PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012

     

Records 1 - 50 / 368

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Circuits in de landbouwvoedselketen : verscheidenheid en samenhang in de productie en vermarkting van rundvlees in Midden-Italië [PhD thesis]
Meulen, H.S. van der \ 2000
beef - meat production - marketing - italy - economic production - authenticity
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Identification of potato genes involved in Phytophthora infestans resistance by transposon mutagenesis [PhD thesis]
Enckevort, L.J.G. van \ 2000
potatoes - solanum tuberosum - phytophthora infestans - plant pathogenic fungi - disease resistance - transposable elements - transposition - mutagenesis - gene tagging - selection - plant breeding
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Manipulating the physiological quality of in vitro plantlets and transplants of potato [PhD thesis]
Mehari, T. \ 2000
solanum tuberosum - potatoes - in vitro culture - micropropagation - seed production - transplants - growth - growth analysis - leaf area index - leaf area - light penetration - dry matter accumulation - nitrogen - temperature - acclimatization
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Biochemistry and physiology of halorespiration by Desulfitobacterium dehalogenans [PhD thesis]
Pas, B.A. van de \ 2000
biodegradation - biological treatment - organic halogen compounds - microbial physiology - biochemistry - physiology
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Effective food supply chains : generating, modelling and evaluating supply chain scenarios [PhD thesis]
Vorst, J.G.A.J. van der \ 2000
businesses - management - food supply - chains - foods - distribution - market competition - mathematical models - simulation - supply chain management - logistics

Abstract:
The research described in this thesis aimed at ! obtaining insight into the applicability of the concept Supply Chain Management (SCM) in food supply chains (SCs) from a logistical point of view, and " finding an efficient and effective method to analyse and redesign the SC to improve SC performance. Via a multidisciplinary literature research the concept of SCM was defined and a generic list of SCM redesign principles was generated. Three case studies were used to devise a research method on the generation, modelling and evaluation of SC scenarios. Central elements in this method are ! the focus on the identification and management of the sources of uncertainties in SC decision making processes, and " the use of simulation and field tests to evaluate SC scenarios. A modelling framework was developed in this research that captures the relevant concepts of the SC system needed to adequately model and simulate the dynamic behaviour of food SCs. In each case study a new SC scenario could be identified that performed considerably better than the current scenario.

