Courtil-Gras (Le) à Chièvres
IUCN IVState Nature Reserve (Walloon Region) · 2017
0 km²
Subdivision · BEL
Chièvres
Belgium
CfbTemperate, no dry season, warm summer(100 %)
Species observed
764
Observations
2 994
Area
47,1km²
Ecological tissue
Sample of 34 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 Chièvres : 22 espèces reliées par 79 interactions GloBI sur 5 types (connectance 13.3%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
79
Connectance
0.133
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
764 distinct species · 2 994 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,4°C
Annual rain
842mm
Warmest m°
22,3°C
Coldest m°
0,7°C
Elevation: 55 m on average (min 38 m, max 77 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,4°C
Annual rain
842mm
Warmest month
22,3°C
Coldest month
0,7°C
Mean alt.
55m
Min
38m
Max
77m
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
6,6
Org. C
19,9g/kg
Clay
23,0%
Sand
17,5%
Silt
59,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Hainaut
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
26,6g/kg
Clay
23,5%
Sand
16,8%
Silt
59,7%
5–15 cm
pH H₂O
6,7
Org. C
17,7g/kg
Clay
22,4%
Sand
16,7%
Silt
60,9%
15–30 cm
pH H₂O
6,7
Org. C
15,3g/kg
Clay
23,1%
Sand
19,0%
Silt
57,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.9%
Crops61.8%
Built-up1.6%
Bare soil1.2%
Other (grassland, water…)28.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
17,9km
Basins crossed
1
Max stream order
3
Max drainage
1 336km²
Discharge in basins
0,6m³/s
Mean precip.
779mm/an
Mean T°
10,1°C
Moisture idx
0,05
Max snow
8%
Mean runoff
433mm/an
Mean elev. (basins)
48m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,0nW
Built-up
163,3%
Pesticides
70,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN