Ontologia

District · YEM

Alluheyah

Yemen

BWhArid, desert, hot(100 %)

Species observed

20

Observations

43

Area

1 313,2km²

Ecological tissue

Sample of 6 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 Alluheyah : 6 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

20 distinct species · 43 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 obs · 10 cellules
Obs. / cellule
≥ 10
10–9
7–9
5–6
< 5

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

Climate

Mean T°

30,0°C

Annual rain

144mm

Warmest m°

36,5°C

Coldest m°

22,5°C

Elevation: 29 m on average (min -486 m, max 131 m)

Bioclimatic detailsExpert
Annual mean temp.
30,0°C
Annual rain
144mm
Warmest month
36,5°C
Coldest month
22,5°C
Mean alt.
29m
Min
-486m
Max
131m
Std. dev.
30m
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

8,2

Org. C

7,3g/kg

Clay

22,5%

Sand

32,0%

Silt

45,6%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
7,5g/kg
Clay
21,8%
Sand
33,5%
Silt
44,7%
5–15 cm
pH H₂O
8,2
Org. C
7,1g/kg
Clay
22,8%
Sand
31,6%
Silt
45,6%
15–30 cm
pH H₂O
8,2
Org. C
7,2g/kg
Clay
22,8%
Sand
30,7%
Silt
46,4%

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

Land cover

Forest0.8%
Crops16.3%
Built-up0.1%
Bare soil62.0%
Other (grassland, water…)20.8%

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

Hydrology9 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,22km²

Basins crossed

9

Max drainage

8 759km²

Discharge in basins

1,2m³/s

Mean precip.

67mm/an

Mean T°

29,2°C

Moisture idx

-0,96

Mean runoff

34mm/an

Mean elev. (basins)

93m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

6,5%

Pesticides

0,8kg/km²

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