Publication

Les arbres-habitats, hauts lieux de la biodiversité

Rita Bütler Sauvain
2024

Abstract

Certains arbres, lorsqu'ils prennent de l'âge, portent ce que l'on appelle des dendromicrohabitats. Ils deviennent alors des arbres-habitats, accueillant d'innombrables espèces d'animaux, de plantes, de lichens et de champignons. Les interactions complexes entre ces différentes espèces garantissent le bon fonctionnement de nos écosystèmes, en particulier en forêt. Les arbres-habitats jouent également un rôle crucial dans les zones urbaines ou agricoles, ce qui en fait des éléments précieux à reconnaître et à protéger. Partons à leur découverte.

Official source

https://infoscience.epfl.ch/entities/publication/e11eca77-8575-40ba-8065-09d901738955

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Rita Bütler Sauvain
2024

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/e11eca77-8575-40ba-8065-09d901738955

About this result

Related concepts (2)

Lichen

A lichen (ˈlaɪkən , UKalsoˈlɪtʃən ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship. Lichens are important actors in nutrient cycling and act as producers which many higher trophic feeders feed on, such as reindeer, gastropods, nematodes, mites, and springtails. Lichens have properties different from those of their component organisms. They come in many colors, sizes, and forms and are sometimes plant-like, but are not plants.

Lichen planus

Lichen planus (LP) is a chronic inflammatory and immune-mediated disease that affects the skin, nails, hair, and mucous membranes. It is not an actual lichen, and is only named that because it looks like one. It is characterized by polygonal, flat-topped, violaceous papules and plaques with overlying, reticulated, fine white scale (Wickham's striae), commonly affecting dorsal hands, flexural wrists and forearms, trunk, anterior lower legs and oral mucosa. The hue may be gray-brown in people with darker skin.