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Biocontrol is usually enhanced at higher natural enemy diversity, but an important challenge is to know which natural enemy cocktails (i.e. combinations) are best to control pests. The positive effect of enemy diversity on biocontrol emerges when natural enemies complement each other (the “complemen

The objective of Influences project is to scientifically evaluate the environmental, agronomic, social, economic and anthropological impacts, from the plot to the landscape scale, of the introduction of woody resource restoration techniques started 17 years ago in the northern and central regions of

Humanity relies largely on a small number of crops for its subsistence. A major challenge facing agriculture is adaptation to ongoing climatic changes. Using existing crop species varietal diversity and the promotion of crop varietal replacement is viewed as an efficient short-term strategy for rapi

Gastro-Intestinal Nematodes (GIN) are a major threat causing economical losses and poor animal welfare for most livestock with access to pasture. Many farmers actually prefer to raise animals indoor to avoid contact with GIN. Current management is mostly based on systematic anthelmintic (AH) treatme

Regional species assemblages have been shaped by colonization, speciation and extinction over millions of years. During the last centuries, humans have dissolved natural biogeographic barriers. The introduction of alien invasive species (IAS) and subsequent loss of native (often endemic) species is

The deployment of plant genetic resistances to pathogens is essential to limit the use of pesticides in agriculture. The deployment of such varieties one by one on large surfaces leads to the adaptation of pathogen populations, making them ineffective. Mobilizing intraspecific diversity by combining

Agrifood sector have a decisive role to play in the new challenges of agroecology. cAnOPee is an interdisciplinary project that aims to develop a new approach to assess the components of the sustainability of an agri-food system. The chosen case study is the Protected Designation of Origin (PDO) dai

Madagascar is an island country and one of the most diverse biodiversity hotspots in the world. However, this biodiversity is threatened by climate change and by deforestation caused by demographic growth, urban and agricultural development, slash-and-burn practices, and fuelwood cutting. Even thoug

Fisheries contribute significantly to human nutrition and the economies of coastal populations. But fisheries are heavily exploited at a global scale occasionally leading to abrupt stock collapses. Thus, evaluating a fishery's risk-to collapse is paramount for the sustainable management of such comp