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First evidence of natural reproduction of the Allis shad Alosa alosa in the River Rhine following re‐introduction measures
Author(s) -
Hundt M.,
Scharbert A.,
Weibel U.,
Kuhn G.,
Metzner K.,
Jatteau P.,
Pies A.,
Schulz R.,
Gergs R.
Publication year - 2015
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.12721
Subject(s) - alosa , stocking , fishery , reproduction , biology , population , ecology , fish migration , fish <actinopterygii> , demography , sociology
After stocking with larvae from the Gironde–Garonne–Dordogne population, in 2013, three young‐of‐the‐year Allis shad Alosa alosa , probably originating from natural reproduction, were documented for the first time in a period of nearly 100 years in the River Rhine. In 2014, a further increase was observed when 57 juveniles and eight adults were caught; seven of these eight adults were derived from stocking, indicating the success of stocking measures within the framework of the EU‐LIFE project.