Ontologia

District · YEM

Yahr

Yemen

BWhArid, desert, hot(100 %)

Species observed

11

Observations

15

Area

223,8km²

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

11 distinct species · 15 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 obs · 5 cellules
Obs. / cellule
≥ 11
11–10
1–10
1–0
< 1

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

Climate

Mean T°

22,4°C

Annual rain

563mm

Warmest m°

30,7°C

Coldest m°

13,5°C

Elevation: 1 292 m on average (min 672 m, max 2 235 m)

Bioclimatic detailsExpert
Annual mean temp.
22,4°C
Annual rain
563mm
Warmest month
30,7°C
Coldest month
13,5°C
Mean alt.
1 292m
Min
672m
Max
2 235m
Std. dev.
345m
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

7,8

Org. C

19,8g/kg

Clay

26,4%

Sand

34,7%

Silt

38,9%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
26,8g/kg
Clay
24,6%
Sand
36,3%
Silt
39,1%
5–15 cm
pH H₂O
7,8
Org. C
17,9g/kg
Clay
25,5%
Sand
35,3%
Silt
39,2%
15–30 cm
pH H₂O
7,8
Org. C
14,8g/kg
Clay
29,1%
Sand
32,5%
Silt
38,3%

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

Land cover

Forest2.9%
Crops0.9%
Built-up0.0%
Bare soil24.3%
Other (grassland, water…)71.9%

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

Hydrology3 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

59,7km

Basins crossed

3

Max stream order

5

Max drainage

6 257km²

Discharge in basins

3,7m³/s

Mean precip.

246mm/an

Mean T°

20,9°C

Moisture idx

-0,85

Mean runoff

57mm/an

Mean elev. (basins)

1 420m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

0,9%

Pesticides

0,9kg/km²

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