433 zoekresultaten voor “ecosystem functioning” in de Publieke website
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Anthropogenic effects on links between macro-invertebrate diversity and ecosystem functioning
How are links between macro-invertebrate diversity and ecosystem functioning influenced by anthropogenic pressures?
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relation to the strategies of wetland plants and the impacts on ecosystem functioning
What are trait-trait relationships in wetlands? To what extent the so-called leaf economics traits deviate from terrestrial ecosystems? How traits specific to wetland plant relate to plant strategies? What’s the relationship between wetland plant traits to the ecosystem functioning (e.g. productivity,…
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Remote sensing-based assessment of functional diversity for polar ecosystems
1: What is the relative importance of alfa and beta biodiversity in polar ecosystems, and how does intraspecific variation influence this? 2: How can we use remote sensing to determine functional biodiversity (within communities) in polar ecosystems? 3: Temporal and spatial scales of functional biodiversity:…
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Quantification of ecosystem services within river catchments
How can ecosystem services within river catchments be quantified in spatial and temporal explicit way?
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General plant strategies and functions in wetlands: Global trait-based analyses
Wetland plants are distinguished from plants of other terrestrial ecosystems by their adaptations to specific habitat stresses, including waterlogged and flooding and the subsequent abundance of phytotoxic compounds.
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Leon Hauser
Wiskunde en Natuurwetenschappen
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Peter van Bodegom
Wiskunde en Natuurwetenschappen
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Ecological functioning of bacterial chitinases in soil
Promotores: Prof.dr. H. van Veen & Prof.dr. W. de Boer (Wageningen University)
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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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The Monetary Valuation of Water-related Ecosystem Services
While ecosystems have concrete benefits for human society, these benefits are typically overlooked in decision-making.
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Yingji Pan
Wiskunde en Natuurwetenschappen
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Adaptive Semi-Strong Ecosystem Dynamics
Developing methodes to understand the evolution of patches in natural ecosystems
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Attacks on hash functions and applications
Promotores: R. Cramer, A.K. Lenstra, Co-Promotor: B.M.M. de Weger
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Global Fields and Their L-functions
Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.
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Ecological functions and environmental fate of exopolymers of Acidobacteria
Acidobacteria is a widely distributed phylum but their functional roles in ecosystem processes are still largely elusive.
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Regulators of integrin α6β4 function
This thesis describes our search to identify and understand possible regulatory mechanisms of integrin α6β4 in cell-matrix adhesion and intracelular signaling.
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Profinite groups with a rational probabilistic zeta function
Promotores: H.W. Lenstra, A. Lucchini
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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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Symmetric Diophantine approximation over function fields
Promotor: Prof.dr. P. Stevenhagen, Co-Promotor: J.H. Evertse
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Physics implications of shape on biological function
Shape and biological function are tightly connected. Physical descriptions are used to connect the shape of a biological system with its function.
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Motor - Building with Nature to optimise coastal protection and other ecosystem services
How can mega sand nourishments, such as the Sand Motor, be designed and managed for optimal ecosystem services provision ?
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Discrete tomography for integer-valued functions
Promotor: S.J. Edixhoven, Co-promotor: K.J. Batenburg
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BIOMOT: Motivational strength of ecosystem services and alternative ways to express the value of biodiversity
Do sustainability values play a role in motivating people to act for biodiversity in successful projects and in successful leadership action? And how could these values be incorporated in current economic valuation methods?
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PhD candidate, Evaluation of ecosystem services to enhance urban biodiversity
Wiskunde en Natuurwetenschappen, Centrum voor Milieuwetenschappen Leiden (CML)
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Towards understanding the toxicity of copper nanoparticles in aquatic ecosystems
Promotores: Prof.dr. W.J.G.M. Peijnenburg & Dr. M.G. Vijver
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Positive representations of algebras of continuous functions
If X is a locally compact Hausdorff space, then a representation of the complex C* algebra C_0(X) on a Hilbert space $H$ is given by a spectral measure that takes its values in the orthogonal projections on $H$.
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Two postdoctoral researchers for project 'Catalyzing knowledge ecosystems for societal transitions'
Governance and Global Affairs, Sociale Wetenschappen
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Shtuka cohomology and special values of Goss L-functions
Assuming everywhere good reduction we generalize the class number formula of Taelman to Drinfeld modules over arbitrary coefficient rings.
