529 zoekresultaten voor “evolution biodiversity” in de Publieke website
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Hybrid zone dynamics in amphibians
Hybrid zones occur where two species meet and produce offspring (hybrids). Typically, hybrids show a considerable reduction in fitness. In this thesis two hybrid zones are treated.
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Mind the gap: gas and dust in planet-forming disks
Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond
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Laura Scherer
Wiskunde en Natuurwetenschappen
l.a.scherer@cml.leidenuniv.nl | +31 71 527 6832
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Environmental assessment and guidance for the future offshore wind energy development
This thesis aims to address offshore wind energy (OWE)-related environmental impacts.
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Design of homogeneous water oxidation catalysts
To design the ideal water oxidation catalyst, understanding of the catalytic mechanism and decomposition pathways is essential.
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Monsters in the Deep: Using simulations to understand the excess baryonic mass in the centres of high-mass, early-type galaxies
This thesis aims to enhance our understanding of galaxies by testing theoretical models of galaxy formation against observations, particularly in the cases of extreme systems which have been found to have an excess of baryonic mass in their central regions, in the form of either supermassive black holes…
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Early death of massive galaxies in the distant universe
Promotor: M. Franx, Co-Promotor: I.F. Labbé
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Ben Wielstra
Wiskunde en Natuurwetenschappen
b.m.wielstra@biology.leidenuniv.nl | +31 71 527 5135
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Anagnostis Theodoropoulos
Wiskunde en Natuurwetenschappen
a.theodoropoulos@biology.leidenuniv.nl | +31 71 527 4882
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Adaptive responses to environmental changes in Lake Victoria cichlids
Promotor: M.K. Richardson, Co-Promotor: F. Witte
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Briegel ontvangt beurs Moore Foundation in wereldwijde competitie
Ariane Briegel, hoogleraar Ultrastructuurbiologie in Leiden, heeft een prestigieuze beurs ontvangen van de Gordon and Betty Moore Foundation. Met de toekenning van 800.000 euro zet Briegel een nieuwe onderzoekslijn op om symbiotische interacties op nanoschaal te bestuderen.
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The colours of the extreme universe
This thesis presents pioneering work on the panchromatic emission of some of the most luminous galaxies in the early Universe: star forming galaxies and active galactic nuclei.
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Management implications for invertebrate assemblages in the Midwest American agricultural landscape
Promotor: G.R. de Snoo Co-promotor: C.J.M. Musters
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Distant star formation in the faint radio sky
One of the key quests in astronomy is to study the growth and evolution of galaxies across cosmic time. Radio observations provide a powerful means of studying the formation of stars and subsequent buildup of distant galaxies, in a way that is unbiased by the presence of dust.
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Star-Forming Galaxies at the Cosmic Dawn
Promotor: Prof.dr. M. Franx, Co-Promotor: Rychard Bouwens
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Assemblage and functioning of bacterial communities in soil and rhizosphere
Promotores: J.A.van Veen, P.L.G.Klinkhamer. Co-promotor: E.E.Kuramae
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Neutral outflows in high-redshift dusty galaxies
Outflows are crucially important for the gas budget and evolution of luminous star-forming galaxies and AGNs, with observed mass outflow rates of the same order as the star formation rate. Greater star formation and black hole growth lead to more intense feedback and outflows, resulting in self-regulated…
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Cold gas in distant galaxies
The formation and evolution of galaxies is fundamentally driven by the formation of new stars out of cold gas.
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The tension between nature conservation and economic valuation of ecosystem services
Promotores: G.R. de Snoo, W.T. de Groot, Co-promotor: C.J.M. Musters
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A radio view of dust-obscured star formation
Within the field of astronomy, understanding how galaxies grow and evolve from the Big Bang to the present day is a challenging and complex question.
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The distribution of stellar mass in galaxy clusters over cosmic time
Promotor: Prof.dr. K.H. Kuijken, Co-Promotor: H.Hoekstra
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Iron complexes as electrocatalysts for the water oxidation reaction
In this dissertation, the synthesis and characterization of a series of iron complexes based on different ligand platforms are described.
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Fundamental research on the voltammetry of polycrystalline gold
Voltammetry plays a crucial role in modern scientific research by offering valuable insights into the electrochemical properties of materials, with wide-ranging applications in fields such as materials science, energy storage, corrosion studies, and sensor development.
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The interplay between stars, gas and dust in faint star-forming galaxies
When observing star-forming galaxies, we are not only seeing stellar light, but we also see how this interacts with galactic gas and dust. This thesis contains studies of the stellar, nebular and dust properties of low mass star-forming galaxies.
