Rivière
Becquet de la Halle
Crosses 2 administrative regions : Nord, Pas-de-Calais
Total length
3km
Max discharge
26,5m³/s
Max Strahler
4
Segments matched
1
River geography2 admin regions · 4 communes
2 administrative regions crossed (GADM L2)
- NordHauts-de-France · France3.7 kmin this dpt
- Pas-de-CalaisHauts-de-France · France0.5 kmin this dpt
4 communes (L5)For countries with L5
- Steenwerck2.20 km
- Nieppe1.31 km
- Sailly-sur-la-Lys0.48 km
- Erquinghem-Lys0.18 km
2 intersecting protected areas
Land acquired by a regional conservatory of natural areas
Prés Du Moulin Madame
IUCN IVRegional Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 287 distinct species · 18 393 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Becquet de la Halle : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 6 types (connectance 13.3%, filtre Serrano α=0.2). 13 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
3km
Max discharge
26,5m³/s
Max Strahler
4
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.