Stock and recruitment data for Sea Lamprey in the Great Lakes, 1997-2007.

Description

Stock and recruitment data for Sea Lamprey (Petromyzon marinus) in the Great Lakes, 1997-2007 from 37 streams.

Format

A data frame of 76 observations on the following two variables:

• stock: Female spawners per 100 square meters.
• recruits: Yearlngs per 100 square meters.

Topic(s)

• Stock-Recruit
• Recruitment

Source

From (approximately) Figures 2a and 2b in Dawson, H.A. and M.L. Jones. 2009. Factors affecting recruiting dynamics of Great Lakes sea lamprey (Petromyzon marinus) populations. Journal of Great Lakes Research 35:353-360.

Examples

data(SLampreyGL)
str(SLampreyGL)
head(SLampreyGL)
plot(recruits~stock,data=SLampreyGL)