# Commission Decision of 18 December 2009 adopting a multiannual Community programme for the collection, management and use of data in the fisheries sector for the period 2011-2013 (notified under document C(2009) 10121) (2010/93/EU), Division 3: For wild salmon stocks in the index rivers, as defined by ICES, running into the Baltic Sea III b-d, the following variables have to be collected:

Extent: E+W+S+N.I.

(a) information on abundance of smolt;
(b) information on abundance of parr;
(c) information on number of ascending individuals.

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Source: https://www.legislation.gov.uk/eudn/2010/93/annex/chapter/III/division/B/division/B2/division/1/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2010-93/annex/chapter-III/division-B/division-B2/division-1/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.