Ontologia

District · YEM

Attyal

Yemen

BWkArid, desert, cold(65 %)

Species observed

3

Observations

6

Area

428,8km²

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

3 distinct species · 6 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 obs · 3 cellules
Obs. / cellule
≥ 4
4–3
4–3
1–3
< 1

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

Climate

Mean T°

17,7°C

Annual rain

185mm

Warmest m°

27,3°C

Coldest m°

5,3°C

Elevation: 2 561 m on average (min 1 948 m, max 3 062 m)

Bioclimatic detailsExpert
Annual mean temp.
17,7°C
Annual rain
185mm
Warmest month
27,3°C
Coldest month
5,3°C
Mean alt.
2 561m
Min
1 948m
Max
3 062m
Std. dev.
268m
Köppen-Geiger (dominant)
BWkArid, desert, cold(65 %)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

15,4g/kg

Clay

23,8%

Sand

42,0%

Silt

34,3%

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

Dominant lithology: vaGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
20,5g/kg
Clay
23,2%
Sand
43,6%
Silt
33,2%
5–15 cm
pH H₂O
7,9
Org. C
13,2g/kg
Clay
24,3%
Sand
41,5%
Silt
34,2%
15–30 cm
pH H₂O
7,9
Org. C
12,5g/kg
Clay
23,8%
Sand
40,8%
Silt
35,4%

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

Land cover

Forest3.2%
Crops3.3%
Built-up0.1%
Bare soil56.7%
Other (grassland, water…)36.7%

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

Hydrology6 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

6

Max drainage

6 731km²

Discharge in basins

0,4m³/s

Mean precip.

252mm/an

Mean T°

16,5°C

Moisture idx

-0,85

Mean runoff

17mm/an

Mean elev. (basins)

2 167m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Built-up

4,9%

Pesticides

0,2kg/km²

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