Ontologia

District · YEM

Al Qaf

Yemen

BWhArid, desert, hot(100 %)

Species observed

13

Observations

28

Area

28 626,9km²

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

13 distinct species · 28 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 obs · 10 cellules
Obs. / cellule
≥ 7
7–6
4–6
2–3
< 2

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

Climate

Mean T°

28,0°C

Annual rain

48mm

Warmest m°

41,0°C

Coldest m°

10,9°C

Elevation: 677 m on average (min 345 m, max 1 128 m)

Bioclimatic detailsExpert
Annual mean temp.
28,0°C
Annual rain
48mm
Warmest month
41,0°C
Coldest month
10,9°C
Mean alt.
677m
Min
345m
Max
1 128m
Std. dev.
225m
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

8,2

Org. C

4,9g/kg

Clay

13,2%

Sand

57,0%

Silt

29,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
5,0g/kg
Clay
12,9%
Sand
57,3%
Silt
29,7%
5–15 cm
pH H₂O
8,2
Org. C
4,8g/kg
Clay
12,8%
Sand
57,3%
Silt
29,9%
15–30 cm
pH H₂O
8,2
Org. C
4,8g/kg
Clay
13,9%
Sand
56,3%
Silt
29,8%

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

Land cover

Forest0.1%
Crops0.0%
Built-up0.0%
Bare soil98.1%
Other (grassland, water…)1.8%

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

Hydrology71 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

331,0km

Basins crossed

71

Max stream order

5

Max drainage

25 790km²

Discharge in basins

7,8m³/s

Mean precip.

71mm/an

Mean T°

24,1°C

Moisture idx

-0,96

Mean runoff

16mm/an

Mean elev. (basins)

684m

Watersheds crossing here

62 more basins

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

Human pressure

Pop. density

0hab/km²

Built-up

0,0%

Pesticides

0,0kg/km²

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