European silver eel migration and fisheries-induced mortality in the Havel river system (Germany)
By using acoustic telemetry, the behaviour and fishery mortality of silver eels Anguilla anguilla (L.) were studied during the early phase ofthe spawning migration through the Havel River downstream to the river Elbe. A total of 99 female silver eels were implanted with acoustictransmitters and rele...
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WILEY-BLACKWELL
2012
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ftjrc:oai:publications.jrc.ec.europa.eu:JRC54959 2023-05-15T13:27:42+02:00 European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) SIMON Janek BERENDS K. DOERNER Hendrik JEPSEN N. FLADUNG F. 2012 Printed https://publications.jrc.ec.europa.eu/repository/handle/JRC54959 http://onlinelibrary.wiley.com/doi/10.1002/rra.1530/abstract https://doi.org/10.1002/rra.1530 ENG eng WILEY-BLACKWELL JRC54959 2012 ftjrc https://doi.org/10.1002/rra.1530 2022-05-01T08:17:24Z By using acoustic telemetry, the behaviour and fishery mortality of silver eels Anguilla anguilla (L.) were studied during the early phase ofthe spawning migration through the Havel River downstream to the river Elbe. A total of 99 female silver eels were implanted with acoustictransmitters and released at two locations in the Havel River system in autumn 2007. Tag recaptures by fisheries were used to assess fishery mortality. Most eels continued their downstream migration immediately after release during October–November in the year of release. However, some eels continued their downstream migration the following spring or autumn; only a few eels migrated in winter and summer. Tagged eels reached the river Elbe from 2 days to more than 1 year after tagging. Fishing efficiency was very high, and by the end of December 2008, only 8% of the tagged eels had reached the river Elbe, whereas 25% were reported caught by commercial fishers and 2% by recreational fishers. The remaining 65% of the tagged eels were unaccounted for at the end of the study period. JRC.G.4 - Maritime affairs Other/Unknown Material Anguilla anguilla Joint Research Centre, European Commission: JRC Publications Repository River Research and Applications 28 9 1510 1518 |
institution |
Open Polar |
collection |
Joint Research Centre, European Commission: JRC Publications Repository |
op_collection_id |
ftjrc |
language |
English |
description |
By using acoustic telemetry, the behaviour and fishery mortality of silver eels Anguilla anguilla (L.) were studied during the early phase ofthe spawning migration through the Havel River downstream to the river Elbe. A total of 99 female silver eels were implanted with acoustictransmitters and released at two locations in the Havel River system in autumn 2007. Tag recaptures by fisheries were used to assess fishery mortality. Most eels continued their downstream migration immediately after release during October–November in the year of release. However, some eels continued their downstream migration the following spring or autumn; only a few eels migrated in winter and summer. Tagged eels reached the river Elbe from 2 days to more than 1 year after tagging. Fishing efficiency was very high, and by the end of December 2008, only 8% of the tagged eels had reached the river Elbe, whereas 25% were reported caught by commercial fishers and 2% by recreational fishers. The remaining 65% of the tagged eels were unaccounted for at the end of the study period. JRC.G.4 - Maritime affairs |
author |
SIMON Janek BERENDS K. DOERNER Hendrik JEPSEN N. FLADUNG F. |
spellingShingle |
SIMON Janek BERENDS K. DOERNER Hendrik JEPSEN N. FLADUNG F. European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) |
author_facet |
SIMON Janek BERENDS K. DOERNER Hendrik JEPSEN N. FLADUNG F. |
author_sort |
SIMON Janek |
title |
European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) |
title_short |
European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) |
title_full |
European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) |
title_fullStr |
European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) |
title_full_unstemmed |
European silver eel migration and fisheries-induced mortality in the Havel river system (Germany) |
title_sort |
european silver eel migration and fisheries-induced mortality in the havel river system (germany) |
publisher |
WILEY-BLACKWELL |
publishDate |
2012 |
url |
https://publications.jrc.ec.europa.eu/repository/handle/JRC54959 http://onlinelibrary.wiley.com/doi/10.1002/rra.1530/abstract https://doi.org/10.1002/rra.1530 |
genre |
Anguilla anguilla |
genre_facet |
Anguilla anguilla |
op_relation |
JRC54959 |
op_doi |
https://doi.org/10.1002/rra.1530 |
container_title |
River Research and Applications |
container_volume |
28 |
container_issue |
9 |
container_start_page |
1510 |
op_container_end_page |
1518 |
_version_ |
1766399872571801600 |