Ruisseau· 8 segments
L'Helpe Mineure
Crosses 2 administrative regions : Aisne, Nord
Total length
53km
Max discharge
5,6m³/s
Max Strahler
3
Segments matched
8
River geography2 admin regions · 15 communes
2 administrative regions crossed (GADM L2)
15 communes (L5)For countries with L5
- Étrœungt7.37 km
- Rocquigny5.27 km
- Maroilles5.22 km
- Wignehies3.98 km
- Cartignies3.76 km
- Fourmies3.66 km
- Boulogne-sur-Helpe3.53 km
- Grand-Fayt2.76 km
- Petit-Fayt1.78 km
- La Flamengrie1.32 km
- Locquignol0.00 km
- Marbaix0.00 km
- Glageon0.00 km
- Trélon0.00 km
- Larouillies0.00 km
4 intersecting protected areas
Avesnois
IUCN VRegional Nature Park
Vallée de la Sambre
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Land acquired by a regional conservatory of natural areas
Prairies Du Val De Sambre
IUCN IVRegional Nature Reserve
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
638 distinct species · 5 532 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 L'Helpe Mineure : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 6 types (connectance 22.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
53km
Max discharge
5,6m³/s
Max Strahler
3
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.