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Ecological networks in urban landscapes [PhD thesis]
Cook, E.A. \ 2000
landscape ecology - landscape - ecology - urban environment - urban planning - regional planning - land use - rural planning - rural development - arizona - usa
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The Botrytis cinerea endopolygalacturonase gene family [PhD thesis]
Have, A. ten \ 2000
tomatoes - solanum lycopersicum - plant pathogenic fungi - botrytis cinerea - pectins - cell walls - degradation - genetic analysis - genes - ?
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Pectinases of Aspergillus niger : a molecular and biochemical characterisation [PhD thesis]
Parenicová, L. \ 2000
aspergillus niger - polygalacturonase - taxonomy
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Structural characterisation and enzymic modification of exopolysaccharides from Lactococcus lactis [PhD thesis]
Casteren, W. van \ 2000
lactococcus lactis - polysaccharides
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Wildlife dynamics : an analysis of change in the Masai Mara ecosystem of Kenya [PhD thesis]
Ottichilo, W.K. \ 2000
wildlife - surveys - remote sensing - population dynamics - herbivores - ecology - ecosystems - kenya
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Functional and structural analysis of GP64, the major envelope glycoprotein of the Budded Virus phenotype of Autographa californica and Orgyia pseudotsugata Multicapsid Nucleopolyhedroviruses [PhD thesis]
Oomens, A.G.P. \ 1999
nuclear polyhedrosis viruses - baculoviridae - envelope glycoproteins - insect pests - biological control
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Exopolysaccharide biosynthesis in Lactococcus lactis : a molecular characterisation [PhD thesis]
Kranenburg, R. van \ 1999
lactococcus lactis - biosynthesis - polysaccharides
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Monopetalanthus exit. : a systematic study of Aphanocalyx, Bikinia, Icuria, Michelsonia and Tetraberlinia (Leguminosae, Casalpinioideae [PhD thesis]
Wieringa, J.J. \ 1999
caesalpinioideae - species - taxonomy - identification - trees - forest ecology - forests - africa
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Olfaction in the malaria mosquito Anopheles gambiae : electrophysiology and identification of kairomones [PhD thesis]
Meijerink, J. \ 1999
anopheles gambiae - smell - kairomones - electrophysiology - identification
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Optimising insemination strategies in pigs [PhD thesis]
Steverink, D. \ 1999
sows - pigs - artificial insemination - reproduction - reproductive efficiency - fertilization - spermatozoa - dosage - semen - oestrus - ovulation - time - mathematical models - simulation models - commercial farming
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Land use in Europe : a methodology for policy-oriented future studies [PhD thesis]
Latesteijn, H.C. van \ 1999
land use planning - land policy - government policy - arable farming - methodology - simulation models - yield increases - yield losses - soil water balance - agricultural land - environment - europe
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Management, structuur en cultuur : over het gebruik van organisatietheorieën in Breda [PhD thesis]
Polling, J. \ 1999
government organizations - organizational development - organizations - theory - change - management - public authorities - local government - history - netherlands - noord-brabant - organization
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Constrained optimisation of spatial sampling : a geostatistical approach [PhD thesis]
Groenigen, J.W. van \ 1999
kriging - statistical analysis - sampling - soil - geostatistics
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Competence and specificity of thrips in the transmission of tomato spotted wilt virus [PhD thesis]
Nagata, T. \ 1999
tomato spotted wilt virus - plant viruses - plant pathogens - plant diseases - thrips - vectors - transmission - agricultural entomology
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Beet mosaic virus : epidemiology and damage [PhD thesis]
Dusi, A. \ 1999
Beet mosaic virus - plant viruses - plant pathogens - plant diseases - epidemiology - crop damage - simulation models
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Physico-chemical properties and thermal aggregation of patatin, the major potato tuber protein [PhD thesis]
Pots, A.M. \ 1999
potato protein
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Effects of land use on regional nitrous oxide emissions in the humid tropics of Costa Rica : extrapolating fluxes from field to regional scales [PhD thesis]
Plant, R.A.J. \ 1999
nitrous oxide - emission - land use - silvicultural conversion - scaling - aggregation - costa rica
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Pollution effects on asthmatic children in Europe : the PEACE study [PhD thesis]
Roemer, W. \ 1998
air pollution - asthma - children - europe
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A genetic approach to study rhizobial Nod factor and mycorrhizal fungi activated signaling [PhD thesis]
Geurts, R. \ 1998
rhizobium - mycorrhizal fungi - molecular biology
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The role of macromolecular stability in desiccation tolerance [PhD thesis]
Wolkers, W.F. \ 1998
liquids - absorption - emission - circulation - senescence - abscission - degeneration - necrosis - aging - wilting - biochemistry - metabolism - polymers - molecular biology - biophysics - proteins - enzymes - nucleic acids - cell physiology
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Management of resistance to the fungicide fenpropimorph in Erysiphe graminis f.sp tritici [PhD thesis]
Engels, A.J.G. \ 1998
plant protection - pesticide resistance - fungicides - plant pathogenic fungi - erysiphales - mildews - control methods - plant pests - plant diseases - integrated pest management - integrated control
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Sulfate-reducing bacteria in anaerobic bioreactors [PhD thesis]
Oude Elferink, S.J.W.H. \ 1998
waste water treatment - water treatment - activated sludge - sulfate reducing bacteria - bioreactors - anaerobic treatment
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A peptide from the male accessory glands of the Colorado potato beetle [PhD thesis]
Smid, H.M. \ 1998
sex hormones - chrysomelidae - androgens - androsterone - proteins
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Corticosteroids and interleukin-1, messengers for communication between the endocrine and immune system in carp [PhD thesis]
Weyts, F.A.A. \ 1998
reticuloendothelial system - antibodies - immunoglobulins - hormones - endocrinology - cyprinidae - carp - adrenal cortex hormones - corticosterone - corticotropin
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Regeneration and genetic transformation in the Vitis genus = [Regeneratie en genetische transformatie in het genus Vitis = [PhD thesis]
Martinelli, L. \ 1997
recombination - crossing over - vitis - grapes
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Biopreservation in modified atmosphere packaged vegetables [PhD thesis]
Bennik, M.H.J. \ 1997
equipment - packaging - packaging materials - packing - plants - animals - preservation - machines
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Exochorda: five species or one? : a biosystematic study of the Rosaceous genus Exochorda [PhD thesis]
Gao Fangyou \ 1998
rosaceae - botany - taxonomy - classification - biological nomenclature - asia
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Zeeuwse akkerbouw tussen verandering en continuiteit : een sociologische studie naar diversiteit in landbouwbeoefening, technologieontwikkeling en plattelandsvernieuwing [PhD thesis]
Wiskerke, J.S.C. \ 1997
arable farming - farm management - innovations - technical progress - economic development - agriculture - rural planning - rural development - socioeconomics - rural communities - netherlands - economic planning - zeeland
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Non-homologous chromosome synapsis during mouse meiosis : consequences for male fertility and survival of progeny [PhD thesis]
Peters, A.H.F.M. \ 1997
muridae - mice - meiosis - sexual reproduction - parthenogenesis - polyembryony - fertility - survival - viability - interactions - environment - extinction - translocation - chromosome translocation - chromosomes - cytology - histology
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Photothermal experiments on condensed phase samples of agricultural interest : optical and thermal characterization [PhD thesis]
Favier, J.P. \ 1997
spectroscopy
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Achtkarspeler JWG-ers en in streekeigen kultuer : undersyk nei de ynfloed fan de streekeigen kultuer fan Achtkarspelen op it halden en dragen fan dielnimmers oan de JeugdWerkGarantie-wet [PhD thesis]
Verhaar, C.H.A. \ 1997
employment - young adults - ethnography - anthropology - culture - unemployment - prevention - rural communities - netherlands - folk culture - job creation - customs - ethnology - civilization - friesland
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Pesticide biotransformation and fate in heterogeneous environments [PhD thesis]
Vink, J.P.M. \ 1997
pesticides - pesticide residues - environmental degradation - microbial degradation - biotransformation - physicochemical properties - soil properties - soil chemistry - rivers - streams - canals - surface water - netherlands
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Kinetics of nitrogenase from Azotobacter vinelandii [PhD thesis]
Duyvis, M.G. \ 1997
enzymes - kinetics - nitrogenase
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Landschapsplanning en watersystemen in de zandgebieden van Nederland : naar een watersysteembenadering voor landschapsplanning, toegespitst op de ruimtelijke problematiek van de Nederlandse zandgebieden [PhD thesis]
Buuren, M. van \ 1997
landscape - landscaping - physical planning - hydrology - water balance - rivers - streams - canals - water - water supply - water use - nature reserves - rehabilitation - netherlands - hydrological cycle - water treatment - nature - ecological engineering
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Regulation of erucic acid accumulation in oilseed rape (Brassica napus L.) : effects of temperature and abscisic acid [PhD thesis]
Wilmer, J.A. \ 1997
metabolism - plant nutrition - assimilation - elements - Brassica napus var. oleifera - rape - temperature - heat - abscisic acid
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Biological control of cotton aphid (Aphis gossypii Glover) in cotton (inter)cropping systems in China : a simulation study [PhD thesis]
Xia, J. \ 1997
biological control - insects - beneficial insects - cotton - Aphididae - Coccinellidae - mixed cropping - intercropping - multiple cropping - interplanting - computer simulation - simulation - simulation models - China - Aphis gossypii - Coccinella septempunctata
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Hierarchical levels in agro-ecosystems : selective case studies on water and nitrogen [PhD thesis]
Ridder, N. de \ 1997
biology - systems - measurement - scaling - indicators - hydrology - water balance - soil - nitrogen - farming systems - geostatistics - hydrological cycle - agroecosystems

