Ontologia

District · YEM

As Sawm

Yemen

BWhArid, desert, hot(100 %)

Species observed

39

Observations

71

Area

12 271,1km²

Ecological tissue

Sample of 3 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 As Sawm : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

39 distinct species · 71 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

71 obs · 14 cellules
Obs. / cellule
≥ 20
18–19
2–17
1–1
< 1

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

Climate

Mean T°

26,6°C

Annual rain

59mm

Warmest m°

38,8°C

Coldest m°

11,8°C

Elevation: 803 m on average (min 461 m, max 1 470 m)

Bioclimatic detailsExpert
Annual mean temp.
26,6°C
Annual rain
59mm
Warmest month
38,8°C
Coldest month
11,8°C
Mean alt.
803m
Min
461m
Max
1 470m
Std. dev.
165m
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

8,0

Org. C

7,7g/kg

Clay

12,8%

Sand

47,3%

Silt

39,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
8,3g/kg
Clay
12,1%
Sand
47,8%
Silt
40,1%
5–15 cm
pH H₂O
8,0
Org. C
7,1g/kg
Clay
12,1%
Sand
47,8%
Silt
40,1%
15–30 cm
pH H₂O
8,0
Org. C
7,7g/kg
Clay
14,2%
Sand
46,3%
Silt
39,5%

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

Land cover

Forest0.6%
Crops0.3%
Built-up0.0%
Bare soil89.8%
Other (grassland, water…)9.3%

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

Hydrology32 basins · 0 lakes · 21 rivers

Hydrology metrics for this exact territory

Stream length here

909,8km

Basins crossed

32

Max stream order

6

Max drainage

40 276km²

Discharge in basins

3,3m³/s

Mean precip.

91mm/an

Mean T°

22,7°C

Moisture idx

-0,94

Mean runoff

21mm/an

Mean elev. (basins)

813m

Watersheds crossing here

23 more basins

Rivers / streams (21, ord ≥ 4)

9 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,2%

Pesticides

0,0kg/km²

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