Browsing by Subject "Ecologia marina"
Now showing items 1-20 of 25
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A novel approach to explicitly model the spatiotemporal impacts of structural complexity created by alien ecosystem engineers in a marine benthic environment
(2021-11)
Article
Open AccessIn a prequel to this paper, we used non-spatial temporal modelling to investigate the impact of non-native ecosystem engineers on a small-scale, intertidal rocky shore in Saldanha Bay, on the west coast of South Africa, ... -
An ocean sound map along the track of a journey around the globe - Underwater soundscapes of the Great Coral Reef
(Universitat Politècnica de Catalunya, 2018-09-17)
Master thesis
Open AccessThe past years have seen increasing levels of noise pollution in the oceans, which has been demonstrated to have a negative impact in marine ecosy stems. This project consists in creating a World Sound Map where all the ... -
Aplicación de imágenes de satélite SAR,en los estudios de contaminación marina y de dinámica de las aguas en el mediterráneo noroccidental
(Universitat Politècnica de Catalunya, 2002-07-19)
Doctoral thesis
Open AccessThis thesis presents diverse theoretical and practical applications of the ERS 1/2 and RADARSAT satellite images of the Synthetic Aperture Radar SAR sensor (near 330 images in the Northwest Mediterranean NWM and 980 in ... -
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 ... -
Benthosearcher: a machine learning based tool to ultra-fast, automatic characterization of vulnerable marine ecosystems
(SARTI, 2023)
Article
Open AccessThe degradation and impoverishment of the seabed that has been detected during last decades is the result of numerous variables, among which are uncontrolled exploitation of the seabed concerning its vulnerability, based ... -
Biology, ecology and ecophysiology of the box jellyfish Carybdea marsupialis (Cnidaria: Cubozoa) = Biologia, ecologia i ecofisiologia de la cubomedusa Carybdea marsupialis (Cnidaria: Cubozoa)
(Universitat Politècnica de Catalunya, 2016-10-24)
Doctoral thesis
Open AccessOver 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 ... -
Contributions to the multivariate Analysis of Marine Environmental Monitoring
(Universitat Politècnica de Catalunya, 2000-09-12)
Doctoral thesis
Open AccessThe thesis parts from the view that statistics starts with data, and starts by introducing the data sets studied: marine benthic species counts and chemical measurements made at a set of sites in the Norwegian Ekofisk oil ... -
Deep-Sea Bioluminescence Blooms after Dense Water Formation at the Ocean Surface
(2013-07-10)
Article
Open AccessThe deep ocean is the largest and least known ecosystem on Earth. It hosts numerous pelagic organisms, most of which are able to emit light. Here we present a unique data set consisting of a 2.5-year long record of light ... -
Ecological study of benthic communities in the continental shelf and upper slope in the Menorca Channel (North Western Mediterranean)
(Universitat Politècnica de Catalunya, 2016-10-17)
Doctoral thesis
Open AccessTechnological development and increased availability of remotely operated vehicles and manned submersibles have significantly increased accessibility to deep environments revealing the presence of rich and diverse macrobenthic ... -
Ecology of the marine copepod genus Oithona
(Universitat Politècnica de Catalunya, 2013-09-29)
Doctoral thesis
Open AccessCopepods have a crucial role in the pelagic marine ecosystem, for their participation in the nutrient cycling and carbon export in biogeochemical cycles, and their role as link organisms between primary producers and higher ... -
Feeding ecology and community streucture of mesopelagic fishes in the Western Mediterranean = Ecología trófica y estructura de la comunidad de peces mesopelágicos del Mediterráneo Occidental
(Universitat Politècnica de Catalunya, 2014-11-25)
Doctoral thesis
Open AccessEn esta tesis doctoral se ha estudiado la relación de las poblaciones de peces mesopelágicos (Myctophiformes y Stomiiformes) con el medio pelágico, analizando el posible efecto de factores físicos y biológicos en su ecología ... -
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 ... -
Long-lasting ecological monitoring network of lander platforms for marine protected areas
(SARTI, 2024)
Article
Open AccessIn addition to the potential global impact of climate change on marine ecosystems, the extensive use of high-impact fishing methods is a primary catalyst for benthic biodiversity degradation in the Mediterranean Sea. ... -
Long-term monitoring of diel and seasonal rhythm of dentex dentex at an artificial reef
(Frontiers Media, 2022-03-18)
Article
Open AccessBehavioral rhythms are a key aspect of species fitness, since optimize ecological activities of animals in response to a constantly changing environment. Cabled observatories enable researchers to collect long-term biological ... -
Marine ecosystems observation by a cooperative AUV in the PLOME project
(SARTI, 2023)
Article
Open AccessTo improve our understanding of how marine ecosystems function, it is crucial to quantify their processes using proper spatio-temporal multiparametric monitoring techniques. Science and innovative technologies must play a ... -
Mechanical optimization of concrete with recycled PET fibres based on a statistical-experimental study
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-06)
Article
Open AccessDiscarded polyethylene terephthalate (PET) bottles have damaged our ecosystem. Problems of marine fauna conservation and land fertility have been related to the disposal of these materials. Recycled fibre is an opportunity ... -
Megafaunal assemblages in deep-sea ecosystems of the Gulf of Cadiz, northeast Atlantic ocean
(2022-05-01)
Article
Open AccessDeep-sea ecosystems of the Iberian margin have been widely impacted over the past decades, but the limited knowledge on their biodiversity and functioning limits our ability to contribute to their conservation. So far, in ... -
New strategies for replanting Posidonia Oceanica
(Universitat Politècnica de Catalunya, 2024-06-05)
Bachelor thesis
Open AccessThe seagrass Posidonia oceanica is essential for the Mediterranean marine ecosystems, but human activities have led to its decline. This project, conducted by engineering students in collaboration with SARTI Research Group ... -
On the automatic detection of otolith features for fish species identification and their age estimation
(Universitat Politècnica de Catalunya, 2013-01-21)
Doctoral thesis
Open AccessThis thesis deals with the automatic detection of features in signals, either extracted from photographs or captured by means of electronic sensors, and its possible application in the detection of morphological structures ... -
Pesticidas organoclorados adsorbidos sobre microplásticos
(OmniaScience, 2021-03)
Conference report
Open Access