Ontologia

District · YEM

As Sawma'ah

Yemen

BWhArid, desert, hot(100 %)

Species observed

19

Observations

40

Area

975,6km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

19 distinct species · 40 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

40 obs · 5 cellules
Obs. / cellule
≥ 23
23–22
10–22
4–9
< 4

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

19,9°C

Annual rain

319mm

Warmest m°

30,3°C

Coldest m°

8,7°C

Elevation: 1 888 m on average (min 1 469 m, max 2 104 m)

Bioclimatic detailsExpert
Annual mean temp.
19,9°C
Annual rain
319mm
Warmest month
30,3°C
Coldest month
8,7°C
Mean alt.
1 888m
Min
1 469m
Max
2 104m
Std. dev.
147m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

8,0

Org. C

12,7g/kg

Clay

28,2%

Sand

39,8%

Silt

32,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
15,9g/kg
Clay
26,6%
Sand
41,3%
Silt
32,0%
5–15 cm
pH H₂O
8,0
Org. C
11,3g/kg
Clay
27,3%
Sand
40,4%
Silt
32,3%
15–30 cm
pH H₂O
8,0
Org. C
10,9g/kg
Clay
30,7%
Sand
37,6%
Silt
31,7%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest0.4%
Crops3.0%
Built-up0.1%
Bare soil66.1%
Other (grassland, water…)30.5%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology6 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

51,8km

Basins crossed

6

Max stream order

4

Max drainage

2 777km²

Discharge in basins

0,0m³/s

Mean precip.

191mm/an

Mean T°

17,9°C

Moisture idx

-0,87

Mean runoff

12mm/an

Mean elev. (basins)

1 761m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

5,7%

Pesticides

0,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)