Mostrando ítems 51-60 de 85
Agulló Chazarra, Melania (Fecha de defensa: 2022-11-16)
The conservation of a commercially exploited species is fundamental to ensure the long-term sustainability of the resource. Thus, genetic information is essential for the identification of reproductively ...
Tuulaikhuu, Baigal-Amar (Fecha de defensa: 2016-06-10)
The main aims of this thesis are: i) to evaluate arsenic toxicity in two major, interacting components of the freshwater ecosystem, biofilm and fish, to provide information on environmentally realistic ...
Pou i Rovira, Quim (Fecha de defensa: 2004-07-23)
L'Estany de Banyoles, sistema peculiar tant des del punt de vista de la seva formació geològica com de les seves característiques limnològiques, conté actualment una comunitat de peixos profundament ...
Carmona Catot, Gerard (Fecha de defensa: 2013-12-09)
The eastern mosquitofish (Gambusia holbrooki) is one of the most widely distributed and invasive inland fish. It is known that it has not been established in northern Europe or upstream of rivers, where ...
García-Berthou, Emili (Fecha de defensa: 1994-11-03)
Before 1910, the fish assemblage of Banyoles Lake (Catalonia, Spain) consisted of: eel (Anguilla anguilla), Mediterranean barbel (Barbus meridionalis), freshwater blenny (Bennius fluviatilis), ...
Rubio Gracia, Francesc (Fecha de defensa: 2021-10-27)
This thesis aimed to assess the responses of stream biota to flow alterations, in terms of water velocity increments and reductions of discharge, and to metal pollution. The investigations performed ...
Corcoll i Cornet, Natàlia (Fecha de defensa: 2012-02-20)
Metal pollution in rivers is in great concern with human activities in the fluvial watershed. This thesis aims to investigate the potential use of chl-a fluorescence parameters as biomarkers of metal ...
Baró Sabé, Aina (Fecha de defensa: 2021-07-30)
Xylella fastidiosa is one of the most damaging phytopathogenic bacteria in the world, causing a variety of diseases with a major economic impact on agriculture and the environment. Until now, no therapeutic ...
Foix Pericot, Laura (Fecha de defensa: 2022-07-14)
La família de les Rosaceae comprèn espècies d’alta rellevància econòmica, com ho són les espècies de fruiters de clima temperat, ornamentals i medicinals. El seu cultiu, però, es veu limitat per la ...
Caballero-Huertas, Marta (Fecha de defensa: 2023-05-26)
Small pelagic fish play an important ecological role mainly due to their contribution in transferring energy from low to higher trophic levels. Likewise, the capture of these species is in many cases ...