id	keyword
alces-1963	moose
alces-1963	wolf
alces-1963	kill
alces-1963	wolves
alces-1963	predation
alces-1963	pack
alces-1963	et al
alces-1963	study
alces-1963	columbia
alces-1963	british
alces-1963	pgs
alces-1963	jprf
alces-1963	population
alces-1963	b.c
alces-1963	alces
alces-1963	winter
alces-1963	prey
alces-1963	areas
alces-1963	rates
alces-1963	density