Volker Nicolai

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Factors influencing decomposition in European forests growing on different soils were studied in stands dominated by the European beechFagus sylvatica L. Phenolic contents of freshly fallen leaves ofF. sylvatica growing on nutrient-poor soils (acid sandy soil) were higher than those of similar leaves on nutrient-rich soils (calcareous mull soil). Analysis(More)
The thermal properties of 26 African tree species in two different ecosystems were studied using thermocouples. In a subtropical moist forest were three bark types of trees: species with thin and smooth bark types with low values of insulation across the bark; species with a more structured bark type and medium insulation values; and species with(More)
The development of Lancetes claussi (Müller) is very strongly dependant upon temperature. The Q10 is 3.2–8.1, depending on the larval stage and the temperature. At 10°C the development from the egg to the adult takes an average of 180 days, at 15°C it is 80 days. Due to high mortality, development cannot be successfully completed at 15°C. Larval stage IV(More)
The arthropod communities living on the bark of the oak species Quercus macrocarpa and Q. ellipsoidalis were investigated in a North American oak savanna. Differences were found in the community structure of the arthropods living on the bark of these two tree species, although they have the same fissured bark type. In the North American oak savanna(More)
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