Ontologia

District · YEM

Bilad Ar Rus

Yemen

BWkArid, desert, cold(59 %)

Species observed

78

Observations

251

Area

398,7km²

Ecological tissue

Sample of 27 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 Bilad Ar Rus : 22 espèces reliées par 33 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
33
Connectance
0.094
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

78 distinct species · 251 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

251 obs · 8 cellules
Obs. / cellule
≥ 155
155–154
15–154
6–14
< 6

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

Climate

Mean T°

17,1°C

Annual rain

463mm

Warmest m°

26,8°C

Coldest m°

6,5°C

Elevation: 2 423 m on average (min 1 546 m, max 2 854 m)

Bioclimatic detailsExpert
Annual mean temp.
17,1°C
Annual rain
463mm
Warmest month
26,8°C
Coldest month
6,5°C
Mean alt.
2 423m
Min
1 546m
Max
2 854m
Std. dev.
360m
Köppen-Geiger (dominant)
BWkArid, desert, cold(59 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

16,0g/kg

Clay

24,8%

Sand

38,2%

Silt

37,1%

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

Dominant lithology: vaGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
21,1g/kg
Clay
23,4%
Sand
40,6%
Silt
36,0%
5–15 cm
pH H₂O
7,8
Org. C
14,1g/kg
Clay
24,8%
Sand
37,9%
Silt
37,3%
15–30 cm
pH H₂O
7,9
Org. C
12,8g/kg
Clay
26,2%
Sand
36,0%
Silt
37,9%

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

Land cover

Forest4.4%
Crops11.3%
Built-up0.0%
Bare soil27.0%
Other (grassland, water…)57.3%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

2 336km²

Discharge in basins

0,2m³/s

Mean precip.

313mm/an

Mean T°

16,7°C

Moisture idx

-0,81

Mean runoff

25mm/an

Mean elev. (basins)

2 258m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

3,0%

Pesticides

0,6kg/km²

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