Ontologia

District · YEM

Hayran

Yemen

BWhArid, desert, hot(100 %)

Species observed

1

Observations

4

Area

175,8km²

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

1 distinct species · 4 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 obs · 1 cellules
Obs. / cellule
≥ 4
4–3
4–3
4–3
< 4

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

Climate

Mean T°

29,8°C

Annual rain

209mm

Warmest m°

37,1°C

Coldest m°

20,5°C

Elevation: 88 m on average (min 38 m, max 157 m)

Bioclimatic detailsExpert
Annual mean temp.
29,8°C
Annual rain
209mm
Warmest month
37,1°C
Coldest month
20,5°C
Mean alt.
88m
Min
38m
Max
157m
Std. dev.
29m
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

7,9

Org. C

11,9g/kg

Clay

20,1%

Sand

51,1%

Silt

28,8%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
11,8g/kg
Clay
18,6%
Sand
52,1%
Silt
29,3%
5–15 cm
pH H₂O
7,9
Org. C
12,7g/kg
Clay
20,1%
Sand
51,0%
Silt
28,9%
15–30 cm
pH H₂O
7,9
Org. C
11,2g/kg
Clay
21,7%
Sand
50,2%
Silt
28,1%

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

Land cover

Forest0.4%
Crops12.4%
Built-up0.1%
Bare soil56.3%
Other (grassland, water…)30.8%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

655km²

Discharge in basins

0,0m³/s

Mean precip.

85mm/an

Mean T°

27,9°C

Moisture idx

-0,95

Mean runoff

9mm/an

Mean elev. (basins)

344m

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

Human pressure

Pop. density

1hab/km²

Built-up

10,1%

Pesticides

0,0kg/km²

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