Flemish Ecological Network (Flemish Region) · bel
De Vallei van de Boven Zeeschelde van Kalkense meersen tot Sint-Onolfspolder
- Area
- 14 km²
- IUCN cat.
- Not Assigned
- Year
- 2003
Overview
- Designation
- Flemish Ecological Network (Flemish Region)
- Established
- 2003
- Managing authority
- Agentschap voor Natuur en Bos (ANB)
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 427 distinct species · 224 117 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de De Vallei van de Boven Zeeschelde van Kalkense meersen tot Sint-Onolfspolder : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 5 types (connectance 16.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology2 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
14,3km
Basins crossed
2
Max stream order
5
Max drainage
10 629km²
Discharge in basins
5,5m³/s
Mean precip.
766mm/an
Mean T°
10,2°C
Moisture idx
0,08
Max snow
8%
Mean runoff
436mm/an
Mean elev. (basins)
17m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- Waterleiding van de weekensord 5len here4.87 km37%total13 km
- Kalkense Vaartord 5len here2.52 km88%total3 km
- Zijpord 1len here1.52 km89%total2 km
- Sompelbeekord 5len here1.43 km100%total1 km
- Broekse Vaartord 1len here1.36 km28%total5 km
- Scheldeord 6len here1.35 km4%total37 km
- Bellebeekord 5len here0.42 km4%total12 km
- Ertbrugbeekord 1len here0.38 km29%total1 km
- Molenbeekord 5len here0.29 km0%total112 km
- Denderord 5len here0.13 km1%total13 km
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
- 51.02094, 3.91491
- 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.