Ontologia

Governorate · yem

Al Bayda'

Yemen

BWhArid, desert, hot(94 %)

Species observed

259

Observations

1 231

Area

9 282,2km²

Ecological tissue

Sample of 23 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 Bayda' : 20 espèces reliées par 24 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
24
Connectance
0.095
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

259 distinct species · 1 231 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 231 obs · 53 cellules
Obs. / cellule
≥ 435
46–434
16–45
7–15
< 7

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

Climate

Mean T°

20,1°C

Annual rain

244mm

Warmest m°

30,5°C

Coldest m°

8,4°C

Elevation: 1 946 m on average (min 1 079 m, max 2 866 m)

Bioclimatic detailsExpert
Annual mean temp.
20,1°C
Annual rain
244mm
Warmest month
30,5°C
Coldest month
8,4°C
Mean alt.
1 946m
Min
1 079m
Max
2 866m
Std. dev.
219m
Köppen-Geiger (dominant)
BWhArid, desert, hot(94 %)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

13,8g/kg

Clay

29,3%

Sand

35,7%

Silt

35,0%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
18,2g/kg
Clay
27,6%
Sand
37,3%
Silt
35,1%
5–15 cm
pH H₂O
8,0
Org. C
12,1g/kg
Clay
28,5%
Sand
35,9%
Silt
35,6%
15–30 cm
pH H₂O
8,0
Org. C
11,2g/kg
Clay
31,7%
Sand
33,9%
Silt
34,4%

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

Land cover

Forest0.9%
Crops3.8%
Built-up0.1%
Bare soil58.7%
Other (grassland, water…)36.5%

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

Hydrology17 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

212,6km

Basins crossed

17

Max stream order

4

Max drainage

3 262km²

Discharge in basins

5,4m³/s

Mean precip.

243mm/an

Mean T°

17,9°C

Moisture idx

-0,85

Mean runoff

21mm/an

Mean elev. (basins)

1 872m

Watersheds crossing here

8 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

9,7%

Pesticides

0,1kg/km²

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

Sub-administrations19