District · YEM
Marib
Yemen
Species observed
7
Observations
9
Area
9 178,7km²
Partial data for this territory
Few observations recorded here. Real biodiversity is likely richer.
Ecological tissue
Sample of 2 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 Marib : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
7 distinct species · 9 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
50mm
Warmest m°
38,9°C
Coldest m°
10,7°C
Elevation: 972 m on average (min 815 m, max 1 494 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
8,2
Org. C
4,2g/kg
Clay
13,2%
Sand
59,7%
Silt
27,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology22 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
11,5km
Basins crossed
22
Max stream order
5
Max drainage
23 665km²
Discharge in basins
0,4m³/s
Mean precip.
88mm/an
Mean T°
22,3°C
Moisture idx
-0,95
Mean runoff
16mm/an
Mean elev. (basins)
1 058m
Watersheds crossing here
- Basin #00600sub-area1 259,9 km²overlap1067.33 km²12%
- Bassin de وادي الحفّاءsub-area3 388,6 km²overlap978.40 km²11%
- Basin #02410sub-area1 047,7 km²overlap767.17 km²8%
- Basin #00990sub-area1 508,2 km²overlap699.35 km²8%
- Basin #00740sub-area657,3 km²overlap648.00 km²7%
- Basin #00710sub-area1 790,7 km²overlap628.27 km²7%
- Basin #85910sub-area2 341 km²overlap614.34 km²7%
- Basin #01550sub-area615,8 km²overlap613.63 km²7%
- Basin #99510sub-area2 300,4 km²overlap569.82 km²6%
13 more basinssorted by overlap
- Basin #03150sub-area1 981 km²overlap556.18 km²6%
- Basin #99000sub-area2 164,5 km²overlap529.91 km²6%
- Basin #02440sub-area543,3 km²overlap388.11 km²4%
- Basin #00910sub-area1 024,9 km²overlap280.55 km²3%
- Basin #99550sub-area271,4 km²overlap243.87 km²3%
- Basin #01570sub-area188,2 km²overlap187.49 km²2%
- Basin #99880sub-area574,2 km²overlap186.54 km²2%
- Basin #00770sub-area475,3 km²overlap73.71 km²1%
- Basin #99860sub-area1 098,8 km²overlap49.88 km²1%
- Basin #98970sub-area1 035,4 km²overlap36.11 km²0%
- Basin #00760sub-area25 km²overlap24.92 km²0%
- Basin #00720sub-area15,9 km²overlap15.88 km²0%
- Basin #00840sub-area543,4 km²overlap15.29 km²0%
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
2,5%
Pesticides
0,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)