HydroBASINS lev08 watershed · #2080394460
Bassin de Burway Ditch
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Surrey
Sub-basin area
27,8km²
Upstream area
8 213,7km²
Discharge
68,18m³/s
Mean elev.
19m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de River Thames1478 km²
- Bassin de River Ver974 km²
1 dept-equivalent regions (GADM L2)
- SurreyEngland · United Kingdom27.9 km²100.0% of basin
7 intersecting protected areas
South West London Waterbodies
IUCN Not ReportedWetland of International Importance (Ramsar Site)
0.43 km² overlap
Thorpe Park No. 1 Gravel Pit
IUCN IVSite of Special Scientific Interest
0.43 km² overlap
South West London Waterbodies
IUCN Not ReportedEmerald Network
0.43 km² overlap
Chertsey Meads
IUCN IVLocal Nature Reserve
0.41 km² overlap
Dumsey Meadow
IUCN IVSite of Special Scientific Interest
0.10 km² overlap
Thorpe Hay Meadow
IUCN IVSite of Special Scientific Interest
0.06 km² overlap
Staines Moor
IUCN IVSite of Special Scientific Interest
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 691 distinct species · 222 850 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Bassin de Burway Ditch : 29 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 4 types (connectance 9.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
10,3°C
Annual rain
648mm
Moisture idx (CMI)
-0,12
Runoff
277mm/an
PET
734mm
AET
526mm
Mean slope
0,6°
Water table
28cm
Forest
0%
Crops
5%
Urban
86%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)