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BSc-MSc Thesis and Internship Projects, Wageningen University

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 Search results for 'Lourens Poorter' Results 1 -10 of total 24, search took 0.031 seconds 
 
The role of Neotropical primates on tropical forests
Plant animal interactions in Tropical forests. Understanding the effect that primates have on forest development and possible cascading effects. For this project we are interested in determining the effect that primates have on ...
Supervisor: FEM group: Prof.Dr.Ir L (Lourens) Poorter; JI (Juan) Ramirez Chiriboga
Department: Forest Ecology and Forest Management Group
 
Do animals shape tree community assembly and functional composition of a Bolivian tropical rainforest?
Animals are an important component of tropical rain forests; through seed dispersal and predation, and the trampling and browsing of seedlings they can have a large filtering effect on what tree species are regeneration where. It  ...
Supervisor: Dr. Ir. Lourens Poorter
Department: Forest Ecology and Forest Management Group
 
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
 
Tree community assembly along topographic gradients in the Amazon. Linking species traits with forest plots and species distribution
Tropical rainforests in the Amazon are characterized by a steep topography. Crests , slopes and valley bottoms differ markedly in water availability, nutrient availability, and species composition. The questions is what traits all ...
Supervisor: FEM group: Lourens Poorter
Other organisation: Dr Flavia Costa, INPA, Manaus, Brazil

Department: Forest Ecology and Forest Management Group
 
What are the effects of grazing and burning on the vegetation and an endemic macaw in a Bolivian savanna?
The Blue-throated Macaw (Ara glaucogularis) is an endemic and endangered bird species. It inhabits palm forest islands that are scattered over the savanna in Beni, Bolivia. The savannas of Beni are inundated each year, and these p ...
Supervisor: FEM group: Lourens Poorter
Other organisation: Tjalle Boorsma (Asociación Civil Armonía)

Department: Forest Ecology and Forest Management Group
 
Nesting sites for the endemic and endangered Blue-throated Macaw
The Blue-throated Macaw (Ara glaucogularis) is an endemic and critically endangered parrot species inhabiting palm forest islands, located on elevated soils surrounded by natural grassland in the threatened Beni savanna ecoregion, ...
Supervisor: Lourens Poorter
Other organisation: Tjalle Boorsma (Asociación Civil Armonía)

Department: Forest Ecology and Forest Management Group
 
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
 
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
 
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
 
Dynamics of forest islands in a Bolivian savanna, and regeneration of the Motcu palm, a key resource for an endemic maca
150 years of extensive cattle ranching, grassland burning by farmers and deforestation have altered the state of the endangered Beni savanna ecoregion. Barba Azul Nature Reserve (11.000 ha) is the only reserve protecting this thre ...
Supervisor: FEM group: Lourens Poorter
Other organisation: Tjalle Boorsma (Asociación Civil Armonía)

Department: Forest Ecology and Forest Management Group
 
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