Search results for 'Ecophysiology' |
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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 |
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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 |
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Dieback of the Amazon rainforest giants? Can tree hydraulics provide a clue?
Amazon tropical rainforests are increasingly impacted by el-Nino droughts. During those severe drought events, it is especially the large canopy trees that are dying. It is thought that the water relationships (i.e. hydraulics) of ...
Supervisor: FEM group: Lourens Poorter
Other organisation: Dr Flavia Costa, INPA, Manaus, Brazil
Department: Forest Ecology and Forest Management Group |
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The wonderful architecture of leaf veins and their role for plant hydraulics
Leaf veins provide not only structure to the leaves, but they are also the irrigation channels through which all water transport occurs. Plant species show an amazing variety in leaf vein architecture, which is not only esthetical ...
Supervisor: FEM group: Lourens Poorter & Frank Sterck
Department: Forest Ecology and Forest Management Group |
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Why is the tree species composition in the Amazon changing? A functional trait approach
Permanent sample plots in the Amazon show that there is a directional change in tree species composition. The question is who are the winners (increasing in abundance), who are the loosers (decreasing in abundance), and why? Is it ...
Supervisor: FEM group: Lourens Poorter
Other organisation: Dr Flavia Costa, INPA, Manaus, Brazil
Department: Forest Ecology and Forest Management Group |
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What is the biomass of tropical rainforest trees?
Tropical forests store a quarter of all terrestrial biomass and play therefore an important role in the global carbon cycle. Much of the biomass in stored in giant emergent trees. Yet, estimations of carbon storage remain highly u ...
Supervisor: FEM group: , Lourens Poorter,
Department: Forest Ecology and Forest Management Group |
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Drought resistance of chestnut growing in Dutch forests
Also possible as MSc internship
Chestnut (Castanea sativa) is discussed as interesting species if it comes to making Dutch forest more resilient to climate change. By applying tree-ring research it becomes possible to check the ...
Supervisor: dr.ir. P (Paul) Copini dr. UGW (Ute) Sass-Klaassen
Department: Forest Ecology and Forest Management Group |
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Fertilization impacts on interactions between ungulates and forest vegetation
Open to:
Mainly MSc thesis projects, but there might be possibilities for MSc internship/ BSc thesis/ BSc internship.
Anthropogenic nitrogen deposition leads to eutrophication and soil acidification globally, which may change ...
Supervisor: FEM: dr.ir. J (Jan) den Ouden, WEC: dr.ir. IMA (Ignas) Heitkonig; dr.ir. PA (Patrick) Jansen; S (Sylvana) Harmsen MSc. Leontien Krul (De Hoge Veluwe National Park)
Depending on the topic, collaboration with Biometris supervisors is possible
Department: Forest Ecology and Forest Management Group |
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