Forest Managed Biological Reserve · fra
Grossman
- Area
- 16 km²
- IUCN cat.
- IV
- Year
- 1984
Overview
- Designation
- Forest Managed Biological Reserve
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1984
- Managing authority
- Ministry in charge of Environment, Ministry in charge of Agriculture and the National forest office (in march 2012, name, acronym and address as follows : Office National des Forêts (ONF), 2 avenue de St Mandé, 75570 PARIS Cedex 12 France).
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 157 distinct species · 10 120 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Grossman : 14 espèces reliées par 39 interactions GloBI sur 5 types (connectance 11.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,1km
Basins crossed
3
Max stream order
1
Max drainage
43 826km²
Discharge in basins
1,5m³/s
Mean precip.
730mm/an
Mean T°
9,3°C
Moisture idx
-0,08
Max snow
12%
Mean runoff
400mm/an
Mean elev. (basins)
277m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 48.57205, 7.21922
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.