HydroLAKES lake · #178896
سد مأرب
Surface area
4,83km²
Avg depth
10,8m
Volume
52,22km³
Shoreline
10,8km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- SirwahMa'rib · Yemen3.25 km²67.7% of lake
- Marib CityMa'rib · Yemen1.55 km²32.3% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
31 distinct species · 40 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 سد مأرب : 4 espèces reliées par 10 interactions GloBI sur 2 types (connectance 35.7%, filtre Serrano α=0.2). 4 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
4,83km²
Avg depth
10,8m
Volume
52,220km³
Watershed
11 579km²
Shoreline
10,8km
Shore dev. idx
1,38
Residence time
131days
Elevation
1 131m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.