id	keyword
inhs-879	sylvatica
inhs-879	illinois
inhs-879	rana
inhs-879	wood
inhs-879	breeding
inhs-879	southern
inhs-879	natural
inhs-879	ponds
inhs-879	mean
inhs-879	frog
inhs-879	age
inhs-879	history
inhs-879	rana sylvatica
inhs-879	size
inhs-879	males
inhs-879	berven
inhs-879	range
inhs-879	females
inhs-879	species
inhs-879	amphibians
inhs-879	snf
inhs-879	county
inhs-879	populations
inhs-879	studies
inhs-879	study
inhs-879	svl
inhs-879	lag
inhs-879	survey
inhs-879	year