Abstract:
Agronomic research must switch from a reductionistic to a more holistic approach. Agro-ecosystem analysis at multiple hierarchical levels, the subject of this thesis, is such an approach. In the first chapter, several issues related to this subject are introduced: agro-ecosystem analysis; hierarchival levels; scaling and spatial up-scaling in agronomy. In the subsequent chapter examples are presented, that deal with agro-ecosytem analysis at hierarchival levels varying from plant to watershed

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Interspecific hybridization in the genus Tulipa L. [PhD thesis]
Creij, M.G.M. van \ 1997
tulipa - somatic hybridization - interspecific hybridization - hybrids - pollination - in vitro - experiments - ornamental bulbs
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Expression and release of proteolytic enzymes of Lactococcus lactis : ripening of UF-cheese [PhD thesis]
Meijer, W.C. \ 1997
cheese ripening
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Epidemiology of Eimeria acervulina infections in broilers : an integrated approach [PhD thesis]
Graat, L. \ 1996
veterinary science - coccidiosis - theileria - epidemics - epidemiology - broilers
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The use of gas exchange characteristics to optimize CA storage and MA packaging of fruits and vegetables [PhD thesis]
Peppelenbos, H.W. \ 1996
foods - food preservation - vegetables - fruit - respiration - catabolism - packing - vegetable products - storage - plant products - aerodynamics - mechanics - gases
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Changing gap junctional intercellular communication in mouse epidermal cells during tumorigenesis : a study on underlying processes [PhD thesis]
Jansen, L.A.M. \ 1996
neoplasms - muridae - mice - signal transduction - oncology - cell interactions
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Non-farm employment in rural Kenya : micro-mechanisms influencing food and nutrition of farming households [PhD thesis]
Mwadime, R.K.N. \ 1996
labour market - employment - household consumption - household expenditure - consumer expenditure - budgets - income - child nutrition - infant nutrition - households - consumption - paper - cardboard - paperboard - financial management
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An economic analysis of tradeable emission permits for sulphur dioxide emissions in Europe [PhD thesis]
Kruitwagen, S. \ 1996
precipitation - chemical properties - acidity - acid rain - atmosphere - environment - government policy - environmental policy - environmental legislation - air pollution - soil pollution - water pollution - air - hygiene - economic policy - instruments - permits - sulfur dioxide - quality - conservation - european union countries - measures
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Dairy stock development and milk production with smallholders = De ontwikkeling van jongvee en melkproduktie met kleine boeren [PhD thesis]
Jong, R. de \ 1996
dairy cattle - dairy farming - calves - small farms - development projects - planning - lifetime performance
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