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Master thesis

Réalisation du suivi piscicole 2015 de la Seine et de la Marne au sein de l'agglomération parisienne

Abstract : As part of one of these missions, Dubost Environment and aquatic environments ensures the fish followed the Seine and Marne in the Paris area since 2012. The Interdepartmental syndicate for sanitation in the Paris area (SIAAP ), is investing in the establishment and renovation of its wastewater system. But also the diversification of fish habitats. To check the impact of their work, an inventory is made of fish downstream of sewage treatment plants 7 SIAAP. This document shows the general evolution of the fish population of the Seine and Marne since 2007 to today. The main species found during the 2015 fishing year are roach, eel, nase, perch and chub. The Seine and the Marne have a majority of indigenous fish. However some species that can cause ecological disturbances are regularly caught as Pseudorasbora, perch sun, rusty crayfish, crayfish from Louisiana ... Their presence is relatively trivial for the year 2015. The notes IPR (index Fish River) are between 4.7 and 18.6, reflecting a relatively decent environment over much of the linear. All stations meet the good state, except the Paris station which is of average quality. The physical state of these rivers (anthropisation banks, pipeline, reservoirs ...), located in the heart of the Paris area, is the main obstacle to the development of aquatic life.
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Submitted on : Monday, July 2, 2018 - 2:12:59 PM
Last modification on : Saturday, April 30, 2022 - 4:03:12 PM
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Ghislain Bagard. Réalisation du suivi piscicole 2015 de la Seine et de la Marne au sein de l'agglomération parisienne. Sciences de la Terre. 2015. ⟨hal-01827513⟩

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