Ontologia

District · YEM

Wadi Al Ayn

Yemen

BWhArid, desert, hot(100 %)

Species observed

92

Observations

191

Area

2 269,5km²

Ecological tissue

Sample of 7 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 Wadi Al Ayn : 7 espèces reliées par 4 interactions GloBI sur 1 type (connectance 19.0%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
4
Connectance
0.191
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

92 distinct species · 191 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

191 obs · 20 cellules
Obs. / cellule
≥ 40
34–39
14–33
4–13
< 4

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

Climate

Mean T°

26,0°C

Annual rain

75mm

Warmest m°

37,2°C

Coldest m°

10,9°C

Elevation: 987 m on average (min 689 m, max 1 383 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
75mm
Warmest month
37,2°C
Coldest month
10,9°C
Mean alt.
987m
Min
689m
Max
1 383m
Std. dev.
182m
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

8,0

Org. C

7,4g/kg

Clay

15,0%

Sand

42,4%

Silt

42,6%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
7,8g/kg
Clay
14,2%
Sand
42,9%
Silt
42,8%
5–15 cm
pH H₂O
8,0
Org. C
6,8g/kg
Clay
14,7%
Sand
42,6%
Silt
42,8%
15–30 cm
pH H₂O
8,0
Org. C
7,5g/kg
Clay
16,0%
Sand
41,7%
Silt
42,3%

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

Land cover

Forest0.9%
Crops1.1%
Built-up0.0%
Bare soil89.6%
Other (grassland, water…)8.4%

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

Hydrology16 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

231,7km

Basins crossed

16

Max stream order

6

Max drainage

37 126km²

Discharge in basins

2,5m³/s

Mean precip.

82mm/an

Mean T°

21,5°C

Moisture idx

-0,95

Mean runoff

7mm/an

Mean elev. (basins)

1 032m

Watersheds crossing here

7 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

3,3%

Pesticides

0,0kg/km²

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