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

     

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    We will mail you new results for this query: (dissertatie/nummer=* AND publication year==2004)
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De acute daling van leptine na een energiearme voeding : een biologische indicator voor de gevoeligheid voor het ontwikkelen van overgewicht? [PhD thesis]
Mars, M. \ 2004
obesity - overweight - nutrition - hormones - food intake - appetite control - food restriction - diet - energy intake
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Upscaling of nonlinear reactive transport : from pore to core [PhD thesis]
Acharya, R.C. \ 2004
porous media - transport processes - flow - pores - pore size - pore size distribution
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Innovations in microspore embryogenesis in Indonesian hot pepper (Capsicum annuum L.) and Brassica napus L. [PhD thesis]
Supena, E.D.J. \ 2004
capsicum annuum - chillies - brassica napus - micropropagation - embryogenesis - anther culture - haploidy - germ cells - plant breeding
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In hot water : a study on sociotechnnical intervention models and practices of water use in smallholder agriculture, Nyanyadzi catchment, Zimbabwe [PhD thesis]
Bolding, A. \ 2004
water use - water management - small farms - zimbabwe - government - intervention - agricultural policy
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Pulmonary hypertension syndrome in chicken : peeking under QTL peaks [PhD thesis]
Rabie, T.E.K.M. \ 2004
broilers - fowls - ascites - hypertension - quantitative traits - gene mapping - genes - genetics
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Agricoltura in transizione: la forza dei piccoli passi : un' analisi neo-istituzionale delle innovazioni contadine [PhD thesis]
Milone, P. \ 2004
agricultural development - cap - agricultural policy - innovations - farmers - agricultural structure - landscape conservation - natural resources - food production - agricultural production - sustainability - socioeconomics - europe - italy - netherlands - identity
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Irrigation and nitrogen use efficiency of Thuja occidentalis grown on sandy soils [PhD thesis]
Pronk, A.A. \ 2004
thuja occidentalis - water use efficiency - irrigation - growth - nurseries - sandy soils - nitrogen - nitrogen fertilizers
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Towards functional analysis of ENOD40 [PhD thesis]
Compaan, B. \ 2004
rhizobium - fabaceae - nodulins - plant proteins - root nodules - gene expression - nodulation - symbiosis
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Diet, lifestyle, and molecular alterations that drive colorectal carcinogenesis [PhD thesis]
Diergaarde, B.B.M.E. \ 2004
carcinoma - neoplasms - intestinal diseases - gastrointestinal diseases - lifestyle - food hygiene - nutritional state - consumption patterns - health - genetic disorders - environmental factors
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The African rain forest during the Last Glacial Maximum, an archipelago of forests in a sea of grass [PhD thesis]
Leal, M.E. \ 2004
caesalpinioideae - rain forests - species - species diversity - phytogeography - drought resistance - climatic change - extinction - gabon - africa - glacial periods - pleistocene - holocene
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Environmental-economic modelling of novel protein foods : a general equilibrium approach [PhD thesis]
Zhu, X. \ 2004
economics - environment - equilibrium theory - models - environmental policy - environmental impact - food chains - consumption - protein foods - pigmeat - netherlands - livestock - animal products - life cycle assessment - manure surpluses
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Optimisation of the pond rearing of Nile tilapia (Oreochromis niloticus niloticus L.) : the impact of stunting processes and recruitment control [PhD thesis]
Graaf, G. de \ 2004
tilapia - oreochromis niloticus - fish ponds - fish culture - reproduction - sexual maturity - growth - recruitment - simulation models - aquaculture
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Sense & sensitivity : a quantitative genetic analysis of gene-environment interactions in life history traits in the nematode Caenorhabditis elegans [PhD thesis]
Gutteling, E.W. \ 2004
caenorhabditis elegans - genetic analysis - environment - phenotypes - genotypes
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The entomopathogenic fungus Metarhizium anisopliae for mosquito control : impact on the adult stage of the African malaria vector Anopheles gambiae and filariasis vector Culex quinquefasciatus [PhD thesis]
Scholte, E.J. \ 2004
anopheles gambiae - culex quinquefasciatus - culicidae - biological control - metarhizium anisopliae - entomogenous fungi
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Dormancy, activation and viability of Rhizopus oligosporus sporangiospores [PhD thesis]
Thanh, N.V. \ 2004
rhizopus microsporus - fungal spores - sporangia - dormancy - viability - inoculum - starters - amino acids - tempeh
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Interactions among endoparasitic root-feeding nematodes: consequences for nematodes and host plant [PhD thesis]
Brinkman, E.P. \ 2004
nematoda - plant parasitic nematodes - host plants - host parasite relationships
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Defined fungal starter granules for purple glutinous rice wine [PhD thesis]
Dung, N.T.P. \ 2004
winemaking - wines - rice - fermentation - microbiology - starters - yeasts - fungi - quality - vietnam
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Life history strategies and biomass allocation : the population dynamics of perennial plants in a regional perspective [PhD thesis]
Jongejans, E. \ 2004
asteraceae - cirsium - centaurea - dipsacaceae - perennials - life cycle - population dynamics - propagation - biomass production - spatial variation - temporal variation - mathematical models
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Integrating geo-information models with participatory approaches : applications in land use analysis [PhD thesis]
Nidumolu, U.B. \ 2004
geographical information systems - land use - analysis - participation - participative management - andhra pradesh - india

Abstract:
In this thesis we demonstrate some methods to integrate biophysical data with socio-economic variables with applications in agricultural land use analysis. Part of Nizamabad District of Andhra Pradesh State in India is considered for developing and testing the methods developed. First the study area is stratified as a pre-field work exercise for a focused land use analysis. Stratification of the land into categories on the basis of land use analysis objectives, such as crop management improvement, crop selection and conservation helped focus on these distinct areas with different analysis requirements. The relations between ‘land’ as a biophysical factor and its ‘use’ as a socio-economic factor were analysed using GIS techniques to spatially differentiate these categories. Two categories viz., Crop Management Improvement and Crop Selection were analysed further. Identifying yield-limiting factors in support of planning and extension agencies is the focus of study in areas identified for Crop Management Improvement. While traditional yield gap studies compared yields at research stations and in farmers’ fields, we considered yield variability among farmers’ fields in similar socio-economic and environmental conditions. In this situation, the yield gaps are mainly due to differences in management practices. What if?- scenarios, generated using the multiple goal optimisation modelling tool, were integrated with a stakeholder communication matrix (SCM) in the Crop Selection areas. SCM indicates the level of communication and information-sharing among key stakeholders in the district. The multiple goal model considered the aspirations of various stakeholders and the matrix presented the communication and information-sharing dynamics, understanding of which is essential for participatory land use analysis. Integration of the goal model with the SCM allowed identification of the possible bottlenecks in the implementation of the model results, allowing resource managers to initiate curative measures where required. Fuzzy modelling of farmers’ perceptions of land suitability emphasised the need for biophysical planners to consider the views of farmers while formulating land viii use options. The preference of farmers for crops was based on variables such as cropping season, soils and water availability. The study explores similarities and contrasts in the way scientists and farmers perceive land suitability.

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ABC transporters from Botrytis cinerea in biotic and abiotic interactions [PhD thesis]
Schoonbeek, H. \ 2004
botrytis cinerea - plant pathogenic fungi - pathogenesis-related proteins - genes - gene expression - active transport - host parasite relationships - eugenol
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