Ontologia

District · YEM

Harf Sufyan

Yemen

BWhArid, desert, hot(100 %)

Species observed

8

Observations

17

Area

2 725km²

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 Harf Sufyan : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

8 distinct species · 17 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 obs · 5 cellules
Obs. / cellule
≥ 7
7–6
5–6
2–4
< 2

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

Climate

Mean T°

21,6°C

Annual rain

227mm

Warmest m°

31,8°C

Coldest m°

9,7°C

Elevation: 1 650 m on average (min 897 m, max 2 375 m)

Bioclimatic detailsExpert
Annual mean temp.
21,6°C
Annual rain
227mm
Warmest month
31,8°C
Coldest month
9,7°C
Mean alt.
1 650m
Min
897m
Max
2 375m
Std. dev.
209m
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

8,5g/kg

Clay

17,7%

Sand

47,9%

Silt

34,4%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
9,4g/kg
Clay
15,9%
Sand
49,2%
Silt
34,9%
5–15 cm
pH H₂O
8,2
Org. C
7,8g/kg
Clay
17,0%
Sand
48,4%
Silt
34,6%
15–30 cm
pH H₂O
8,2
Org. C
8,4g/kg
Clay
20,2%
Sand
46,1%
Silt
33,7%

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

Land cover

Forest0.4%
Crops1.4%
Built-up0.0%
Bare soil86.9%
Other (grassland, water…)11.3%

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

Hydrology14 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

106,4km

Basins crossed

14

Max stream order

4

Max drainage

8 867km²

Discharge in basins

0,3m³/s

Mean precip.

170mm/an

Mean T°

19,7°C

Moisture idx

-0,90

Mean runoff

9mm/an

Mean elev. (basins)

1 734m

Watersheds crossing here

5 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,8%

Pesticides

0,2kg/km²

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