Stock and recruitment data for Icelandic summer spawning Herring, 1946-1996.

Description

Icelandic summer spawning Herring (Clupeaformis harengus) stock, recruitment, landings, and fishing mortality by year, 1946-1996.

Format

A data frame of 51 observations on the following 6 variables:

• year: Year of data
• ssb: Spawning stock biomass (tonnes)
• rec: Recruits – i.e., 1-year olds (thousands)
• land: Landings (in millions of pounds)
• fmort: Fishing related mortality

Topic(s)

• Stock-Recruit
• Recruitment

Source

From the Report of the Atlanto-Scandian Herring and Capelin Working Group. ICES Doc. C.M. 1995. Assess: 9.; Anon. 1986. Report of the herring assessment working group for the area south of 62 degrees N. ICES Doc. C.M. 1986. Assess: 19.; Anon. 1991. Report of the Atlanto-Scandian Herring and Capelin Working Group. ICES Doc. C.M. 1991. Assess: 17.; State of marine stocks and environmental conditions in Icelandic waters 1989 Fishing prospects 1990, August 1990. Hafranns\'oknastofnun Fj\"olrit NR. 19. Marine Research Institute, Iceland. Mon Jun 20, 1988.; Report of the Northern Pelagic and Blue Whiting Fisheries Working Group. ICES Doc. C.M. 1997. Assess:14. Obtained from Ransom Myers online database which was (is?) at http://ram.biology.dal.ca/~myers/data.html.

Examples

data(HerringISS)
str(HerringISS)
head(HerringISS)
op <- par(mfrow=c(1,2))
plot(rec~year,data=HerringISS,type="l")
plot(rec~ssb,data=HerringISS)
par(op)