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Assistant Professor of Ecosystem Approaches in Environmental Toxicology (0.8-1.0 fte)
Wiskunde en Natuurwetenschappen, Centrum voor Milieuwetenschappen Leiden (CML)
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a changing landscape: Human carnivore interactions in Afroalpine ecosystems of Ethiopia
Do Ethiopian wolves change their diet and foraging strategy in the landscape under different land uses? How land use affect Afro-alpine rodent Communities? How important are Afro-alpine natural resources utilisation for local livelihoods? What is the human perception of conflict in the Afro-alpine a…
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Catecholamine function, brain state dynamics, and human cognition
Het onderzoek in dit proefschrift kijkt naar de rol van het locus ceuruleus - noradrenalinesysteem in verscheidene aspecten van menselijke cognitie, en de modulatie van de staat van het brein.
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Temperatuurstijging tast ecosysteem bergen aan
Hogere temperaturen leiden wereldwijd tot veranderingen in de vegetatie en de bodem van berggebieden. Een internationaal onderzoeksteam met de Leidse ecoloog Ellen Cieraad publiceerde op 25 januari in Nature over de verstoring van het ecosysteem.
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Functions of P38 and ERK kinases in zebrafish early development
Promotor: Prof.dr. H.P. Spaink, Co-promotor: Dr. B.E. Snaar
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The Function of Toll-like receptor 2 in Infection and Inflammation
The function of TLRs in innate immunity has aroused worldwide attention soon after its discovery. Because of the broad functions of TLR2 in innate immunity, the drive for the development of TLR2-targeted vaccines or therapeutic treatments has accelerated in the last decades.
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Assessment of monitoring tools and strategies safeguarding aquatic ecosystems within the European water framework directive
CML rapport 192
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hunt: effects of noise on predator-prey relationships in a marine ecosystem
The effects of anthropogenic noise on interactions between predators and their prey are still little understood.
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Global distribution patterns of distinct mycorrhizal types and ecological drivers of these patterns
What are the global relationships between environmental conditions and abundance of distinct types of mycorrhizal fungi in soil and plant roots?
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Rare Earth Supply Chain and Industrial Ecosystem: A Material Flow Assessment of European Union
1) Assess the trends in supply and production status of these critical minerals and mineral products worldwide and Europe’s dependence including on intermediate products such as permanent magnets, RE based super alloys, batteries, polishing compounds, phosphors, catalysts etc. 2) Trace the entire value…
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Peeking into the future: Fungi in the greening Arctic
Promotor: E.F. Smets, Co-promotor: J. Geml
- PhD position 1 (Utrecht University) – Avoiding tipping of savanna ecosystems (1.0 FTE) & PhD position 2 (Leiden University) – Spatial patterns
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Functions of leptin in tuberculosis and diabetes: multi-omics studies across species
In this thesis, I study 1) metabolic alterations in tuberculosis related to wasting syndrome in human patients as well as in rodent and fish animal models. 2) effects of the mutation of the leptin gene on cachexia and diabetes in rodent and zebrafish animal models.
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Sex effects on development of brain structure and executive functions: Greater variance than mean effects
In dit onderzoek wordt hersenontwikkeling voor het eerst direct gelinkt aan sekseverschillen en schoolprestatie. De resultaten ontkrachten de mythe dat jongens achterlopen in hersenontwikkeling.
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Maternal reflective functioning: Influence on parenting practices and the early development of externalizing behavior
Het terugdringen van agressie is in de afgelopen jaren in toenemende mate een maatschappelijke prioriteit geworden. Agressie in de vroege kindertijd vergroot de kans op latere agressieproblemen en antisociaal gedrag.
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The mechanical genome : inquiries into the mechanical function of genetic information
The four possible segments A, T, C and G that link together to form DNA molecules, and with their ordering encode genetic information, are not only different in name, but also in their physical and chemical properties.
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Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International
Op 7 november 2018 verdedigde Catherine Harwood haar proefschrift 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. Het promotieonderzoek is begeleid door promotoren prof. dr. L.J. Van den…
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The link between hearing loss, language, and social functioning in childhood
In Nederland komt gehoorverlies voor bij 1 tot 2 op de 1000 kinderen. In ongeveer een kwart van de gevallen is de oorzaak niet bekend. De mate van gehoorverlies kent een grote variatie. In dit proefschrift worden kinderen besproken met een gehoorverlies variërend van matig (40 dB, te vergelijken met…
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Feng Lin
Wiskunde en Natuurwetenschappen
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Duurzame toekomst
Hoe kunnen we onze maatschappij zo inrichten dat de wereld leefbaar blijft voor onszelf en al het andere leven om ons heen? Aan dat vraagstuk werken Leidse wetenschappers samen vanuit allerlei disciplines, van biologie tot datawetenschap en van milieueconomie tot archeologie.
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C-SCAPE - Sandy strategies for sustainable coastal climate change adaptation
What is the optimal design of sandy solutions for sustainable climate change adaption, from an ecological, biophysical and societal point of view?
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Johanna Schild
Wiskunde en Natuurwetenschappen