Koen Deforce

ORCID: 0000-0003-3075-2564
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About
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Research Areas
  • Archaeology and ancient environmental studies
  • Ancient and Medieval Archaeology Studies
  • Historical and Archaeological Studies
  • Geology and Paleoclimatology Research
  • Image Processing and 3D Reconstruction
  • Pleistocene-Era Hominins and Archaeology
  • Ancient Mediterranean Archaeology and History
  • Cultural Heritage Materials Analysis
  • Maritime and Coastal Archaeology
  • Archaeological Research and Protection
  • Geological formations and processes
  • Paleopathology and ancient diseases
  • Aeolian processes and effects
  • Botany and Plant Ecology Studies
  • Energy, Environment, Agriculture Analysis
  • Insect and Pesticide Research
  • Insect-Plant Interactions and Control
  • Historical Studies and Socio-cultural Analysis
  • Tree-ring climate responses
  • Forensic Anthropology and Bioarchaeology Studies
  • Horticultural and Viticultural Research
  • Building materials and conservation
  • Archaeological and Geological Studies
  • Agriculture and Rural Development Research
  • Medieval European History and Architecture

Ghent University
2014-2024

Institute of Natural Sciences
2015-2024

Agentschap voor Natuur en Bos
2021-2022

Agence Wallonne du Patrimoine
2011-2022

Flemish Government
2015-2022

American Society of Safety Professionals
2020-2021

Royal Institute for Cultural Heritage
2016-2018

Koning (United States)
2013-2015

Province of Antwerp
2015

Rode Kruis-Vlaanderen
2015

Abstract Due to growing criticism over the use of non‐indigenous coccinellids, two‐spot ladybird, Adalia bipunctata (L.), has enjoyed increasing attention for aphid biocontrol in Europe. In current study, eggs Mediterranean flour moth, Ephestia kuehniella Zeller, whether or not supplemented with bee pollen, were evaluated as a factitious food larvae and adults A. . The predator showed slower larval development lower survival when reared on live pea aphids, Acyrthosiphon pisum (Harris), than...

10.1002/ps.1111 article EN Pest Management Science 2005-09-05

The multicoloured Asian lady beetle Harmonia axyridis (Coleoptera: Coccinellidae) may potentially exploit a range of "alternative" food sources.The nutritional value three common non-prey groups, i.e. fruit, fungi and pollen, is examined in this study.Development, reproduction survival the species were assessed laboratory on diets apple, pear raspberries Oidium lycopersicum, Botrytis cinerea, Sclerotinia sclerotiorum Rhizoctonia solani.When fed exclusively these foods ladybird failed to...

10.14411/eje.2010.025 article EN European Journal of Entomology 2010-04-15

Wood preserved in the corrosion layer of two early medieval iron objects was examined using X‐ray tomography. A state‐of‐the art multi‐resolution tomography set‐up ( http://www.ugct.ugent.be ) provided virtual cross‐sections archaeological wood samples at sub‐micron resolution. These were compared with scans similar modern wood. demonstrate power for identification, although process mineralization pushes this technique to its limits. Furthermore, facilitated appraisal mineral content wood,...

10.1111/j.1475-4754.2011.00640.x article EN Archaeometry 2011-12-05

Frankincense, the oleogum resin from Boswellia sp., has been an early luxury good in both Western and Eastern societies is particularly used Christian funerary liturgical rites. The scant grave goods late medieval burials comprise laterally perforated pottery vessels which are usually filled with charcoal. They occur most regions of western Europe interpreted as incense burners but have never investigated advanced analytical techniques. We herein present chemical anthracological results on...

10.1371/journal.pone.0113142 article EN cc-by PLoS ONE 2014-11-12

Our work on a speleothem in the Hotton cave reveals 5000-year record of past floods through deposition detrital layers flowstone covered by mud during exceptional 2021 flood. The palaeorecord other such around 1550 CE (Common Era), 30 and 350 BCE (Before Common Era). Further down, period between 3.3 2.6 shows ‘dirty calcite’ with several smaller indicating much more regular floods. In frame Leap Project (learning from - impact abrupt climate changes society environment...

10.5194/egusphere-egu25-17668 preprint EN 2025-03-15

AbstractAbstractThe material remains and environmental data recovered during a rescue excavation in 2002–03 the castle of new town Middelburg-in-Flanders throw light on site, region landscape wartime. The paper discusses historical context at turn 16th century, castle, taphonomy chutes, analysis artefacts ecological from two garderobe chutes upper court, concludes with synthesis focussing interpretation excavated record historically attested natural socio-economic disruption caused by...

10.1179/174581307x236201 article EN Post-Medieval Archaeology 2007-06-01

The study of charcoal production pits (pit kilns), excavated in central Belgium, provides information on Early and High Medieval woodland dynamics human impact the forest composition Northwest-European Lowland. Radiocarbon dating recovered from kilns demonstrates two different phases production, one during period (c. 650 AD–950 AD) 1040 AD–1260 AD). Charcoal identification shows that are dominated by beech (Fagus sylvatica) while younger oak (Quercus sp.), indicating a shift composition....

10.1080/14614103.2018.1538087 article EN Environmental Archaeology 2018-10-26

To characterize patterns in the taxonomic diversity of parasites infecting population Aalst, Belgium, between 12th and 17th centuries.14 sediment samples from seven cesspits dated 1100-1700 CE.Digital light microscopy Enzyme-linked immunosorbent assay (ELISA).We identified eggs four species helminths: whipworm (Trichuris trichiura), roundworm (Ascaris lumbricoides), Echinostoma fluke Dicrocoelium fluke. ELISA results for protozoal were negative.Taxonomic parasite infections remained constant...

10.1016/j.ijpp.2023.03.001 article EN cc-by International Journal of Paleopathology 2023-03-21
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