Ruisseau· 2 segments
Middle Drain
Crosses 2 administrative regions : NA
Total length
62km
Max discharge
2,1m³/s
Max Strahler
3
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- NAEngland · United Kingdom7.0 kmin this dpt
- NAEngland · United Kingdom0.2 kmin this dpt
6 intersecting protected areas
Ribble & Alt Estuaries
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Ribble and Alt Estuaries
IUCN Not ReportedEmerald Network
Ribble and Alt Estuaries
IUCN Not ReportedMarine Protected Area (OSPAR)
Ribble Estuary
IUCN IVSite of Special Scientific Interest
Ribble Estuary
IUCN IVNational Nature Reserve
Ribble Estuary
IUCN IVMarine Conservation Zone
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 702 distinct species · 112 142 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Middle Drain : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 104 interactions GloBI sur 5 types (connectance 12.7%, 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
62km
Max discharge
2,1m³/s
Max Strahler
3
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.