Ontologia

District · YEM

Al Ghaydah

Yemen

BWhArid, desert, hot(100 %)

Species observed

347

Observations

1 111

Area

8 461,1km²

Ecological tissue

Sample of 5 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 Ghaydah : 5 espèces reliées par 3 interactions GloBI sur 1 type (connectance 30.0%, filtre Serrano α=0.2).

Espèces affichées
5
Interactions affichées
3
Connectance
0.300
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

347 distinct species · 1 111 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 111 obs · 29 cellules
Obs. / cellule
≥ 356
206–355
11–205
3–10
< 3

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

Climate

Mean T°

25,6°C

Annual rain

86mm

Warmest m°

35,1°C

Coldest m°

15,5°C

Elevation: 341 m on average (min -221 m, max 1 303 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
86mm
Warmest month
35,1°C
Coldest month
15,5°C
Mean alt.
341m
Min
-221m
Max
1 303m
Std. dev.
304m
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

8,1

Org. C

8,5g/kg

Clay

14,8%

Sand

50,4%

Silt

34,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
8,9g/kg
Clay
14,6%
Sand
50,4%
Silt
35,0%
5–15 cm
pH H₂O
8,1
Org. C
8,3g/kg
Clay
14,3%
Sand
50,8%
Silt
34,9%
15–30 cm
pH H₂O
8,1
Org. C
8,3g/kg
Clay
15,4%
Sand
50,2%
Silt
34,4%

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

Land cover

Forest0.5%
Crops0.1%
Built-up0.0%
Bare soil89.8%
Other (grassland, water…)9.6%

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

Hydrology26 basins · 2 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

496,9km

Lake surface here

0,40km²

Basins crossed

26

Max stream order

5

Max drainage

17 961km²

Discharge in basins

0,7m³/s

Mean precip.

67mm/an

Mean T°

25,0°C

Moisture idx

-0,96

Mean runoff

16mm/an

Mean elev. (basins)

370m

Watersheds crossing here

17 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

2,0%

Pesticides

0,0kg/km²

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