http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=11491marine fisheries http://general-terms.thesaurus.ekt.gr/vocab?tema=11491 fisheries BT http://general-terms.thesaurus.ekt.gr/vocab?tema=11491 coastal fisheries RT http://general-terms.thesaurus.ekt.gr/vocab?tema=11491 pearl fisheries NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11491 sponge fisheries NT