Description Usage Format Details Source Examples
Data from Jackson's (1988) study of lakes in the Black and Hollow River watersheds.
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fish
is a presence-absence data frame with 52 observations (lakes) on the following 30 variables (species).
PS
Pumpkinseed
YP
Yellow perch
WS
White sucker
CC
Creek chub
BB
Brown bullhead
NRD
Northern redbelly dace
GS
Golden shiner
BT
Brook trout
SB
Smallmouth bass
BNM
Bluntnose minnow
CS
Common shiner
PD
Pearl dace
FSD
Finescale dace
LB
Largemouth bass
BNS
Blacknose shiner
B
Burbot
FM
Fathead minnow
LT
Lake trout
BS
Brook stickleback
BD
Blacknose dace
ID
Iowa dace
C
Cisco
LC
Lake chub
RB
Rock bass
FF
Fallfish
BM
Brassy minnow
M
Muskellunge
RS
Rainbow smelt
LW
Lake whitefish
NSS
Nine spine stickleback
limn
is a limnological data frame with 52 observations (lakes) on the following 8 variables.
area
log of lake area in ha
maxd
log of maximum depth in m
vol
log of lake volume in 10^4 m^3
shore
log of shoreline length in km
elev
log of elevation in m
pH
pH
ca
log of calcium concentration in mg/l
cond
log of conductivity in umhos cm
lat
is a data frame with 52 observations (lakes) on the following variable.
Latitude
latitude
Don Jackson collected these data for his 1988 University of Toronto Masters Thesis in Zoology.
Jackson (1988)
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