Ontologia

Governorate · yem

Al Hudaydah

Yemen

BWhArid, desert, hot(100 %)

Species observed

509

Observations

3 151

Area

13 314,2km²

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 Hudaydah : 18 espèces reliées par 39 interactions GloBI sur 2 types (connectance 13.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
39
Connectance
0.130
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

509 distinct species · 3 151 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 151 obs · 172 cellules
Obs. / cellule
≥ 234
43–233
12–42
6–11
< 6

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

Climate

Mean T°

29,7°C

Annual rain

283mm

Warmest m°

37,1°C

Coldest m°

21,4°C

Elevation: 127 m on average (min -486 m, max 1 751 m)

Bioclimatic detailsExpert
Annual mean temp.
29,7°C
Annual rain
283mm
Warmest month
37,1°C
Coldest month
21,4°C
Mean alt.
127m
Min
-486m
Max
1 751m
Std. dev.
167m
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

7,8g/kg

Clay

21,4%

Sand

39,6%

Silt

39,0%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
8,8g/kg
Clay
20,4%
Sand
41,1%
Silt
38,5%
5–15 cm
pH H₂O
8,2
Org. C
7,6g/kg
Clay
21,1%
Sand
40,0%
Silt
38,8%
15–30 cm
pH H₂O
8,2
Org. C
7,1g/kg
Clay
22,8%
Sand
37,7%
Silt
39,5%

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

Land cover

Forest1.7%
Crops29.3%
Built-up0.2%
Bare soil36.5%
Other (grassland, water…)32.3%

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

Hydrology38 basins · 2 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

131,7km

Lake surface here

0,54km²

Basins crossed

38

Max stream order

5

Max drainage

8 759km²

Discharge in basins

33,8m³/s

Mean precip.

129mm/an

Mean T°

28,7°C

Moisture idx

-0,93

Mean runoff

51mm/an

Mean elev. (basins)

252m

Watersheds crossing here

29 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,2nW

Built-up

21,2%

Pesticides

0,8kg/km²

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

Protected areas3

IUCN II · 3🌊 Marine · 1📍 Point sites · 1

Malhan PA

IUCN II

Protected Area · 2010

321 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations26