Monitoring of fish stocks in the river Oir

Monitoring of fish stocks in the river Oir

On the Oir, in addition to the monitoring carried out at the trapping stations, various fish population monitoring operations are conducted throughout the river system.

The data from these various monitoring programmes are available in the annual report.

	IA SAT "Salmon" Abundance Indices These indicators (number of juveniles caught per five minutes of fishing) (Prévost et al 1993) have generally been carried out in late September since 1993 See : Salmon juvenils	Voir
	IAT (VIGITRUITE®) Trout Abundance Indices Since 2006, IAT have generally been carried out in late September using the "Vigitruite®" method (Roussel 2004) See : Trout juvenils	Voir
	Lampreys juvenils Abondances' lamprey indicators (Lasne 2010) have been compiled in the autumn since 2009 See : Lampreys juvenils
	IAA eel stock Since 2008, IAA tests have generally been carried out in late September See : Stock Eel
	Fish stock (all species) These surveys, covering all species except lampreys, have generally been carried out in late September since 2008. See : Fish Stock

See also

Migration control station Oir

Individual tagging and recapture Oir

Environmental characteristics Oir

Modification date: 19 March 2026 | Publication date: 07 January 2015 | By: ORE DiaPFC

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