Ontologia

District · YEM

Al Hada

Yemen

BWhArid, desert, hot(78 %)

Species observed

30

Observations

53

Area

1 623,3km²

Ecological tissue

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

Species present

30 distinct species · 53 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

53 obs · 6 cellules
Obs. / cellule
≥ 26
26–25
12–25
9–11
< 9

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

Climate

Mean T°

18,5°C

Annual rain

266mm

Warmest m°

28,3°C

Coldest m°

6,6°C

Elevation: 2 247 m on average (min 1 781 m, max 2 832 m)

Bioclimatic detailsExpert
Annual mean temp.
18,5°C
Annual rain
266mm
Warmest month
28,3°C
Coldest month
6,6°C
Mean alt.
2 247m
Min
1 781m
Max
2 832m
Std. dev.
177m
Köppen-Geiger (dominant)
BWhArid, desert, hot(78 %)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

15,4g/kg

Clay

31,4%

Sand

30,9%

Silt

37,7%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
21,1g/kg
Clay
28,7%
Sand
33,7%
Silt
37,6%
5–15 cm
pH H₂O
8,0
Org. C
13,2g/kg
Clay
30,6%
Sand
30,7%
Silt
38,7%
15–30 cm
pH H₂O
8,0
Org. C
12,0g/kg
Clay
34,8%
Sand
28,4%
Silt
36,8%

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

Land cover

Forest1.4%
Crops8.3%
Built-up0.1%
Bare soil50.4%
Other (grassland, water…)39.9%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

6 731km²

Discharge in basins

1,0m³/s

Mean precip.

326mm/an

Mean T°

16,5°C

Moisture idx

-0,80

Mean runoff

26mm/an

Mean elev. (basins)

2 281m

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

5,5%

Pesticides

0,5kg/km²

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