Ontologia

District · YEM

As Sawadiyah

Yemen

BWhArid, desert, hot(100 %)

Species observed

2

Observations

13

Area

444,6km²

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

2 distinct species · 13 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 obs · 3 cellules
Obs. / cellule
≥ 10
10–9
10–9
2–9
< 2

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

Climate

Mean T°

20,0°C

Annual rain

197mm

Warmest m°

30,8°C

Coldest m°

7,5°C

Elevation: 1 994 m on average (min 1 877 m, max 2 153 m)

Bioclimatic detailsExpert
Annual mean temp.
20,0°C
Annual rain
197mm
Warmest month
30,8°C
Coldest month
7,5°C
Mean alt.
1 994m
Min
1 877m
Max
2 153m
Std. dev.
50m
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

12,5g/kg

Clay

29,9%

Sand

35,8%

Silt

34,3%

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
16,3g/kg
Clay
28,3%
Sand
37,4%
Silt
34,3%
5–15 cm
pH H₂O
8,0
Org. C
10,6g/kg
Clay
29,2%
Sand
35,8%
Silt
35,0%
15–30 cm
pH H₂O
8,0
Org. C
10,6g/kg
Clay
32,3%
Sand
34,1%
Silt
33,5%

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

Land cover

Forest0.3%
Crops4.1%
Built-up0.1%
Bare soil67.6%
Other (grassland, water…)27.9%

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

Hydrology5 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

5

Max drainage

2 738km²

Discharge in basins

0,2m³/s

Mean precip.

239mm/an

Mean T°

17,9°C

Moisture idx

-0,85

Mean runoff

24mm/an

Mean elev. (basins)

1 868m

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

6,2%

Pesticides

0,0kg/km²

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