Stimulating carbon storage in disturbed French temperate peatlands

A Jacotot
Publicado: 13 Febrero 2023
Última edición: 13 Febrero 2023
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Summary

Lowland French peatlands are probably all disturbed in one way or another. Most of the time, the water table level was affected through drainage or infrastructure (e. g. road ditches). The result is an increase in the percentage cover of common species that do not favour C storage and biodiversity, such as Molinia caerulea, ericaceous shrubs or Carex paniculata. The dominance of these species occurs at the expense of sphagnum species, which are known as ecosystem engineer through their capacity to promote carbon storage in the form of peat. To tackle this issue, restoration actions were undertaken in two pilot sites in the framework of the Interreg NW Europe Care-Peat project: La Guette peatland (Loire Valley region) and Landemarais peatland (Brittany). First, the common vegetation and the first 10 cm of peat were stripped to get rid of this vegetation and its seed banks. Then, sphagnum was harvested extensively and gathered to form a patch. In this way, the method is both inexpensive and as less destructive as possible

Clasificaciones

Region
Europa Occidental y del Sur
Scale of implementation
Local
Ecosystem
Ecosistemas de agua dulce
Humedales (pantano, turberas)
Theme
Ciencia y investigación
Fragmentación del hábitat y degradación
Institucionalización de la biodiversidad
Mitigación del cambio climático
Restauracion
Challenges
Pérdida de la biodiversidad
Pérdida de ecosistemas
Sustainable development goals
ODS 13 - Acción por el clima
Aichi targets
Meta 1: Aumento de la sensibilization sobre la biodiversidad
Meta 2: Valores de biodiversidad integrados
Meta 5: Pérdida de hábitat reducida a la mitad o reducida
Meta 10: Ecosistemas vulnerables al cambio
Meta 11: Áreas protegidas y conservadas
Meta 15: Restauración de ecosistemas y resiliencia

Ubicación

Neuvy-sur-Barangeon, Cher, France
Parigné, Ille-et-Vilaine, France

Impacts

The sphagnum patches are the starting points from which sphagnum lawns are expected to develop. This should initiate a new durable peat layer that, in the long term, should store significant amount of carbon into the soil in the form of peat. In addition, such an action should promote biodiversity. To assess the impacts, different variables are monitored such as greenhouse gas fluxes and water table depths. Also, peat cores are taken to assess the carbon stock.

Contribuido por

Imagen de wmroz_42263

Wojciech Mróz Eurosite - the European Land Conservation Network

Other contributors

Sébastien Gogo
Université Rennes
Fatima Laggoun
CNRS
Juliette Mazeron
Université Orléans
Laurent André
BRGM
Amandine Demessence
Communauté de Communes Vierzon-Sologne-Berry
Emmanuelle Nogues
Conseil départemental d’Ille et Villaine
Alexandra Peyronnet
Conseil départemental du Cher
Adrien Jacotot
INRAe
Rémi Dupré
Conservatoire Botanique National du Bassin parisien
Francis Muller
Pôle-relais tourbières, Fédération des Conservatoires d’espaces naturels
Grégory Bernard
Pôle-relais tourbières, Fédération des Conservatoires d’espaces naturels