HydroBASINS lev08 watershed · #6080005410
Bassin de Commewijne
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 14 administrative regions : Alkmaar, Bakki, Carolina, Centrum, Marechalskreek +9
Sub-basin area
5 091,7km²
Upstream area
5 091,7km²
Discharge
145,79m³/s
Mean elev.
42m
Administrative coverage
14 dept-equivalent regions (GADM L2)
- 1250.0 km²24.7% of basin
- 942.8 km²18.6% of basin
- 847.3 km²16.7% of basin
- 816.9 km²16.1% of basin
- 479.1 km²9.5% of basin
- 279.5 km²5.5% of basin
- 172.6 km²3.4% of basin
- 98.8 km²1.9% of basin
6 moreFull L2 list
- Alkmaar83.7 km² · 1.7%
- Moengotapoe75.0 km² · 1.5%
- Sarakreek13.4 km² · 0.3%
- Nw. Amsterdam6.6 km² · 0.1%
- Marechalskreek2.3 km² · 0.0%
- Centrum1.5 km² · 0.0%
1 intersecting protected areas
Copi
IUCN IVNature Reserve
65.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 707 distinct species · 16 191 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Commewijne : 21 espèces reliées par 35 interactions GloBI sur 4 types (connectance 8.0%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
26,5°C
Annual rain
2 258mm
Moisture idx (CMI)
0,31
Runoff
877mm/an
PET
1 564mm
AET
1 441mm
Mean slope
1,6°
Water table
47cm
Forest
95%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)