id	keyword
american_scientific_journal-6370	nilo
american_scientific_journal-6370	lake
american_scientific_journal-6370	kariba
american_scientific_journal-6370	niloticus
american_scientific_journal-6370	oreochromis
american_scientific_journal-6370	strains
american_scientific_journal-6370	fisheries
american_scientific_journal-6370	morphometric
american_scientific_journal-6370	meristic
american_scientific_journal-6370	culture
american_scientific_journal-6370	fishery
american_scientific_journal-6370	lake kariba
american_scientific_journal-6370	zambia
american_scientific_journal-6370	aquaculture