Ontologia

District · YEM

Al Qatn

Yemen

BWhArid, desert, hot(100 %)

Species observed

21

Observations

34

Area

3 128,1km²

Ecological tissue

Sample of 7 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 Qatn : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
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

21 distinct species · 34 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

34 obs · 6 cellules
Obs. / cellule
≥ 12
12–11
10–11
5–9
< 5

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

Climate

Mean T°

26,8°C

Annual rain

64mm

Warmest m°

38,3°C

Coldest m°

11,0°C

Elevation: 943 m on average (min 670 m, max 1 227 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
64mm
Warmest month
38,3°C
Coldest month
11,0°C
Mean alt.
943m
Min
670m
Max
1 227m
Std. dev.
140m
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

7,9g/kg

Clay

13,3%

Sand

44,3%

Silt

42,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
8,2g/kg
Clay
12,7%
Sand
44,8%
Silt
42,6%
5–15 cm
pH H₂O
8,1
Org. C
7,2g/kg
Clay
13,0%
Sand
44,6%
Silt
42,4%
15–30 cm
pH H₂O
8,0
Org. C
8,2g/kg
Clay
14,3%
Sand
43,5%
Silt
42,2%

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

Land cover

Forest1.6%
Crops2.1%
Built-up0.1%
Bare soil85.4%
Other (grassland, water…)10.8%

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

Hydrology10 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

310,7km

Basins crossed

10

Max stream order

5

Max drainage

37 126km²

Discharge in basins

1,9m³/s

Mean precip.

75mm/an

Mean T°

22,1°C

Moisture idx

-0,95

Mean runoff

4mm/an

Mean elev. (basins)

970m

Watersheds crossing here

1 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

5,6%

Pesticides

0,1kg/km²

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