Ruminants

Development of new models:

The rusa deer (Timorensis rusa), an invasive species introduced in New Caledonia (a biodiversity hotspot) in 1870, is currently a major concern, both from an agricultural and environmental point of view, due to its dramatic impact on New Caledonian flora and fauna (including a large number of endemic species). The use of texture analysis as a cursor for the impact of rusa deer on New Caledonian habitats was proposed and tested in the framework of the annual monitoring of 10 populations. This was a completely new application of this approach in order to respond to the need to develop monitoring tools capable of helping in the decision-making process for the management of these populations, which are as adapted as possible to the New Caledonian context and issues.

Work in progress by Émilie Berlioz

In a lost corner of Mountain …

The objective was to test the relevance of dental eco-indicators to trace the altitudinal distributions of species according to those of habitats and food resources. For this, we relied on the analysis of eco-indicators frequently used by paleontologists (micro-wear, carbon and oxygen isotopes) on a community of 4 sympatric ruminant species (roe deer, red deer, mouflon and chamois) from the Bauges Regional Nature Park in the Alps.

Merceron et al., 2021 : https://www.sciencedirect.com/science/article/abs/pii/S0031018220305253

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