Ontologia

District · YEM

As Safra

Yemen

BWhArid, desert, hot(100 %)

Species observed

5

Observations

24

Area

1 607,9km²

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

5 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 6 cellules
Obs. / cellule
≥ 9
9–8
5–8
3–4
< 3

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

Climate

Mean T°

20,7°C

Annual rain

219mm

Warmest m°

31,6°C

Coldest m°

8,0°C

Elevation: 1 865 m on average (min 1 557 m, max 2 137 m)

Bioclimatic detailsExpert
Annual mean temp.
20,7°C
Annual rain
219mm
Warmest month
31,6°C
Coldest month
8,0°C
Mean alt.
1 865m
Min
1 557m
Max
2 137m
Std. dev.
116m
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

8,4

Org. C

7,8g/kg

Clay

21,3%

Sand

45,0%

Silt

33,6%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,4
Org. C
8,5g/kg
Clay
19,1%
Sand
46,6%
Silt
34,3%
5–15 cm
pH H₂O
8,4
Org. C
7,2g/kg
Clay
20,1%
Sand
46,0%
Silt
33,8%
15–30 cm
pH H₂O
8,4
Org. C
7,8g/kg
Clay
24,7%
Sand
42,5%
Silt
32,8%

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

Land cover

Forest0.5%
Crops2.5%
Built-up0.0%
Bare soil82.3%
Other (grassland, water…)14.7%

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

Hydrology7 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

102,0km

Basins crossed

7

Max stream order

4

Max drainage

2 658km²

Discharge in basins

0,2m³/s

Mean precip.

186mm/an

Mean T°

19,0°C

Moisture idx

-0,89

Mean runoff

13mm/an

Mean elev. (basins)

1 927m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

3,1%

Pesticides

0,2kg/km²

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