Christian Amblard proposes a definition of the biodiversity, which he comprehends from the functional angle. After an highlighting of this biodiversity dynamics, he presents the ecosystem services approach.
Mot(s) clés libre(s) : biodiversity, ecosystem services, sustainable development

Nadia Belaïdi presents the Peace Parks, which are protected areas having an objective of biodiversity cross-border protection, of peace between populations sharing resources, and of local development. Then she mentions all the discussions related to the recognition of the ecocide crime, which is an irreversible, intentional or not, act of destruction of an ecosystem.
Mot(s) clés libre(s) : law, Ecocide, biodiversity, international cooperation, Peace Parks

In this first part, discover what are the biodiversity, its origins 3,8 billion years ago, and its evolution mechanisms, especially the extinction crisis of the main species. You will better understand the current state of the biodiversity, and why it is important to preserve its dynamics.
Mot(s) clés libre(s) : biodiversity, crisis

Gilles Boeuf proposes a definition of the biodiversity, this "living fraction of the nature in all its complexity". He relies on many examples, pictures, samples, and always points out the strong connection between liquid water and life.
Mot(s) clés libre(s) : biodiversity, definition, water

In relation to the erosion of biodiversity, Gilles Boeuf presents arguments in favor of the upholding of this biodiversity: human health, technology innovation, bio-inspiration, or economy.
Mot(s) clés libre(s) : innovation, health, Bio-inspiration, biodiversity, economy

Gilles Boeuf comes back to the main stages of the history of life. He begins with the oceans, where life appeared over 3,5 billion years ago, mentions the lands conquest, and ends with the appearance of human groups and the combined transformations.
Mot(s) clés libre(s) : biodiversity

Gilles Boeuf reports the erosion of biodiversity and presents the four main factors which can be associated to this dynamics: destruction and pollution, resources overexploitation, species dissemination, climate change.
Mot(s) clés libre(s) : biodiversity, crisis, climate, invasive species, overexploitation

Christian Chaboud presents some models and issues related to the economic approach of fisheries and marine resources. He especially comes back to the Gordon Schaefer model, and to the economic assessment of the ecosystem services.
Mot(s) clés libre(s) : Gordon-Schaefer, biodiversity, economy, fishery, marine resources, ecosystem services

Philippe Cury explains how the overfishing affects the marine food webs, and he highlights some ecological consequences of this practice, like the jellyfishes proliferation or the disappearance of the predatory species of the sought species.
Mot(s) clés libre(s) : stocks, biodiversity, productivity, overfishing, jellyfishes

Thibault Datry presents the intermittent rivers, which punctually cease flowing or dry out. He shows the importance and the evolution of those ecosystems, and evidences their rich biodiversity.
Mot(s) clés libre(s) : biodiversity, intermittent rivers