Browsing by Subject "Ecologia aquàtica"
Now showing items 1-20 of 29
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Advancement of methods for passive acoustic monitoring : a framework for the study of deep-diving cetacean
(Universitat Politècnica de Catalunya, 2019-01-30)
Doctoral thesis
Open AccessMarine 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 ... -
Análisis experimental del ecosistema de la bahía del Fangar (Delta del Ebro)
(Universitat Politècnica de Catalunya, 2024-07-16)
Bachelor thesis
Open Access -
Aquatic ecosystem risk assessment generated by accidental silver nanoparticle spills in groundwater
(2023-08-03)
Article
Open AccessThis paper aims to create a new model for assessing the ecosystem risk in rivers and wetlands that are linked to accidental spills of silver nanoparticles (AgNPs) in soil/groundwater. Due to the uncertainty of the modeling ... -
Assessing the environmental risk of silver nanoparticles in aquatic ecosystems
(2022)
Conference report
Open AccessAs well known, silver nanoparticles (AgNPs) are being increasingly used in many different sectors due to their particular biocidal characteristics. The existence of these substances in many day life products leads to the ... -
Assessment and analysis of the shoreline sensitivity to oil spills in the north-west coast of Morocco (Assilah-Larache)
(Universitat Politècnica de Catalunya, 2017-06-16)
Master thesis
Restricted access - author's decision
Covenantee: Université Euro-Méditerranéenne de FèsThe marine ecosystem is controlled by complex and interdependent biogeochemical and biophysical mechanisms with a high species biodiversity and distribution. The marine parts of coastal areas is characterized by a high ... -
Automatic detection and classification of coastal Mediterranean fish from underwater images: good practices for robust training
(Frontiers Media, 2023-04-05)
Article
Open AccessFurther investigation is needed to improve the identification and classification of fish in underwater images using artificial intelligence, specifically deep learning. Questions that need to be explored include the ... -
Biological interactions between fish and jellyfish in the northwester Mediterranean
(Universitat Politècnica de Catalunya, 2019-05-16)
Doctoral thesis
Open AccessJellyfish 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 ... -
Daphnia magna bioassays to detect novel eco-toxicological effects of prioritary and emergent contaminants
(Universitat Politècnica de Catalunya, 2014-01-10)
Doctoral thesis
Open AccessThere 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 ... -
Desenvolupament d’un model basat en la lògica difusa per a l’avaluació del risc dels retardants de flama bromats en ecosistemes aquàtics d’Amèrica Llatina
(Universitat Politècnica de Catalunya, 2011-04)
Master thesis (pre-Bologna period)
Open AccessAquest estudi, en el qual s'ha desenvolupat un model per a l'avaluació del risc ambiental que generen els retardants de flama bromats (BFRs) en els organismes aquàtics de dos ecosistemes d'Amèrica Llatina, està vinculat ... -
Disseny de l’etapa analògica d’un TAG acústic
(Universitat Politècnica de Catalunya, 2020-10-28)
Bachelor thesis
Restricted access - author's decisionEn aquest projecte es dissenya l’etapa analògica d’una etiqueta acústica, o en anglès conegut com TAG acústic, per poder realitzar el seguiment d’espècies marines. Per a fer-ho, s’ha focalitzat l’estudi a tota la part ... -
El destí dels microplàstics en mars i oceans: un estudi de mecànica de fluids sobre l'agregació de partícules
(Universitat Politècnica de Catalunya, 2021-01-28)
Bachelor thesis
Open AccessLa presència de microplàstics en mars i oceans suposa una problemàtica pels ecosistemes marins afectant directament la salut dels éssers vius que s’hi troben. Els microplàstics col·lisionen amb biopartícules, per efecte ... -
Environmental Risk Assessment of Polybrominated Diphenyl Ether (PBDE) and Hexabromocyclododecane (HBCD) in Ebro River Basin
(Universitat Politècnica de Catalunya, 2011-02)
Master thesis (pre-Bologna period)
Open AccessIn this study, a model for the evaluation of the environmental risk of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCD) for the aquatic organisms has been developed. These compounds are brominated ... -
Environmental risk assessment of silver nanoparticles in 2 aquatic ecosystems using fuzzy logic
(2022-06-11)
Article
Open AccessThe rapid development of nanotechnology has stimulated the use of silver nanoparticles (AgNPs) in various fields that leads to their presence in different ecosystem compartments, in particular aquatic ecosystems. Several ... -
Environmental risk assessment of silver nanoparticles in aquatic ecosystems using fuzzy logic
(2022-06-11)
Article
Open AccessThe rapid development of nanotechnology has stimulated the use of silver nanoparticles (AgNPs) in various fields that leads to their presence in different ecosystem compartments, in particular aquatic ecosystems. Several ... -
Estudi de la severitat de nanopartícules sobre ecosistemes aquàtics en vessaments industrials accidentals al subsòl
(Universitat Politècnica de Catalunya, 2020-07-10)
Bachelor thesis
Restricted access - author's decisionEls nanomaterials poden tenir diversos tipus de composició química, i presentar-se en diferents formes estructurals per posteriorment ser utilitzats en un ampli ventall d'aplicacions industrials i estar presents en un gran ... -
Estudio teórico de pasos de peces y desarrollo de una metodología de evaluación de su eficacia
(Universitat Politècnica de Catalunya, 2009-02)
Minor thesis
Open AccessEn esta primera tesina de introducción a los pasos de peces en la ETSECCPB se estudia de forma genérica los dispositivos de paso para peces en los ríos catalanes y se desarrolla una metodología de evaluación de los mismos. ... -
Image dataset for benchmarking automated fish detection and classification algorithms
(Nature, 2023-12-01)
Article
Open AccessMultiparametric video-cabled marine observatories are becoming strategic to monitor remotely and in real-time the marine ecosystem. those platforms can achieve continuous, high-frequency and long-lasting image data sets ... -
Implementación de un modelo dinámico para evaluar la calidad de agua de la laguna Alalay en Cochabamba Bolivia
(Universitat Politècnica de Catalunya, 2020-10)
Master thesis
Open AccessDurant les darreres dècades la implementació de sistemes dinàmics amb base en estudis d’ecosistemes aquàtics i la seva relació amb l’entorn ha estat generant investigacions i aplicacions en l’àmbit de la modelització, ... -
Pesticidas organoclorados adsorbidos sobre microplásticos
(OmniaScience, 2021-03)
Conference report
Open Access -
Presence and environmental impact of personal-care products (UV filters) in urban aquatic ecosystems
(Universitat Politècnica de Catalunya, 2014-07-21)
Master thesis
Open AccessThe increased use of cosmetic products, in particular UV filter compounds, results with their introduction in significant amounts in to aquatic ecosystems. Thus, the study and understanding of these substances in ...