Ontologia

District · YEM

Hayfan

Yemen

BWhArid, desert, hot(64 %)

Species observed

9

Observations

1 573

Area

186,8km²

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

9 distinct species · 1 573 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 573 obs · 6 cellules
Obs. / cellule
≥ 511
511–510
458–510
341–457
< 341

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

Climate

Mean T°

22,4°C

Annual rain

421mm

Warmest m°

31,6°C

Coldest m°

13,5°C

Elevation: 1 302 m on average (min 786 m, max 2 130 m)

Bioclimatic detailsExpert
Annual mean temp.
22,4°C
Annual rain
421mm
Warmest month
31,6°C
Coldest month
13,5°C
Mean alt.
1 302m
Min
786m
Max
2 130m
Std. dev.
273m
Köppen-Geiger (dominant)
BWhArid, desert, hot(64 %)Arid

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

Soil & lithology

pH H₂O

7,7

Org. C

21,4g/kg

Clay

30,2%

Sand

31,7%

Silt

38,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
28,6g/kg
Clay
28,7%
Sand
33,0%
Silt
38,3%
5–15 cm
pH H₂O
7,7
Org. C
19,9g/kg
Clay
29,5%
Sand
32,0%
Silt
38,5%
15–30 cm
pH H₂O
7,8
Org. C
15,6g/kg
Clay
32,5%
Sand
30,1%
Silt
37,4%

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

Land cover

Forest6.6%
Crops10.5%
Built-up0.0%
Bare soil2.4%
Other (grassland, water…)80.4%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,8km

Basins crossed

3

Max stream order

1

Max drainage

6 038km²

Discharge in basins

0,6m³/s

Mean precip.

240mm/an

Mean T°

25,6°C

Moisture idx

-0,87

Mean runoff

104mm/an

Mean elev. (basins)

849m

Watersheds crossing here

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

Human pressure

Pop. density

12hab/km²

Night light

0,1nW

Built-up

4,2%

Pesticides

0,6kg/km²

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