Ara mostrant els elements 1-4 de 4
Campos, Bruno (Data de defensa: 2014-01-10)
There is increasing evidence that the presence of many emerging pollutants in aquatic ecosystems may have detrimental effects on aquatic biota. Of special concern are those emerging pollutants that may act as putative ...
Lucea Sureda, Anna (Data de defensa: 2004-01-23)
Amb aquest treball es preté comprovar la universalitat de la relació estequiomètrica de Redfield i recercar patrons consistents de les desviacions d'aquesta raó promig en ambients oligotrofics. Per tal de dur a terme aquest ...
Romera Castillo, Cristina (Data de defensa: 2011-10-07)
Oceans store 685 Pg of organic carbon of which 662 Pg are in a dissolved form. The diversity of compounds that make up the dissolved organic matter (DOM) pool and the low concentration of each compound make the chemical ...
Mestres Ridge, Marc (Data de defensa: 2002-07-15)
Traditionally, the sea has been considered as the ultimate sink of most pollutions, due to its huge volume and assimilating capacities, and the coastal waters, because of their intermediate position between deep seas and ...