Ontologia

District · YEM

Merkhah As Sufla

Yemen

BWhArid, desert, hot(100 %)

Species observed

6

Observations

25

Area

3 563,6km²

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

6 distinct species · 25 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 obs · 2 cellules
Obs. / cellule
≥ 18
18–17
18–17
18–17
< 18

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

Climate

Mean T°

25,3°C

Annual rain

104mm

Warmest m°

36,6°C

Coldest m°

10,8°C

Elevation: 1 188 m on average (min 879 m, max 1 766 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
104mm
Warmest month
36,6°C
Coldest month
10,8°C
Mean alt.
1 188m
Min
879m
Max
1 766m
Std. dev.
216m
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

8,1

Org. C

6,7g/kg

Clay

16,3%

Sand

49,4%

Silt

34,3%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
7,6g/kg
Clay
14,6%
Sand
50,9%
Silt
34,6%
5–15 cm
pH H₂O
8,1
Org. C
6,1g/kg
Clay
15,7%
Sand
49,8%
Silt
34,4%
15–30 cm
pH H₂O
8,1
Org. C
6,4g/kg
Clay
18,5%
Sand
47,5%
Silt
33,9%

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

Land cover

Forest0.1%
Crops0.6%
Built-up0.0%
Bare soil94.4%
Other (grassland, water…)4.9%

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

Hydrology13 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

319,2km

Basins crossed

13

Max stream order

5

Max drainage

7 686km²

Discharge in basins

0,5m³/s

Mean precip.

102mm/an

Mean T°

21,0°C

Moisture idx

-0,94

Mean runoff

29mm/an

Mean elev. (basins)

1 185m

Watersheds crossing here

4 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,2%

Pesticides

0,0kg/km²

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