Ontologia

District · YEM

Adh Dhlia'ah

Yemen

BWhArid, desert, hot(100 %)

Species observed

5

Observations

32

Area

2 495km²

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

5 distinct species · 32 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

32 obs · 3 cellules
Obs. / cellule
≥ 26
26–25
26–25
4–25
< 4

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

Climate

Mean T°

22,0°C

Annual rain

144mm

Warmest m°

32,3°C

Coldest m°

9,5°C

Elevation: 1 415 m on average (min 1 127 m, max 1 704 m)

Bioclimatic detailsExpert
Annual mean temp.
22,0°C
Annual rain
144mm
Warmest month
32,3°C
Coldest month
9,5°C
Mean alt.
1 415m
Min
1 127m
Max
1 704m
Std. dev.
86m
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

8,1

Org. C

8,6g/kg

Clay

17,5%

Sand

40,1%

Silt

42,4%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
9,5g/kg
Clay
15,9%
Sand
41,2%
Silt
42,8%
5–15 cm
pH H₂O
8,1
Org. C
8,0g/kg
Clay
17,5%
Sand
40,2%
Silt
42,3%
15–30 cm
pH H₂O
8,1
Org. C
8,2g/kg
Clay
19,0%
Sand
38,9%
Silt
42,1%

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

Land cover

Forest0.4%
Crops0.6%
Built-up0.0%
Bare soil92.7%
Other (grassland, water…)6.4%

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

Hydrology11 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

91,1km

Basins crossed

11

Max stream order

3

Max drainage

3 016km²

Discharge in basins

0,4m³/s

Mean precip.

95mm/an

Mean T°

19,9°C

Moisture idx

-0,94

Mean runoff

6mm/an

Mean elev. (basins)

1 312m

Watersheds crossing here

2 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,0%

Pesticides

0,0kg/km²

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