertalot 225

Amphora pediculus (Kützing) Grunow 48

Achnanthidium exiguum (Grunow) Czarnecki 17

Nitzschia amphibia Grunow f.amphibia 16

Planothidium rostratum (Oestrup) Lange-Bertalot 12

Staurosira venter (Ehr.) Cleve & Moeller 11

Gomphonema lingulatiformis Lange-Bertalot & Reichardt 9

Cyclotella atomus Hustedt 8

Navicula veneta Kützing 8

Navicula cryptotenella Lange-Bertalot 8

Eolimna subminuscula (Manguin) Moser Lange-Bertalot & Metzeltin 6

Achnanthidium eutrophilum (Lange-Bertalot)Lange-Bertalot 5

Navicula antonii Lange-Bertalot 5

Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum 5

Nitzschia paleacea (Grunow) Grunow in van Heurck 5

Fragilaria capucina Desmazieres var.vaucheriae(Kützing)Lange-Bertalot 4

LUTICOLA D.G. Mann 3

Encyonema ventricosum (Agardh) Grunow 3

Nitzschia inconspicua Grunow 3

Navicula tripunctata (O.F.Müller) Bory 3

Rhoicosphenia abbreviata (C.Agardh) Lange-Bertalot 3

Cocconeis placentula Ehrenberg var.euglypta (Ehr.) Grunow 3

Diatomée non identifiée vue connective 2

Melosira varians Agardh 2

Navicula(dicta) seminulum (Grunow) Lange Bertalot 2

Kolbesia gessneri (Hustedt) Aboal 2

Nitzschia solgensis Cleve-Euler 2

Gomphonema minutum(Ag.)Agardh f. minutum 2

Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot 1

Cyclostephanos invisitatus(Hohn & Hellerman)Theriot Stoermer & Hakansson 1

Gomphonema augur Ehrenberg 1

Gomphonema olivaceum (Hornemann) Brébisson var. olivaceum 1

Cymbella leptoceros(Ehrenberg)Kützing 1

Nitzschia filiformis (W.M.Smith) Van Heurck var. filiformis 1

Stephanodiscus hantzschii Grunow in Cl. & Grun. 1880 1

NITZSCHIA A.H. Hassall 1

Geissleria acceptata (Hust.) Lange-Bertalot & Metzeltin 1

Navicula capitatoradiata Germain 1

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Achnanthidium minutissimum (Kützing) Czarnecki 1

Amphora inariensis Krammer 1

Fragilaria pinnata Ehrenberg var. pinnata 1

Gomphonema italicum Kützing 1

Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot 1@+,-?$( . !+33<$( !CGDD G5$ %$ V-"3?$

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<AB C 76D9 T"-'<#< #"U+3+&'4,$ . ;Y DVV$?#'V . ;87

Prélèvement effectué le 29/06/2012

TaxonsNombre

d'individus









Sellaphora seminulum (Grunow) D.G. Mann 8


Navicula rotunda Hustedt 6


Mayamaea atomus var. permitis (Hustedt) Lange-Bertalot 5


Cocconeis pediculus Ehrenberg 4

Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot 4





Navicula veneta Kützing 3


Luticola goeppertiana (Bleisch in Rabenhorst) D.G. Mann 3

Nitzschia dissipata(Kützing)Grunow var.dissipata 2

Caloneis bacillum (Grunow) Cleve 2

Nitzschia fonticola Grunow in Cleve et Möller 2

Platessa conspicua (A.Mayer) Lange-Bertalot 2


Navicula gregaria Donkin 2

Stephanodiscus hantzschii fo.tenuis(Hustedt)Hakansson et Stoermer 1

Cyclostephanos dubius (Fricke) Round 1



Navicula joubaudii Germain 1

Navicula lanceolata (Agardh) Ehrenberg 1

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Diatoma vulgaris Bory 1

Nitzschia palea (Kützing) W.Smith 1

Craticula molestiformis (Hustedt) Lange-Bertalot 1@+,-?$( . !+33<$( !CGDD G5$ %$ V-"3?$

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<CD E 76 S"-'6#6 #"T+3+&'4,$ . ;R CUU$>#'U . ;9R

Prélèvement du 25/08/2011

Taxon Nombre d’individus









Navicula subminuscula Manguin 12






Diatomée non identifiée vue connective 6


Amphora copulata (Kütz) Schoeman & Archibald 5


Gomphonema lingulatiformis Lange-Bertalot & Reichardt 4

Thalassiosira gessneri Hustedt 3





Ulnaria ulna (Nitzsch.) Compère 2

Nitzschia fonticola Grunow in Cleve et Möller 2

Cymbella tumida (Brebisson)Van Heurck 2

Navicula recens (Lange-Bertalot) Lange-Bertalot 2


Fragilaria brevistriata Grunow (Pseudostaurosira) 2

Nitzschia filiformis (W.M.Smith) Van Heurck var. filiformis 2

Stephanodiscus hantzschii Grunow in Cl. & Grun. 1880 1

Pleurosira laevis (Ehrenberg) Compere f.laevis Ehrenberg 1

Thalassiosira bramaputrae (Ehr.) Hakansson & Locker 1

Cyclotella meneghiniana Kützing 1


Eunotia formica Ehrenberg 1

Amphora inariensis Krammer 1

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Amphora ovalis (Kützing) Kützing 1

Asterionella formosa Hassall 1


Nitzschia supralitorea Lange-Bertalot 1

Gomphonema italicum Kützing 1

Thalassiosira weissflogii (Grunow) Fryxell & Hasle 1

Nitzschia subacicularis Hustedt in A.Schmidt et al. 1

Cyclostephanos invisitatus(Hohn & Hellerman)Theriot Stoermer & Hakansson 1?+,->$( . !+336$( !BFCC F5$ %$ U-"3>$

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<CD E 76GF S"-'6#6 #"T+3+&'4,$ . ;R CUU$>#'U . ;98

Prélèvement effectué le 29/06//2012

TaxonsNombre

d'individus








Cocconeis placentula Ehrenberg var.euglypta (Ehr.) Grunow 8

Gomphosphenia lingulatiformis (Lange-Bertalot & Reichardt) Lange-Bertalot 8


Discostella pseudostelligera (Hustedt) Houk et Klee 7


Stephanodiscus hantzschii fo.tenuis(Hustedt)Hakansson et Stoermer 6



Gomphonema affine Kützing 3


Aulacoseira ambigua (Grunow) Simonsen 3

Fragilaria brevistriata Grunow (Pseudostaurosira) 3

Amphora copulata (Kütz) Schoeman & Archibald 3


Cyclostephanos dubius (Fricke) Round 2






Caloneis bacillum (Grunow) Cleve 2



Thalassiosira pseudonana Hasle et Heimdal 2

Gomphonema olivaceoides Hustedt 1

Karayevia clevei(Grunow) Bukhtiyarova 1

Thalassiosira gessneri Hustedt 1

Navicula rotunda Hustedt 1

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Cyclostephanos invisitatus(Hohn & Hellerman)Theriot Stoermer & Hakansson 1

Sellaphora seminulum (Grunow) D.G. Mann 1


Ellerbeckia arenaria (Moore) Crawford 1

Surirella angusta Kützing 1

Fallacia sublucidula (Hustedt) D.G. Mann 1


Surirella linearis W.M.Smith 1


Cymatopleura solea (Brebisson in Breb. & Godey) W.Smith var.solea 1

Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot 1?+,->$( . !+336$( !BFCC F5$ %$ U-"3>$

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