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BSc-MSc Thesis and Internship Projects, Wageningen University

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 Search results for 'Temperate' Results 1 -10 of total 28, search took 0.017 seconds 
 
European forest resources: tree regeneration across Europe in relation to management and forest types
European forests are important for wood production, environmental services, carbon sequestration etc. They fulfil many functions for the European society. Their dynamics are steered by both climate and forest management. Especiall ...
Supervisor: FEM group: Prof Gert-Jan Nabuurs
Other organisation: Alterra; Mart-Jan Schelhaas/ Geerten Hengeveld

Department: Forest Ecology and Forest Management Group
 
Future ash trees - screening and selection of common ash for resistance to ash dieback
Ash dieback spreads across Europe and causes leaf loss, crown dieback and bark lesions in affected ash trees (Fraxinus excelsior). Once a tree is infected the disease is usually fatal. Results from Denmark indicate that ca 1% of a ...
Supervisor: FEM group: dr.ir. J (Jan) den Ouden
Centre for Genetic Resources, the Netherlands: dr.ir. P (Paul) Copini

Department: Forest Ecology and Forest Management Group
 
Comparing the ecology across European tree species
Project description: Foresters modify the structure and light environment of forests to manage the future development of the forest. Natural regeneration and competition between different species are important in current forest ma ...
Supervisor: Dr. Ir. F.J. (Frank) Sterck
Department: Forest Ecology and Forest Management Group
 
Understanding environmental effects on delta 13C and growth of tropical trees
Stable isotopes are variations of the same element in the number of neutrons in the core. They are chemically the same but differ in mass and therefore some biological processes discriminate against one of them. Carbon isotopes in ...
Supervisor: Dr. Pieter A. Zuidema


Department: Forest Ecology and Forest Management Group
 
Tapering of vessels in oak – a key feature to explain the dying-off?
There is a clear gradient in vessel size when following the same tree ring along a tree with vessel size increasing from the top of the tree towards the stem base. This phenomenon, known as tapering, is related to the hydraulic ar ...
Supervisor: Dr. U.G.W. (Ute) Sass-Klaassen; Dr. Dr. Ir. J. (Jan) den Ouden
Department: Forest Ecology and Forest Management Group
 
The distribution of genetic diversity of main tree species over Europe
Genetic diversity (GD) is the base of adaptation to environmental changes such as climate change. To use and conserve GD, Gene Conservation Units (GCUs) are installed throughout Europe (see: www.eufgis.org; www.euforgen.org). The  ...
Supervisor: FEM group: Koen Kramer, Frits Mohren
Other organisation: prof. Dr. Kärkkäinen Katri (Luke) katri.karkkainen@luke.fi; Dr. Vakkari Pekka (Luke) <pekka.vakkari@luke.fi>

Department: Forest Ecology and Forest Management Group
 
Stem cell development compared across species: from cambium to xylem and phloem cells
Xylem and phloem cell development in plant stems has been described in qualitative sense, but comparative and quantitative analyses that are required for understanding differences in stem development and functioning across plant s ...
Supervisor: FEM group: Frank Sterck, Ute Sass-Klaassen
Other organisation: Professor Fritz Schweingruber, Roman Zweifel (WSL, Switzerland)

Department: Forest Ecology and Forest Management Group
 
Growth responses to thinning in douglas fir
Douglas fir (Pseudotsuga menziesii) is one of the most productive tree species in European forests. Douglas fir stands are maintained by thinning until a point where regeneration is started and the old trees removed. Conventional  ...
Supervisor: FEM group: dr.ir. J (Jan) den Ouden
Other organisation: ing. René Olthof, Kroondomeinen het Loo

Department: Forest Ecology and Forest Management Group
 
Individual increment functions for douglas fir
Kroondomein Het Loo (a large forest estate near Apeldoorn) and the FEM group recently established two marteloscopes in douglas fir stands. Marteloscopes are forests especially designed for doing exercises in forest management. All ...
Supervisor: FEM group: dr.ir. J (Jan) den Ouden
Other organisation: ing. René Olthof, Kroondomein Het Loo

Department: Forest Ecology and Forest Management Group
 
Anatomical traits regulate cavitation resistance in conifer tree species
Conifers (co-)dominate in many forests in different climates across the temperate zone, with some species better adapted to cold or dry habitats than others. Their wood anatomical traits (i.e., extremely narrow tracheid size and  ...
Supervisor: Yanjun Song, Frank Sterck, Ute Sass-Klaassen
Department: Forest Ecology and Forest Management Group
 
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