HydroBASINS lev08 watershed · #7080047810
Bassin de Magnolia Vacuum Canal
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 : Cameron
Sub-basin area
535,1km²
Upstream area
535,1km²
Discharge
2,29m³/s
Mean elev.
2m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 526.2 km²98.4% of basin
2 intersecting protected areas
Marine Protected Area
240.82 km² overlap
Sabine
IUCN IVNational Wildlife Refuge
238.71 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 148 distinct species · 370 980 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Magnolia Vacuum Canal : 21 espèces reliées par 51 interactions GloBI sur 3 types (connectance 12.6%, 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°
20,1°C
Annual rain
1 448mm
Moisture idx (CMI)
0,11
Runoff
645mm/an
PET
1 293mm
AET
1 128mm
Mean slope
0,0°
Water table
2cm
Forest
44%
Crops
10%
Urban
0%
Protected
45%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)