Corne E. van Daalen

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Several hypotheses have been proposed for explaining animal aggregation, including energy or water conservation. However, these physiological hypotheses have not been well investigated. Here, we report the effects of aggregation on metabolic ( ) and evaporative water-loss rates ( ) of the gregarious caterpillar Eutricha capensis, by comparing individuals(More)
The influence of thermal history on temperature-dependent flight performance was investigated in an invasive agricultural pest insect, Ceratitis capitata (Diptera: Tephritidae). Flies were exposed to one of four developmental acclimation temperatures (Tacc: 15, 20, 25, 30°C) during their pupal stage and tested at these temperatures (Ttest) as adults using a(More)
This paper presents a case study of an analysis of a Corrective Maintenance process to realize performance improvement. The Corrective Maintenance process is supported by SAP, which has indicated the performance realisation problem. System Dynamics is used in a Group Model Building process to structure the problem and to develop a dynamic(More)
Detection and tracking of moving objects (DATMO) is essential for autonomous navigation systems operating in general environments. Dynamic objects must be identified, localized, and their future positions predicted to assist in decision making regarding path planning and collision avoidance. To this end, we combine information from a short range frequency(More)
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