Mostrando ítems 41-50 de 97
Vives Fàbregas, M. Teresa (Fecha de defensa: 2004-11-29)
Actualment, la legislació ambiental ha esdevingut més restrictiva pel que fa a la descàrrega d'aigües residuals amb nutrients, especialment en les anomenades àrees sensibles o zones vulnerables. Arran ...
Sergienko, Natalia (Fecha de defensa: 2021-10-13)
Formation of hydrogen sulfide represents a major challenge in the operation of wastewater collection systems. Hydrogen sulfide is malodourous and toxic gas, which causes corrosion of pipes, wells, and ...
Roura i Pascual, Núria (Fecha de defensa: 2006-12-12)
La formiga argentina (Linepithema humile) es troba entre les espècies més invasores: originària d'Amèrica del Sud, actualment ha envaït nombroses àrees arreu del món. Aquesta tesi doctoral intenta fer ...
Fadigas, Amanda Braga do Melo (Fecha de defensa: 2017-12-01)
The coastal zone constitutes an important livelihood for women engaged in fishing activities. However, oil disasters that press the marine environment are becoming more frequent. ...
Aulinas Masó, Montse (Fecha de defensa: 2009-10-14)
La gestió de l'aigua residual és una tasca complexa. Hi ha moltes substàncies contaminants conegudes però encara moltes per conèixer, i el seu efecte individual o col·lgectiu és difícil de predir. La ...
Sabater Liesa, Laia (Fecha de defensa: 2021-01-29)
Humanity has always been closely linked to rivers, benefiting from their resources while producing impacts associated with their activity.Thus, river systems have been exposed to multiple stressors, ...
Dimitriadis, Caterina (Fecha de defensa: 2015-10-16)
Fisheries are complex systems, in which the process of assessment and management should explicitly consider the ecological, social and economic attributes of the system. For a responsible and sustainable ...
Srean, Pao (Fecha de defensa: 2015-05-29)
This thesis aims to contribute to the understanding of the invasive success of two invasive fishes (Gambusia affinis and G. holbrooki). We reviewed four Internet databases and the literature to clarify ...
Latorre Espeso, Dani (Fecha de defensa: 2019-10-17)
Phenotypic plasticity is the adaptive response of a genotype to presenting different types of phenotypes in response to environmental changes. These adaptive responses can contribute to a particular ...
Monclús Sales, Hèctor (Fecha de defensa: 2011-11-08)
The work presented in this PhD thesis includes various partial studies aimed at developing a decision support system for membrane bioreactor integrated control. The decision support systems (DSS) have ...