00793nam a2200217 a 450000100080000000500110000800800410001902200140006010000150007424500780008926001720016730000160033949000720035565000270042765000240045465000100047865300260048865300170051465300180053170000260054910507422021-05-31 2011 bl uuuu u01u1 u #d a0706-64571 aEGUREN, G. aMonitoring of lower order streams in Uruguay (PO).h[electronic resource] aln: ANNUAL AQUATIC TOXICITY WORKSHOP, 37., 2011, Toronto, ON, CA.Proceedings: presentations; regional monitoring frameworks. Toronto, Fisheries and Oceans Canadac2011 ap. 110-111. a(Canadian Technical Report of Fisheries and Aquatic Sciences, 2949) aCUENCAS HIDROGRÁFICAS aMONITOREO AMBIENTAL aPECES aCUENCAS AGROPECUARIAS aECOTOXICIDAD aPECES NATIVOS1 aCARRASCO-LETELIER, L.