Macrozoobenthos in the Lower Seine: a Survey from the Perspective of The
Macrozoobenthos in the Lower Seine: a survey from the perspective of the European Water Framework Directive Bram bij de Vaate, Alexander Klink & Peter Paalvast April, 2007 Macrozoobenthos in the Lower Seine: a survey from the perspective of the European Water Framework Directive Bram bij de Vaate2, Alexander Klink3 & Peter Paalvast1 April, 2007 ecoconsult report: 200703 1Ecoconsult, Asterstraat 19, 3135 HA, Vlaardingen, the Netherlands 2Waterfauna, Hydrobiologisch Adviesbureau, Oostrandpark 30, 8212 AP Lelystad, the Netherlands 3Hydrobiologisch Adviesburo Klink bv, Boterstraat 28, 6701 CW Wageningen, the Netherlands Macrozoobenthos in the Lower Seine Contents …………………………………………………………………………. Summary 3 Résumé 5 1. Introduction 7 1.1 Aim 8 2. Material and Methods 9 3. Results 11 5.1 IGBA calculations 22 4. Discussion 25 4.1 Sampling methods 27 4.2 Sampling sites 29 4.3 Assessment procedures 32 4.3.1 Identification level 33 4.3.2 Indices for tidal freshwater zone 35 4.4 Monitoring protocol 37 4.5 Recolonization potentials 38 4.6 Prospects for river rehabilitation 44 5. References 49 Annexes 61 1. Sampling protocol used in the period June 16- 20, 2006 62 2. Identification literature macroinvertebrates 65 3. Identification of macroinvertebrates 71 4. Results identification macroinvertebrates 75 5. Results of IGBA calculations 116 6. Corbicula in the tidal freshwater section of the river Seine 120 1 Macrozoobenthos in the Lower Seine 2 Macrozoobenthos in the Lower Seine Summary …………………………………………………………………………. In the framework of Seine Aval's "Action II-2005-03", entitled: "Etat des peuplement benthiques dans la partie amont de l’estuaire" macroinvertebrates of the tidal freshwater section of the river Seine were sampled in the period June 16-20, 2006.
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