Description Usage Format Details Source Examples
This pollen dataset contains fossil pollen from Ager, T. W. (2003). "Late Quaternary Vegetation and Climate History of the Central Bering Land Bridge from St. Michael Island, Western Alaska." Quaternary Research 60: 19-32.
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A data frame with 151 observations on the following 113 variables.
Sitea numeric vector
SITENAMEa factor with levels Zagoskin L
LONDDa numeric vector
LATDDa numeric vector
ELEVATIONa numeric vector
DEPTHa numeric vector
AGEBPa numeric vector
CALBPa numeric vector
POLLSUMa numeric vector
ABIESa numeric vector
ACERa numeric vector
ALNUSXa numeric vector
AMBROSIAa numeric vector
ANACARDIa numeric vector
APIACEAEa numeric vector
AQUIFOLIa numeric vector
ARCEUTHOBIa numeric vector
ARECACEAEa numeric vector
ARMERIAa numeric vector
ARTEMISIAa numeric vector
ASTERXa numeric vector
ASTERCICHOa numeric vector
BETULAa numeric vector
BORAGINACEAEa numeric vector
BOTRYCHIUMa numeric vector
BRASSICACEAEa numeric vector
CACTACEAEa numeric vector
CAMPANULACEAa numeric vector
CAPRIFOLIAa numeric vector
CARYAa numeric vector
CARYOPHYLLa numeric vector
CASTANEAa numeric vector
CEANOTHUSa numeric vector
CELTISa numeric vector
CEPHALANTHa numeric vector
CERCOCARa numeric vector
CHENOAMXa numeric vector
CHRYSOLEPa numeric vector
CORNUSa numeric vector
CORYLUSa numeric vector
CUPRESSAa numeric vector
CYPERACEa numeric vector
DODECATHa numeric vector
DRYASa numeric vector
ELAEAGNXa numeric vector
EPHEDRAa numeric vector
EQUISETUa numeric vector
ERICALESa numeric vector
EUPHORBa numeric vector
FABACEAEa numeric vector
FAGUSa numeric vector
FRAXINUXa numeric vector
IVAa numeric vector
JUGLANSXa numeric vector
KOENISLDa numeric vector
LAMIACEAEa numeric vector
LARIXPSEUa numeric vector
LARREAa numeric vector
LILIACEAEa numeric vector
LIQUIDAMa numeric vector
LIRIODENa numeric vector
LYCOANNOa numeric vector
LYCOCLAVa numeric vector
LYCOCOMPa numeric vector
LYCOSELAa numeric vector
LYCOPODXa numeric vector
MAGNOLIACEa numeric vector
MALVACEAEa numeric vector
MORACEAXa numeric vector
MYRICACXa numeric vector
NYSSAa numeric vector
ONAGRACEAEa numeric vector
OSMUNDACEAa numeric vector
OSTRYCARa numeric vector
PAPAVERXa numeric vector
PEDICULARIa numeric vector
PICEAXa numeric vector
PINUSXa numeric vector
PLANTAGINXa numeric vector
PLATANUSa numeric vector
POACEAEa numeric vector
POLEMONIa numeric vector
POLYGONAXa numeric vector
POLYGBISa numeric vector
POLYGONMXa numeric vector
POLYGVIVa numeric vector
POLYPODa numeric vector
POPULUSa numeric vector
POTENTILLAa numeric vector
PROSOPISa numeric vector
PTERIDIUMa numeric vector
QUERCUSa numeric vector
RANUNCULa numeric vector
RHAMNACEAEa numeric vector
ROSACEAXa numeric vector
RUBIACEAEa numeric vector
RUBUSa numeric vector
RUMEXa numeric vector
SALIXa numeric vector
SANGUIa numeric vector
SARCOBATUSa numeric vector
SXFRAGAXa numeric vector
SCROPHULa numeric vector
SELAGINEa numeric vector
SHEPHERDIAa numeric vector
SPHAGNUMa numeric vector
TAXODIUMa numeric vector
TAXUSa numeric vector
THALICTRUMa numeric vector
TILIAa numeric vector
TSUGAXa numeric vector
ULMUSa numeric vector
URTICACXa numeric vector
The dataset was modified from that available at the NGDC Paleoclimate homepage, specifically the North American Pollen Database (NAPD) maintained by Dr. Eric Grimm of the Illinois State Museum.
http://www.ncdc.noaa.gov/paleo/napd.html
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