Now showing items 1-12 of 12
Solsona Berga, Alba (Date of defense: 2019-01-30)
Marine mammals face numerous anthropogenic threats, including fisheries interactions, ocean noise, ship strikes, and marine debris. Monitoring the negative impact on marine mammals through the assessment of population ...
Tilves Matheu, Uxue (Date of defense: 2019-05-16)
Jellyfish are important components of marine ecosystems, being a key link between lower and higher trophic levels. Jellyfish blooms occur sporadically and unpredictably in coastal areas and often have important socio-economic ...
Acevedo Dudley, Melissa Judith (Date of defense: 2016-10-24)
Over the last years, the sightings of the cubomedusa Carybdea marsupialis have increased in the Mediterranean Sea and this has been linked to an increase in its abundance. Consequently, this phD thesis addresses some ...
Ambroso, Stefano (Date of defense: 2021-01-25)
Knowledge of the abundance, distribution patterns, and population ecology of antarctic benthic biodiversity have increased considerably during the last decades. Antarctic marine benthic biodiversity has been sampled primarily ...
Albo-Puigserver, Marta (Date of defense: 2019-10-18)
Mediterranean marine ecosystems are fundamentally driven by their pelagic communities and small and medium-size pelagic fishes (SMPF) play crucial ecological roles. Although fluctuations of the populations of these organisms ...
Santín Muriel, Andreu (Date of defense: 2022-01-24)
Sponge assemblages dominate several distinctive, hard-bottom environments, being one of the most important structural organisms at several locations around the world. Although the Mediterranean sponge fauna is among the ...
Morganti, Teresa Maria (Date of defense: 2016-07-27)
Sponges play important roles in the functioning of marine ecosystem in which they are abundant. These roles range from stabilizers of substrate, to acting as major link between benthic and pelagic realms by filtering large ...
de Vreese, Steffen (Date of defense: 2021-06-17)
While marine, anthropogenic noise pollution is a scientific and societal matter of concern, there is limited knowledge on how sea animals, particularly cetaceans, perceive their environment through sounds. Toothed whales, ...
Fernández Álvarez, Fernando Ángel (Date of defense: 2018-05-03)
Flying squids develop all its life cycle in the water column, as planktonic paralarvae and then as nektonic subadults and adults. In this Ph. D. Thesis, light was shed over several poorly understood aspects of the ontogeny ...
Ballesteros Mascarell, Ainara (Date of defense: 2023-01-13)
(English) Jellyfish stings cause discomfort to users of the marine environment, who sometimes require medical assistance. Although jellyfish stings are common today, the scientific community remains in disagreement on how ...
Medina Henríquez, Paula Javiera (Date of defense: 2019-07-08)
European sea bass (Dicentrarchus labrax) aquaculture is a thriving industry in Spain where it reached about 23,500 t and a market value of approximately 133 million euros. However, most of the sea bass farms produce a high ...
Guerrero, Elena (Date of defense: 2017-07-14)
Planktonic cnidarians are those species or their stages in the phylum Cnidaria that spent their life in the water column and therefore, are tightly linked to oceanographic dynamics and water mass structures, such as fronts ...