HydroBASINS lev08 watershed · #6080004960
Bassin de Demerara River
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 23 administrative regions : Amsterdam (Demerara River) / Vri, Bonasika / Boerasirie, Canal No. 2 (part) + The Belle +, Canals Polder, Coomaka Lands +18
Sub-basin area
2 138,3km²
Upstream area
7 447,5km²
Discharge
289,37m³/s
Mean elev.
34m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Demerara1468 km²
- Bassin de Kara-Kara River286 km²
23 dept-equivalent regions (GADM L2)
- 1014.4 km²47.6% of basin
- 522.4 km²24.5% of basin
- 174.3 km²8.2% of basin
- 65.0 km²3.1% of basin
- 61.7 km²2.9% of basin
- 52.8 km²2.5% of basin
- 46.4 km²2.2% of basin
- 43.7 km²2.1% of basin
15 moreFull L2 list
- St. Cuthberts / Orange Nassau (M37.9 km² · 1.8%
- Te Huist Coverden / Soesdyke24.0 km² · 1.1%
- Patentia / Toevlugt22.3 km² · 1.0%
- Diamond / Golden Grove19.7 km² · 0.9%
- Nismes / La Grange11.2 km² · 0.5%
- Canal No. 2 (part) + The Belle +10.4 km² · 0.5%
- Makouria River7.7 km² · 0.4%
- Meer Zorgen / Malgre Tout7.6 km² · 0.4%
- Rising Sun / Profit3.9 km² · 0.2%
- La Bonne Intention / Better Hope1.5 km² · 0.1%
- Mocha / Arcadia1.0 km² · 0.0%
- Herstelling / Little Diamond0.5 km² · 0.0%
- Plaisance / Industry0.3 km² · 0.0%
- Triumph / Beterverwagting0.2 km² · 0.0%
- Eccles / Ramsburg0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 038 distinct species · 24 340 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Demerara River : 20 espèces reliées par 28 interactions GloBI sur 3 types (connectance 8.0%, filtre Serrano α=0.2). 7 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°
26,2°C
Annual rain
2 047mm
Moisture idx (CMI)
0,30
Runoff
1 026mm/an
PET
1 411mm
AET
1 340mm
Mean slope
1,3°
Water table
67cm
Forest
79%
Crops
14%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)