Marais d'Itteville et de Fontenay-le-Vicomte
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2003
5 km²
Subdivision · FRA
Évry-Sud
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
4 045
Observations
217 991
Area
17,7km²
Ecological tissue
Sample of 35 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Évry-Sud : 28 espèces reliées par 115 interactions GloBI sur 6 types (connectance 17.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
115
Connectance
0.173
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 045 distinct species · 217 991 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,3°C
Annual rain
682mm
Warmest m°
23,8°C
Coldest m°
1,1°C
Elevation: 79 m on average (min 55 m, max 88 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,3°C
Annual rain
682mm
Warmest month
23,8°C
Coldest month
1,1°C
Mean alt.
79m
Min
55m
Max
88m
Std. dev.
7m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
26,7g/kg
Clay
27,1%
Sand
27,7%
Silt
45,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Essonne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
45,5g/kg
Clay
25,9%
Sand
28,6%
Silt
45,5%
5–15 cm
pH H₂O
6,9
Org. C
20,2g/kg
Clay
27,2%
Sand
27,7%
Silt
45,1%
15–30 cm
pH H₂O
6,9
Org. C
14,5g/kg
Clay
28,0%
Sand
26,9%
Silt
45,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.8%
Crops30.4%
Built-up8.8%
Bare soil0.5%
Other (grassland, water…)46.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max stream order
4
Max drainage
30 655km²
Discharge in basins
0,3m³/s
Mean precip.
645mm/an
Mean T°
10,8°C
Moisture idx
-0,22
Max snow
5%
Mean runoff
194mm/an
Mean elev. (basins)
119m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
23,1nW
Built-up
879,8%
Pesticides
47,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Marais des basses vallées de la Juine et de l'Essonne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
4 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations2
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.