Nature in the Seine-et-Marne | Department of Seine-et-Marne

Seine-et-Marnais residential environment

The Seine-et-Marne is a large area covering almost half of the Île-de-France surface. Its forests, waterways, wetlands and agricultural ecosystems make it the region’s green lung. The department registers 1,500 plant species and 10,000 fauna species.

  • An international biosphere reserve stretches across the Fontainebleau forest, part of the Gâtinais bocage and the French Gâtinais;
  • La Bassée, the largest wetland in Île-de-France, has a national nature reserve within it;
  • The Fontainebleau massif has been branded as a unique forest since 2013. And whose natural and historic richness of its 25,000 acres has inspired painters, writers and photographers;
  • The department has also created sensitive natural areas, one of which, the Épisy Marsh, is on the green list of the International Union for the Conservation of Nature;

Seine-et-Marnai’s habitat in numbers:

The Natura 2000 network is a European system that aims to ensure the long-term survival of particularly endangered species and habitats. The inventory of natural areas of ecological, fauna and floristic interest, carried out by the state, aims to know as exhaustively as possible the remarkable natural, terrestrial and marine spaces.

The “Biosphere Reserve” label has been awarded by Unesco. It makes it possible to distinguish privileged places for the conservation and sustainable use of natural resources. Today, there are almost 400 reserves of this type, spread over the 5 continents, in the world.

In 1998, the mark was given by UNESCO to the Pays de Fontainebleau, which covers 70,000 hectares. According to the National Forestry Office, it is home to an impressive array of plant and animal species, including:

  • 5,800 plant species including 1,350 flowering plants,
  • 450 varieties of moss,
  • 3,000 varieties of mushrooms,
  • 500 lichen and as many algae,
  • 6,600 animal species including 57 mammals, 215 birds and 5,600 insects.

Sensitive natural areas

The Seine-et-Marne has a number of areas with remarkable ecological niches. Among them sensitive natural areas (ENS). Some are placed under the responsibility of the department, others under the responsibility of the municipalities.

A conservation mission

The institute participates in the preservation of its natural heritage by exercising its competencies regarding the ESA. This enables it in particular to acquire and manage notable websites. This tool can be used by municipalities that also want to get involved in the development of their area.

Public attention

Conservation can not be complete without raising public awareness of these ecosystems, which is done through the development of sites that make it possible to offer a route to the visitor and highlight all the assets of these sites, including historical and cultural.

The animation of the 22 branch sites that are ENS is entrusted by the department to an affiliated organization called the Seine-et-Marne Environnement or to local associations:

Publications

Remarkable trees

A remarkable tree is a tree with unique properties. It can be its dimensions, its age, its history or its unique appearance.

A total of 132 trees and groups of trees are listed in the departmental list of notable trees in the Seine-et-Marne, started in 1997.

For example, there is:

  • a majestic red oak, in the forest Fontainebleau, whose essence is rare in this massive. Its collared roots coming out of the ground reinforce the impression of power and stability that this tree gives,
  • a black poplar located on the banks of the Seine in Noyen-sur-Seine, in an environment very rich in plant diversity on ancient alluvial soil.

To find out more, see the site of the remarkable trees of the Seine-et-Marne published by the Council of Architecture, Urban Planning and the Environment (CAUE) of the Seine-et-Marne.

Seine-et-Marne’s green and blue network

The green and blue network in the Seine-et-Marne is a regional planning tool. Its goal is to limit the fragmentation of natural environments, a major cause of erosion of biodiversity in the world.

It corresponds to the association of three elements, which form the “ecological continuities” (according to environmental law).

  • reservoirs of biodiversity, protective species and natural environments, ie. rare and / or endangered,
  • ecological corridors, spaces of so-called ordinary nature, essential for the movement of animal and plant species. They connect the reservoirs of biodiversity,
  • streams and canals that are likely to serve as reservoirs or corridors.

To implement the green and blue frames, the department mobilizes several tools:

The department collaborates with many actors to support the development of ecological continuities in the Seine-et-Marne. It also helps the municipalities to apply the regional ecological coherence scheme in Île-de-France, which aims to preserve and restore ecological continuity.

The Biodiversity Atlas and the Landscape Atlas

The dynamic atlas of biodiversity in the Seine-et-Marne

Between 2005 and 2015, the department piloted the dynamic atlas of biodiversity in the Seine-et-Marne, conducted in partnership with the Associative and Scientific World (National Museum of Natural History, CNRS, Universities). This project has made it possible to identify the areas and species at stake in the Seine-et-Marne, the services that biodiversity offers and the threats to which it is exposed. This work resulted in the publication of four works dedicated to flora, fauna, natural environments and ecological continuities and human / nature relations, respectively.

Seine-et-Marnes landscape atlas

In 2007, the department published the Seine-et-Marnes landscape atlas with the support of the Council for Architecture, Urban Planning and the Environment (CAUE). This work has made it possible to provide the services of the department, the state and the design offices with a complete tool for knowledge of the territory from the angle of the landscape. Thus, 35 sets of landscapes were retained and 79 landscape units identified.

To discover the most beautiful walks in the Seine-et-Marne, download the Balade branchée application, which is offered free of charge by the National Forestry Office, the Green Space Agency in the Île-de-France region, the departments of the Seine-et-Marne and Yvelines.

Useful links

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