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Athanasios Moraitis
Wiskunde en Natuurwetenschappen
a.moraitis@cml.leidenuniv.nl | +31 6 2220 0860
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Dynamics of a β-lactamase
BlaC is the β-lactamase of Mycobacterium tuberculosis. We show that it can recover from inhibition by clavulanic acid and that phosphate helps it do so.
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Annebelle Kok wint LISF-prijs met verslag van slakkenonderzoek op Borneo
Op 7 november ontving biologiestudent Annebelle Kok de LISF-prijs 2012 uit handen van Cornald Maas, televisiepresentator, criticus en alumnus van de Universiteit Leiden. Het Leids Universiteits Fonds (LUF) kent deze prijs toe aan de student die het beste persoonlijke verslag schreef over een buitenlandse…
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Knowledge Extraction from Archives of Natural History Collections
Natural history collections provide invaluable sources for researchers with different disciplinary backgrounds, aspiring to study the geographical distribution of flora and fauna across the globe as well as other evolutionary processes.
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Valerio Barbarossa
Wiskunde en Natuurwetenschappen
v.barbarossa@cml.leidenuniv.nl | +31 71 527 5656
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Jennifer Anderson
Wiskunde en Natuurwetenschappen
j.a.anderson@cml.leidenuniv.nl | +31 71 527 2727
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Mariana Braz Pires
Wiskunde en Natuurwetenschappen
m.braz.pires@cml.leidenuniv.nl | +31 71 527 2727
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Annetrude Boeije
Wiskunde en Natuurwetenschappen
a.g.boeije@cml.leidenuniv.nl | +31 71 527 2727
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Kevin Groen
Wiskunde en Natuurwetenschappen
k.groen@cml.leidenuniv.nl | +31 71 527 6822
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Kaixuan Pan
Wiskunde en Natuurwetenschappen
k.pan@umail.leidenuniv.nl | +31 71 527 2727
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Fleur van Duin
Wiskunde en Natuurwetenschappen
f.c.m.van.duin@cml.leidenuniv.nl | +31 71 527 2727
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Hierarchical Systems
The thesis addresses the long-term dynamical evolution of hierarchical multiple systems.
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Dynamics of the Oort Cloud and Formation of Interstellar Comets Santiago Torres Rodriguez
The solar system was formed approximately 4.56 billion years ago. Despite the numerous theories that have been developed over the years, the formation and evolution of the solar system still remain unclear.
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From midplane to planets : the chemical fingerprint of a disk
This thesis addresses the chemical processes that determine the compositions of giant planet atmospheres.
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Group benefits from genomic instability: a tale of antibiotic warriors in Streptomyces
Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.
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Identifying the origins of galaxy formation
This thesis investigates how galaxies form and what diversifies the evolutionary histories of galaxies.
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Synergy Study: Sentinel2 –Sentinel3 Land Products
To deliver a Virtual Sensor tool optimised to exploit the synergy between Sentinels 2 and 3 to allow the consistent retrieval of land surface parameters (Albedo, LAI, and LST); To extend the existing capabilities of land EO data assimilation tools to add capacity to handle data in the thermal domain…
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Neonicotinoids in nature: The effects on aquatic invertebrates and their role in ecosystems
This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.
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Substrate adaptability of β-lactamase
The research aims to explore the evolutionary adaptability of enzymes and the impact of temperature on protein evolution pathways, using M. tuberculosis β-lactamase BlaC as the object of study. Enzymes inherently embody a delicate balance between activity and stability, and the acquisition of new enzymatic…
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The Great Collapse
Promotor: Prof.dr. S.F. Portegies Zwart
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Geïllustreerde handgeschreven archieven begrijpen
Veel handgeschreven en geïllustreerde archieven bevatten een schat aan informatie, maar worden weinig bestudeerd vanwege hun complexe en door computers moeilijk te ontcijferen inhoud. Het doel van dit project is een digitale omgeving te ontwikkelen die hier een oplossing voor biedt, en die de heterogene…
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Simulating the birth environment of circumstellar discs
Circumstellar discs are the reservoirs of gas and dust that surround young stars and have the potential to become planetary systems.
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Isotopes and the characterization of extrasolar planets
Diverse types of exoplanets such as gas giants on close-in orbits (hot Jupiters) and young massive giants on wide orbits (super Jupiters), with no analogs in the Solar System, pose challenges but also opportunities to our understanding of planet formation and evolution.
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Unveiling protostellar disk formation around low-mass stars
Promotor: Prof.dr. E.F. van Dishoeck
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Vergroten van Biodiversiteit op de Campus
Kijk regelmatig op deze pagina voor meer informatie over het vergroten van de biodiversiteit aan de Universiteit Leiden.
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Plant-soil interactions determine ecosystem aboveground and belowground processes in primary dune ecosystems
Soil biodiversity is of great importance for the maintenance of multifunctionality in terrestrial ecosystems.