Ontologia

District · YEM

Al Wahdah

Yemen

BWhArid, desert, hot(100 %)

Species observed

298

Observations

561

Area

8,1km²

Ecological tissue

Sample of 35 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Al Wahdah : 26 espèces reliées par 38 interactions GloBI sur 3 types (connectance 6.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
38
Connectance
0.060
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

298 distinct species · 561 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

561 obs · 1 cellules
Obs. / cellule
≥ 561
561–560
561–560
561–560
< 561

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

Climate

Mean T°

18,0°C

Annual rain

252mm

Warmest m°

26,8°C

Coldest m°

8,0°C

Elevation: 2 291 m on average (min 2 257 m, max 2 392 m)

Bioclimatic detailsExpert
Annual mean temp.
18,0°C
Annual rain
252mm
Warmest month
26,8°C
Coldest month
8,0°C
Mean alt.
2 291m
Min
2 257m
Max
2 392m
Std. dev.
41m
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

12,0g/kg

Clay

30,1%

Sand

36,4%

Silt

33,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
15,9g/kg
Clay
29,6%
Sand
37,7%
Silt
32,7%
5–15 cm
pH H₂O
7,9
Org. C
9,9g/kg
Clay
29,4%
Sand
36,6%
Silt
33,9%
15–30 cm
pH H₂O
7,9
Org. C
10,2g/kg
Clay
31,4%
Sand
34,7%
Silt
33,9%

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

Land cover

Forest0.1%
Crops0.7%
Built-up28.6%
Bare soil5.5%
Other (grassland, water…)65.1%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

960km²

Discharge in basins

0,0m³/s

Mean precip.

276mm/an

Mean T°

15,4°C

Moisture idx

-0,83

Mean runoff

14mm/an

Mean elev. (basins)

2 393m

Watersheds crossing here

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

Human pressure

Pop. density

195hab/km²

Night light

21,0nW

Built-up

2 859,1%

Pesticides

0,0kg/km²

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