This thesis (Light on phloem transport – an MRI approach) aims to answer the question whether phloem transport can be a limiting factor for photosynthesis efficiency (and ultimately causing a bottleneck towards achieving higher yields). To answer this key question, we manipulated the source: sink ratio within tomato (Solanum lycopersicum L.) while ...
Providing an up-to-date synthesis of knowledge relevant to the climate change issue, this book ranges from the basic science documenting the need for policy action to the technologies, economic instruments and political strategies that can be employed in response to climate change. Ethical and cultural issues constraining the societal response to c...
The goal of this thesis is to develop new comprehensive methods for the analysis of ESR spectra and interpretation of magnetic parameters. A new approach for the analysis of fast isotropic spectra is proposed. It is based on a combination of an experimental approach (multifrequency ESR) and accurate spectra simulation using an improved model, that ...
Een van de grote mysteries in het dierenrijk is de lange afstand migratie (5000-6000 km) van de Europese paling van de kusten van Europa naar zijn paaigebieden in de Sargasso Zee. Met name wil men weten hoe paling deze grote afstanden af kan leggen. Verslag van een experiment met palingen
Improved quantification and monitoring of biophysical and biochemical attributes is required to predict the response of ecosystems to climate change and acquire deeper understanding of the carbon cycle. Remote sensing is widely viewed as a time- and cost-efficient way to proceed with large-scale monitoring of vegetation parameters. For over thirty ...
Spectroscopic methods are not only important as an analytical tool, they also provide information about fundamental physical and chemical properties of molecules, the molecular and electronic structure, and the dynamic behaviour of molecules. Starting from a comprehensive quantum mechanical description, this book introduces the optical (IR, Raman, ...
In the last decades osteoporosis has become a major subject on the field of drug discovery and design. One of the enzymes recently considered important to use as a target for theses drugs is the enzyme H+-VO-ATPase. This proton pump is located in the osteoclast cells, which are positioned at the bone surface. These enzymes control the proton flux t...
Keywords: adaptability, agro-ecosystems, biophysical and socio-economic heterogeneity, economic benefits, N2-fixation, productivity.This thesis explores the potential of using herbaceous and grain legume species to improve soil fertility and farm productivity in the heterogeneous smallholder farming systems of westernKenya. Poor soil fertility is r...
