Ruisseau· 2 segments
Roman River
Crosses 1 administrative regions : NA
Total length
20km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NAEngland · United Kingdom20.8 kmin this dpt
13 intersecting protected areas
Essex Estuaries
IUCN Not ReportedEmerald Network
Marine Conservation Zone
Blackwater, Crouch, Roach and Colne Estuaries
IUCN Not ReportedMarine Protected Area (OSPAR)
Colne Estuary
IUCN IVSite of Special Scientific Interest
Colne Estuary (Mid-Essex Coast Phase 2)
IUCN Not ReportedEmerald Network
Colne Estuary
IUCN IVWetland of International Importance (Ramsar Site)
Abberton Reservoir
IUCN Not ReportedWetland of International Importance (Ramsar Site)
Abberton Reservoir
IUCN IVSite of Special Scientific Interest
Abberton Reservoir
IUCN Not ReportedEmerald Network
4 more protected areassorted by area
Roman River
IUCN IVSite of Special Scientific Interest
Upper Colne Marshes
IUCN IVSite of Special Scientific Interest
Colne
IUCN IVLocal Nature Reserve
Marks Tey Brickpit
IUCN IVSite of Special Scientific Interest
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 958 distinct species · 35 016 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 Roman River : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 11.9%, filtre Serrano α=0.2). 9 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
20km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.