Search results for "bay"
showing 10 items of 1187 documents
Particle identification in ALICE: a Bayesian approach
2016
We present a Bayesian approach to particle identification (PID) within the ALICE experiment. The aim is to more effectively combine the particle identification capabilities of its various detectors. After a brief explanation of the adopted methodology and formalism, the performance of the Bayesian PID approach for charged pions, kaons and protons in the central barrel of ALICE is studied. PID is performed via measurements of specific energy loss ($\mathrm{d}E/\mathrm{d}x$) and time-of-flight. PID efficiencies and misidentification probabilities are extracted and compared with Monte Carlo simulations using high-purity samples of identified particles in the decay channels ${\rm K}^0_S \righta…
Species distribution modelling in fisheries science
2017
Latest fisheries directives propose adopting an ecosystem approach to manage fisheries \citep{FAO-EAFM}. Such an approach aims to protect important ecosystems based on the principle that healthy ecosystems produce more and thus enhance sustainability. Unfortunately, quantifying the importance of an ecosystem is a difficult task to do due the immense number of interactions involved in marine systems. This PhD dissertation relies on the fact that good fisheries distribution maps could play a very important role as they allow a visual and intuitive assessment of different marine areas. Unfortunately, the limited amount of data available and the inherent difficulties of modelling fishery data h…
New insights in Bayesian Survival Analysis in Ecology
2020
La fauna silvestre está asediada. Y ésta no es solo una frase impactante con la que empezar una tesis, tristemente, es una realidad. En el último siglo, muchas especies han disminuido drásticamente, mientras que otras afrontan su extinción debido, principalmente, a los rápidos cambios (y a gran escala) ocurridos tanto en hábitats como en ecosistemas. El cambio climático, las especies invasoras, la caza ilegal y la sobrepesca son sólo algunas de las principales amenazas que afectan a las poblaciones de animales silvestres en la actualidad. Para abordar este problema, se requiere de un compromiso a todos los niveles, desde las comunidades locales hasta los gobiernos, pasando por los expertos,…
Spatio temporal modeling of species distribution
2019
The aim of this thesis is study spatial distribution of different groups from different perspectives and to analyse the different approaches to this problem. We move away from the classical approach, commonly used by ecologists, to more complex solutions, already applied in several disciplines. We are focused in applying advanced modelling techniques in order to understand species distribution and species behaviour and the relationships between them and environmental factors and have used first the most common models applied in ecology to move then to more advanced and complex perspectives. From a general perspective and comparing the different models applied during the process, from MaxEnt…
Importance of proper conduct of clinical trials
2021
Genetic structure and differentiation from early bronze age in the mediterranean island of sicily: Insights from ancient mitochondrial genomes
2022
Sicily is one of the main islands of the Mediterranean Sea, and it is characterized by a variety of archaeological records, material culture and traditions, reflecting the history of migrations and populations’ interaction since its first colonization, during the Paleolithic. These deep and complex demographic and cultural dynamics should have affected the genomic landscape of Sicily at different levels; however, the relative impact of these migrations on the genomic structure and differentiation within the island remains largely unknown. The available Sicilian modern genetic data gave a picture of the current genetic structure, but the paucity of ancient data did not allow so far to make p…
Rivalités et confrontations à la faveur des réformes monastiques (Xe-XIe siècles) : quelques cas d'études
2016
S. Excoffon, D-O. Hurel, A. Peters-Custot; International audience
Cartulaire-rouleau provenant du fonds de l'abbaye de Vicoigne
2023
Mettet/Saint-Gérard, Recherches sur l'ancienne abbaye de Brogne
2013
L'abbaye Saint-Pierre de Flavigny à l'époque carolingienne
1977
International audience; C’est sur un site privilégié, promontoire rocheux dominant la petite vallée de l’Ozerain, et à proximité de l’antique Alésia (à 60 kilomètres au Nord-Est de Dijon) que fut fondée, au début du VIlle siècle, l’abbaye Saint-Pierre de Flavigny. Elle fut l’objet de plusieurs constructions successives, dont certains vestiges, encore visibles de nos jours, nous éclairent sur son architecture à l’époque carolingienne. Plus de quinze ans se sont écoulés depuis les derniers travaux effectués dans l’abbaye, et nous avons pensé qu’il était nécessaire de faire le point sur ce que nous pouvons savoir de cet édifice et de son contexte historique. Nous examinerons notamment certains…