id	keyword
aiol-6215	lakes
aiol-6215	trout
aiol-6215	brook
aiol-6215	ephippia
aiol-6215	pigmentation
aiol-6215	fish
aiol-6215	ephippium
aiol-6215	predation
aiol-6215	size
aiol-6215	brook trout
aiol-6215	study
aiol-6215	extinction
aiol-6215	sediment