Ontologia

District · YEM

Al Abr

Yemen

BWhArid, desert, hot(100 %)

Species observed

231

Observations

702

Area

7 460,8km²

Ecological tissue

Sample of 25 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 Abr : 21 espèces reliées par 18 interactions GloBI sur 4 types (connectance 6.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
18
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

231 distinct species · 702 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

702 obs · 10 cellules
Obs. / cellule
≥ 654
654–653
3–653
1–2
< 1

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

Climate

Mean T°

27,3°C

Annual rain

54mm

Warmest m°

39,0°C

Coldest m°

11,7°C

Elevation: 830 m on average (min 689 m, max 1 297 m)

Bioclimatic detailsExpert
Annual mean temp.
27,3°C
Annual rain
54mm
Warmest month
39,0°C
Coldest month
11,7°C
Mean alt.
830m
Min
689m
Max
1 297m
Std. dev.
98m
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

5,6g/kg

Clay

14,5%

Sand

42,9%

Silt

42,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
6,2g/kg
Clay
13,5%
Sand
43,9%
Silt
42,6%
5–15 cm
pH H₂O
8,2
Org. C
5,4g/kg
Clay
14,1%
Sand
43,3%
Silt
42,6%
15–30 cm
pH H₂O
8,2
Org. C
5,1g/kg
Clay
16,0%
Sand
41,5%
Silt
42,5%

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

Land cover

Forest0.1%
Crops0.1%
Built-up0.0%
Bare soil98.7%
Other (grassland, water…)1.2%

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

Hydrology35 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

50,9km

Basins crossed

35

Max stream order

6

Max drainage

37 126km²

Discharge in basins

0,2m³/s

Mean precip.

58mm/an

Mean T°

23,0°C

Moisture idx

-0,97

Mean runoff

6mm/an

Mean elev. (basins)

854m

Watersheds crossing here

26 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,1%

Pesticides

0,0kg/km²

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