2. Les poissons migrateurs amphihalins, traits d'union entre la mer et les eaux douces

Marion Gosselin proposes a focus on the dead wood, which is an essential component of the forests. The linked biodiversity, the saproxylic species, indeed represents 25% of the forest biodiversity. On

In this presentation, Jérémy Lobry defines the ecological features of the estuarine environments, which are transition areas between the ocean and the continental environment. He firstly highlights

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.

Eric Rochard presents the diadromous migratory fishes, which make migrations between freshwater and sea. After a presentation of this functioning and of an overview of the emblematic species, he comes

Marion Gosselin proposes an assessment of the forest biodiversity, which represents a large part of the global biodiversity. She focuses on metropolitan France and Europe, evidencing the nature and

In this third part, you will discover the biodiversity of the terrestrial and continental aquatic environments. Those environments are extremely diversified and are subjected to very specific dynamics

Christian Chauvin presents the aquatic plants of the waterways. After a definition of the macrophytes and some precisions regarding their functioning from an ecological point of view, he comes back to

Marion Gosselin proposes an overview of the ecological dynamics of the forest environments, alose named ecological successions. She presents their principal steps, from the pioneer stages to the

Dans cette présentation, Thibault Datry évoque les rivières intermittentes, rivières qui cessent de s'écouler ou qui s'assèchent de manière ponctuelle dans le temps. Il montre l'importance et l

Marion Gosselin propose un focus sur le bois mort, composant important et essentiel des forêts. La biodiversité associée, les espèces saproxyliques, représente en effet 25% de la biodiversité

Dans cette présentation, Jérémy Lobry définit les caractéristiques écologiques des milieux estuariens, zones de transition entre l'océan et le milieu continental. Il met en lumière d'une part la

Cette intervention de Christian Chauvin porte sur les végétaux aquatiques des cours d'eau. Après une définition des macrophytes et quelques précisions concernant leur fonctionnement d'un point de vue