Ontologia

District · YEM

Sahar

Yemen

BWhArid, desert, hot(99 %)

Species observed

14

Observations

64

Area

742,3km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 2 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 Sahar : 1 espèces reliées par 2 interactions GloBI sur 2 types (connectance 200.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
2
Interactions affichées
2
Connectance
2.000
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

14 distinct species · 64 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

64 obs · 7 cellules
Obs. / cellule
≥ 21
21–20
7–20
6–6
< 6

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

Climate

Mean T°

19,5°C

Annual rain

424mm

Warmest m°

29,2°C

Coldest m°

8,4°C

Elevation: 1 961 m on average (min 1 555 m, max 2 352 m)

Bioclimatic detailsExpert
Annual mean temp.
19,5°C
Annual rain
424mm
Warmest month
29,2°C
Coldest month
8,4°C
Mean alt.
1 961m
Min
1 555m
Max
2 352m
Std. dev.
124m
Köppen-Geiger (dominant)
BWhArid, desert, hot(99 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

8,4

Org. C

8,8g/kg

Clay

20,7%

Sand

46,5%

Silt

32,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,4
Org. C
9,6g/kg
Clay
19,0%
Sand
47,9%
Silt
33,0%
5–15 cm
pH H₂O
8,4
Org. C
8,1g/kg
Clay
19,4%
Sand
47,7%
Silt
32,9%
15–30 cm
pH H₂O
8,4
Org. C
8,6g/kg
Clay
23,8%
Sand
44,0%
Silt
32,2%

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

Land cover

Forest2.5%
Crops9.9%
Built-up0.2%
Bare soil62.7%
Other (grassland, water…)24.8%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

55,0km

Basins crossed

4

Max stream order

4

Max drainage

2 658km²

Discharge in basins

0,1m³/s

Mean precip.

188mm/an

Mean T°

19,1°C

Moisture idx

-0,89

Mean runoff

15mm/an

Mean elev. (basins)

1 899m

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

Human pressure

Pop. density

2hab/km²

Night light

0,3nW

Built-up

16,8%

Pesticides

0,4kg/km²

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