info:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F40832%2F2007/PTINFLUENCE OF THE NON-INDIGINEOUS BIVALVE CORBICULA FLUMINEA MULLER, 1774 ON THE ECOSYSTEM FUNCTIONING OF TWO PORTUGUESE ESTUARIESSFRH/BPD/40832/2007