ACTION D.2: Monitoring the target fish population of the water bodies

Sampling to determine if it is a relictual population or if some sturgeons arrive naturally to the targeted area of the project.

Execution dates: from 01-01-2015 to 31-03-2018

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Eel marking at Ebre river

After data gathering and with anew location for the new river data receivers, this Autumn 2018, PNDE, IRTA and CERM technical experts have been working together in electrical fishing to capture, measure and mark adult eels and free them to track their movements in Ebre river. In addition, the effectiveness of the new fish passes […]

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Sea lampreys at Ebro Delta?

LIFE Migratoebre experts are working during this month of September together with a research team from Santiago de Compostela University, leaded by Fernando Cobo, to check if there still are lamprey (fry) populations at the lower Ebre slope. A pilot project about reintroduction of this species at river Ebre will be written up with these results, […]

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Monitoring of river receivers

From the 28th to 30th August 2018 specialised divers are working to recover all ultrasound receivers which were placed along the river and at Delta. With this job all receivers will be recovered and replaced by new ones which will allow data reading from the river surface with no need to handle them. With these […]

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Eels radio tracking in Ebre river

Last 2017 November some electric fishing was done to catch and tag with radiotransmitters migratory fish, and in particular adult eels. About 60 specimen from this species have been caught and tagged, and will be used to track their movements along Ebre river and also to check how do they use all fish passes created […]

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Migratory fish marking and monitoring

During the month of May 2017 electric fishing has taken place in Ebre river to capture migratory fish, mark them with radio trasmitters and release them up-river. At the same time radio receivers have been strategically placed in the river, from Ascó to the mouth. These radio receivers will allow monitoring on these marked fishes […]

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European eels release in Ebre river

IRTA is studying the potential use of technologies for fish farming. Once ended a test with 1.200 eels, about 500 have been marked with PIT Tags and have been released in Ebre river to favour its populations and to track them through the new fish passes in Xerta and Ascó’s weirs with the sistems set up […]

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Fish marking in Ebro

using electric fishing method, technicians from Delta de l’Ebre natural Park, Mediterranean Studies Center and IRTA identified, measured and marked with pit-tags the migratory fish specimina (and others used as a reference) to be able to do monitoring of their movements with the receivers that will be placed in strategic points along the river: elevator, […]

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Fish rescue at Ebro canals

Fish rescue at Ebro canals is a work that technicians from Delta de l’Ebre Natural Park do everytime that the lock-gates of the canals are closed and fish get stuck in them. These rescues allow the technicians to know the condition and evolution of the populations present at the canals, which are a reflection of […]