Blar i NINA Brage på emneord "Anguilla anguilla"
Viser treff 1-7 av 7
-
Age of European silver eels during a period of declining abundance in Norway
(Journal article, 2020)The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of ... -
Downstream migration of European eel at three German hydropower stations
(NINA Report;1355, Research report, 2017)Økland, F., Teichert, M.A.K., Havn, T.B., Thorstad, E.B., Heermann, L., Sæther, S.A., Tambets, M. & Borcherding, J. 2017. Downstream migration of European eel at three German hydropower stations. NINA Report 1355: 53 pages, ... -
Kunnskapsoppsummering om ål og forslag til overvåkingssystem i norske vassdrag
(NINA Rapport;661, Research report, 2011)Thorstad, E.B., Larsen, B.M., Finstad, B., Hesthagen, T., Hvidsten, N.A., Johnsen, B.O., Næsje, T.F. & Sandlund, O.T. 2011. Kunnskapsoppsummering om ål og forslag til overvåkingssystem i norske vassdrag. - NINA Rapport ... -
Long-term variation in numbers and biomass of silver eels being produced in two European river systems
(Journal article; Peer reviewed, 2018)The European eel (Anguilla anguilla) population has been in decline at least since the 1960s and reliable regional information, particularly on the spawner production and escapement (i.e. the silver eel life stage), is a ... -
Occurrence of the European eel in lakes in the northern part of its distribution area is limited to low-altitude coastal areas, likely due to topographical conditions
(Peer reviewed; Journal article, 2019)With the decline of the European eel, protection measures in all parts of the eel’s distribution area may be increasingly important. Norway has a vast coastline (58°–71°N), but the distribution of eel has been largely ... -
Status for ål i Siravassdraget
(NINA rapport;974, Research report, 2014)Bakgrunnen for denne undersøkelsen var at de siste kjente observasjoner av ål i Sira-vassdraget var fra tidlig på 1990-tallet, og det ble stilt spørsmål om ålen som art hadde forsvunnet fra vassdraget. Formålene med ... -
Timing and pattern of annual silver eel migration in two European watersheds are determined by similar cues
(Journal article; Peer reviewed, 2017)Many animals perform long-distance migrations in order to maximize lifetime reproductive success. The European eel migrates several thousand kilometers between their feeding habitats in continental waters (fresh-,brackish, ...