Scientific Interest Site (Walloon Region) · bel
Trou Maillard à Treignes
- Area
- 0 km²
- IUCN cat.
- IV
- Year
- 2001
Overview
- Designation
- Scientific Interest Site (Walloon Region)
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2001
- Managing authority
- Service Public de Wallonie Agriculture, Ressources Naturelles et Environnement (SPW ARNE)
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 137 distinct species · 14 016 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Trou Maillard à Treignes : 14 espèces reliées par 160 interactions GloBI sur 6 types (connectance 25.4%, filtre Serrano α=0.2). 22 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 50.09489, 4.67029
- 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.