Browsing Naturwissenschaften, Mathematik und Informatik by Referee "Worbes, Martin PD Dr."

Coffee Productivity and Water Use in Open vs Shaded Systems along an Altitudinal Gradient at Mt. Elgon, Uganda

Sarmiento Soler, Alejandra (2021-02-05)

Coffee is one of the most important agricultural products worldwide. It provides the livelihood of 25 million farmers in tropical countries and of approximately 125 million people along the production chain. Furthermore, ...

Effects of local and landscape scale factors on ant diversity and biocontrol of the coffee berry borer in Colombia

Escobar-Ramírez, Selene (2018-08-07)

The coffee berry borer –CBB- (Hypothenemus hampei) is the economically most important pest of coffee worldwide. Within the Integrated Pest Management –IPM- strategy for this borer, the biological control component has ...

Treatment of solid wood with silanes, polydimethylsiloxanes and silica sols

Pries, Malte (2014-11-25)

The study can be divided into three sections. In the first section, wood was treated with different commercially available silica sols of varying pH and surface modification. While alkaline silica sols could not be impregnated ...

Ant community structure and biological control in Indonesian cacao agroforestry: long-term changes, land-use management and precipitation gradients

Rizali, Akhmad (2012-12-06)

Land-use and climate change are the most important driver of biodiversity loss in terrestrial ecosystems. In agricultural habitats, intensification of agricultural management through the conversion to monocultures and ...

Ecological information of ring width, stable carbon isotope composition and wood anatomical variables in tropical tree rings - A contribution to dendrochronology in the tropics

Fichtler, Esther (2012-04-25)

Trees are long living organisms and record ecologically relevant information in their growth rings. Studying tree growth on the base of tree rings can help to fill some of the major research gaps concerning the age and ...

Fire and stand dynamics in different forest types of the West Khentey Mountains, Mongolia

Byambasuren, Oyunsanaa (2011-11-24)

This research focused on the reconstruction of historical fire regimes, structure and dynamic patterns of different types of forests, specifically to examine present tree species composition, ...

The effects of the root endophytic fungus Acremonium strictum on plant-herbivore interactions

Jaber, Lara (2010-07-23)

The widespread occurence of endophytic fungi in virtually all plant species has prompted an increasing number of investigations into the ecological significance of these cryptic microorganisms ...

Production potential and ecosystems quality of secondary forests recovered from agriculture - tools for landuse decisions

Ruiz-Garvia, Carlos Alberto (2008-07-29)

Secondary forests in large areas of Semiarid Americas play a vital role in the maintenance of land qualit and are also important for the community. The tota vide he potential for forest production ...

Potential of the predatory pentatomid <i>Eocanthecona furcellata</i> (Wolff) as a biocontrol agent on American bollworm in cotton in Myanmar

Nyunt, Khin Thein (2008-06-02)

The American Cotton Bollworm (Helicoverpa armigera Hübner)(ABW) is one of the most serious pests of cultivated crops, especially in cotton in Myanmar. Insecticide applications to control ...