Parásitos del pez luna Mola mola (Pisces: Molidae). Primer registro en aguas de la costa centro sur de Chile

Sur la frequence de leptospirose en Iran

Sur la fréquence de leptospirose en Iran

Estructura trófica de la asociación de peces intermareales de la costa rocosa del norte de Chile

The trophic relationships of 13 intertidal fish species collected in northern Chile (20°18’S and 20°54’S) from July 1997 to July 1998, the stomach content analysis of 820 specimens, were investigated. The importance of the prey items was assessed by means of gravimetric and frequency of ocurrence methods, together with the Shannon-Wiener (trophic diversity) and Pianka (trophic overlap) indexes....

Sur la fréquence de la leptospirose en Iran

Centro de Investigación en Computación del IPN

In this dissertation the GEONTO–MET methodology is presented. It is oriented to formalize the geographic domain conceptualization according to the specifications of the Instituto Nacional de Estadística, Geografía e Informática (INEGI). The main goal is to provide semantic descriptions, which represent the properties and relations describing so the behavior of geographic objects and taking into...