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).
PSPumpkinseed
YPYellow perch
WSWhite sucker
CCCreek chub
BBBrown bullhead
NRDNorthern redbelly dace
GSGolden shiner
BTBrook trout
SBSmallmouth bass
BNMBluntnose minnow
CSCommon shiner
PDPearl dace
FSDFinescale dace
LBLargemouth bass
BNSBlacknose shiner
BBurbot
FMFathead minnow
LTLake trout
BSBrook stickleback
BDBlacknose dace
IDIowa dace
CCisco
LCLake chub
RBRock bass
FFFallfish
BMBrassy minnow
MMuskellunge
RSRainbow smelt
LWLake whitefish
NSSNine spine stickleback
limn is a limnological data frame with 52 observations (lakes) on the following 8 variables.
arealog of lake area in ha
maxdlog of maximum depth in m
vollog of lake volume in 10^4 m^3
shorelog of shoreline length in km
elevlog of elevation in m
pHpH
calog of calcium concentration in mg/l
condlog of conductivity in umhos cm
lat is a data frame with 52 observations (lakes) on the following variable.
Latitudelatitude
Don Jackson collected these data for his 1988 University of Toronto Masters Thesis in Zoology.
Jackson (1988)
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