Priority watercourses for the protection of amphihaline migratory fish with a deadline higher than 2021 on the Rhine-Meuse basin.
Amphihaline migratory fish belong to species that are in the ¨#x27; obligation to move between freshwater and sea in order to complete their life history.
All these species breed in rivers and grow at sea except the eel which does the exact opposite and reproduces in the Sargasso Sea.
__Origin__
Bassin-Rhin-Meuse Basin Delegation
Layer developed from BD-CARTHAGE (N_HYDRO_TRONC_BCA_000)
__Partner organisations__
DREAL Grand Est [ex-Lorraine] (Regional Directorate for the Environment, Environment, Planning and Housing Greater East)
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-c075f7a5-dec4-4cd7-b448-922cab6c76c6)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/1ebdcff622fdcff362952616917fd15f06d4a151)
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