Vallée de l'Escaut en aval de Tournai
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2016
4 km²
Subdivision · BEL
Spiere-Helkijn
Belgium
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 380
Observations
18 725
Area
12,4km²
Ecological tissue
Sample of 44 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 Spiere-Helkijn : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 108 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
108
Connectance
0.114
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 380 distinct species · 18 725 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,7°C
Annual rain
813mm
Warmest m°
22,1°C
Coldest m°
1,2°C
Elevation: 15 m on average (min 11 m, max 22 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,7°C
Annual rain
813mm
Warmest month
22,1°C
Coldest month
1,2°C
Mean alt.
15m
Min
11m
Max
22m
Std. dev.
3m
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
7,2
Org. C
25,0g/kg
Clay
22,5%
Sand
27,1%
Silt
50,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to West-Vlaanderen
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
38,4g/kg
Clay
24,3%
Sand
25,9%
Silt
49,8%
5–15 cm
pH H₂O
7,2
Org. C
19,1g/kg
Clay
22,0%
Sand
27,3%
Silt
50,6%
15–30 cm
pH H₂O
7,3
Org. C
17,4g/kg
Clay
21,2%
Sand
28,1%
Silt
50,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.2%
Crops58.5%
Built-up2.5%
Bare soil1.3%
Other (grassland, water…)29.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
8,7km
Basins crossed
1
Max stream order
5
Max drainage
6 079km²
Discharge in basins
0,5m³/s
Mean precip.
715mm/an
Mean T°
10,1°C
Moisture idx
-0,02
Max snow
7%
Mean runoff
434mm/an
Mean elev. (basins)
35m
Watersheds crossing here
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,4nW
Built-up
252,5%
Pesticides
71,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN Not Assigned · 1
Vallée de l'Escaut en aval de Tournai
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2016
4 km²
De West-Vlaamse Scheldevallei
IUCN Not AssignedFlemish Ecological Network (Flemish Region) · 2003
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN