Årsyngel av brisling i fjordene på Vestlandet og i Trøndelag høsten 1975
Research report
![Thumbnail](/imr-xmlui/bitstream/handle/11250/112739/fh_1976_01%286%29.pdf.jpg?sequence=5&isAllowed=y)
View/ Open
Date
1976Metadata
Show full item recordCollections
- Fisken og havet (1958- ) [700]
Abstract
Prognoses for catch of sprat in 1976 in different fjords of
western Norway are presented. The prognoses are based on
indices of abundance of 0-group sprat calculated from echo
recordings obtained on a survey in October-November 1975
by R. V. "Johan Hjort". The echo signals are processed by a
computer system, and a relative measure of sprat density per
distance travelled, combined with the area of each fjord, provides
the abundance index. This index reflects the abundance of sprat
available to the fishery 6 -8 months later.
Publisher
HavforskningsinstituttetSeries
Fisken og havet1976-01