Ontologia

District · YEM

Ar Rawdah

Yemen

BWhArid, desert, hot(100 %)

Species observed

13

Observations

22

Area

2 356km²

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 · 22 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 obs · 5 cellules
Obs. / cellule
≥ 11
11–10
6–10
3–5
< 3

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

Climate

Mean T°

23,1°C

Annual rain

149mm

Warmest m°

33,5°C

Coldest m°

11,3°C

Elevation: 1 212 m on average (min 662 m, max 1 680 m)

Bioclimatic detailsExpert
Annual mean temp.
23,1°C
Annual rain
149mm
Warmest month
33,5°C
Coldest month
11,3°C
Mean alt.
1 212m
Min
662m
Max
1 680m
Std. dev.
264m
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

12,3g/kg

Clay

18,8%

Sand

38,8%

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
7,9
Org. C
14,1g/kg
Clay
17,0%
Sand
39,9%
Silt
43,1%
5–15 cm
pH H₂O
7,9
Org. C
11,5g/kg
Clay
19,0%
Sand
39,0%
Silt
42,0%
15–30 cm
pH H₂O
7,9
Org. C
11,2g/kg
Clay
20,5%
Sand
37,4%
Silt
42,1%

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

Land cover

Forest0.4%
Crops0.6%
Built-up0.0%
Bare soil88.2%
Other (grassland, water…)10.8%

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

Hydrology6 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

258,6km

Basins crossed

6

Max stream order

3

Max drainage

3 016km²

Discharge in basins

1,0m³/s

Mean precip.

86mm/an

Mean T°

20,6°C

Moisture idx

-0,94

Mean runoff

18mm/an

Mean elev. (basins)

1 185m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,7%

Pesticides

0,0kg/km²

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