District · YEM
Daw'an
Yemen
Species observed
72
Observations
258
Area
3 538,2km²
Ecological tissue
Sample of 7 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 Daw'an : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
72 distinct species · 258 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,8°C
Annual rain
131mm
Warmest m°
33,0°C
Coldest m°
9,8°C
Elevation: 1 368 m on average (min 852 m, max 1 875 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
7,9
Org. C
10,0g/kg
Clay
18,5%
Sand
38,0%
Silt
43,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
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)
Hydrology14 basins · 0 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
172,3km
Basins crossed
14
Max stream order
4
Max drainage
3 417km²
Discharge in basins
1,5m³/s
Mean precip.
101mm/an
Mean T°
19,7°C
Moisture idx
-0,93
Mean runoff
7mm/an
Mean elev. (basins)
1 326m
Watersheds crossing here
- Bassin de وادي دوعن الأيمنsub-area1 398,8 km²overlap1134.87 km²32%
- Bassin de وادي قرادةsub-area498,2 km²overlap394.67 km²11%
- Bassin de وادي كنينةsub-area1 753,2 km²overlap365.80 km²10%
- Bassin de وادي دوعنsub-area302,9 km²overlap271.52 km²8%
- Bassin de وادي دوعنsub-area615,5 km²overlap261.39 km²7%
- Basin #04690sub-area346,9 km²overlap240.09 km²7%
- Bassin de وادي حيحsub-area177,4 km²overlap176.79 km²5%
- Basin #03620sub-area234,7 km²overlap166.52 km²5%
- Bassin de وادي سرارsub-area1 106 km²overlap149.41 km²4%
Rivers / streams (15, ord ≥ 4)
- وادي دوعن الأيمنord 4len here39.66 km100%total40 km
- وادي دوعنord 5len here26.07 km27%total97 km
- وادي دوعن الأيسرord 4len here21.36 km100%total21 km
- وادي حيحord 1len here20.59 km100%total21 km
- وادي لبهord 4len here13.81 km100%total14 km
- وادي قرادةord 3len here12.29 km100%total12 km
- وادي سرord 4len here10.56 km13%total84 km
- وادي فيلord 1len here10.03 km100%total10 km
- وادي منوىord 3len here5.34 km100%total5 km
- حموضةord 3len here4.23 km100%total4 km
- وادي عمدord 4len here3.03 km1%total247 km
- وادي تنسبةord 3len here2.25 km100%total2 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
1,1%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)