Palaeoecological reconstructions are fundamental for the understanding of interactions between all the mammalian communities in a given environment and their choices in terms of habitat, diet and migrations. During the Late Pleistocene in north western Europe, hyenas and human groups shared essentially the same ecological niche. A comparison of their crossed relationships could therefore yield important data on the palaeoecological context. Unfortunately, numerous Palaeolithic sites in north western Europe were excavated well before modern archaeological techniques were devised. Thus the faunal assemblages collected during those early excavations do not have any stratigraphic context and the results extracted from these collections by classical approaches are therefore limited. However, in the karstic region of the Meuse Valley (southern Belgium), many sites have yielded massive amounts of archaeological and palaeontological material dated to the MIS 3. One of the challenges of this on-going doctoral research is to attempt to study this area by attempting an ecological reconstruction based on these old faunal collections in order to highlight settlements and dispersions of the MIS 3 key-species like ungulates, carnivores and humans.

中文翻译：

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通过重新评估被遗忘的收藏品在MIS 3期间比利时和西北欧的古生态学和生存策略：一种方法论方法

古生态重建对于理解给定环境中所有哺乳动物群落之间的相互作用及其在生境，饮食和迁徙方面的选择至关重要。在西北欧的晚更新世期间，鬣狗和人类群体基本上共享着相同的生态位。因此，将它们的交叉关系进行比较可以得出有关古生态环境的重要数据。不幸的是，在设计现代考古技术之前，已经在欧洲西北部挖掘了许多旧石器时代遗址。因此，在这些早期挖掘过程中收集的动物群没有任何地层学背景，因此通过经典方法从这些收集物中提取的结果有限。但是，在默兹河谷（比利时南部）的岩溶地区，