{"title":"Milieu dunaire","nodes":[{"id":1,"label":"Haut de plage","children":[]},{"id":2,"label":"Dune embryonnaire","children":[]},{"id":3,"label":"Dune blanche","children":[]},{"id":4,"label":"Dune semi-fix\u00e9e et fix\u00e9e","children":[]},{"id":5,"label":"Laisse de mer","children":[]}]}

---