Ruisseau
River Ems
Crosses 2 administrative regions : NA, West Sussex
Total length
9km
Max discharge
0,2m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- West SussexEngland · United Kingdom2.5 kmin this dpt
- NAEngland · United Kingdom1.0 kmin this dpt
10 intersecting protected areas
South Downs
IUCN VNational Park
Solent Maritime
IUCN Not ReportedEmerald Network
Solent Maritime
IUCN Not ReportedMarine Protected Area (OSPAR)
Chichester Harbour
IUCN VArea of Outstanding Natural Beauty
Wetland of International Importance (Ramsar Site)
Chichester and Langstone Harbours
IUCN Not ReportedEmerald Network
Chichester and Langstone Harbours
IUCN Not ReportedMarine Protected Area (OSPAR)
Chichester Harbour
IUCN IVSite of Special Scientific Interest
Eames Farm
IUCN IVLocal Nature Reserve
1 more protected areassorted by area
Brook Meadow (Emsworth)
IUCN IVLocal Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
2 152 distinct species · 55 402 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 River Ems : 27 espèces reliées par 55 interactions GloBI sur 5 types (connectance 10.4%, filtre Serrano α=0.2). 6 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
9km
Max discharge
0,2m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.