HydroLAKES lake · #14887
Barrage 9 Avril / سد 9 أبريل
Surface area
13,72km²
Avg depth
19m
Volume
260,08km³
Shoreline
39,1km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Tanger-AssilahTanger - Tétouan · Morocco13.43 km²97.9% of lake
- TétouanTanger - Tétouan · Morocco0.29 km²2.1% of lake
1 intersecting protected areas
Réserve de Biosphère Intercontinentale de la Méditerranée (RBIM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
3.81 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
49 distinct species · 189 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Barrage 9 Avril / سد 9 أبريل : 23 espèces reliées par 32 interactions GloBI sur 2 types (connectance 10.7%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
13,72km²
Avg depth
19,0m
Volume
260,080km³
Watershed
221km²
Shoreline
39,1km
Shore dev. idx
2,97
Residence time
1 520days
Elevation
42m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.