Ontologia

District · YEM

As Saddah

Yemen

BSkArid, steppe, cold(84 %)

Species observed

21

Observations

121

Area

263,9km²

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

21 distinct species · 121 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

121 obs · 5 cellules
Obs. / cellule
≥ 66
66–65
34–65
16–33
< 16

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

Climate

Mean T°

15,2°C

Annual rain

1 023mm

Warmest m°

24,3°C

Coldest m°

5,9°C

Elevation: 2 680 m on average (min 2 183 m, max 2 986 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
1 023mm
Warmest month
24,3°C
Coldest month
5,9°C
Mean alt.
2 680m
Min
2 183m
Max
2 986m
Std. dev.
149m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(84 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,6

Org. C

20,3g/kg

Clay

26,7%

Sand

34,9%

Silt

38,4%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
27,8g/kg
Clay
26,5%
Sand
35,8%
Silt
37,7%
5–15 cm
pH H₂O
7,6
Org. C
19,4g/kg
Clay
26,4%
Sand
34,5%
Silt
39,1%
15–30 cm
pH H₂O
7,6
Org. C
13,6g/kg
Clay
27,1%
Sand
34,5%
Silt
38,4%

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

Land cover

Forest12.3%
Crops25.3%
Built-up0.1%
Bare soil3.5%
Other (grassland, water…)58.9%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

23,4km

Basins crossed

3

Max stream order

3

Max drainage

913km²

Discharge in basins

1,1m³/s

Mean precip.

441mm/an

Mean T°

15,4°C

Moisture idx

-0,71

Mean runoff

106mm/an

Mean elev. (basins)

2 534m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

0,0nW

Built-up

8,8%

Pesticides

1,0kg/km²

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