District · YEM
Sirwah
Yemen
Species observed
67
Observations
77
Area
1 381,7km²
Ecological tissue
Sample of 26 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).
Indicateurs du tissu écologique
Tissu écologique de Sirwah : 21 espèces reliées par 33 interactions GloBI sur 2 types (connectance 10.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
67 distinct species · 77 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,5°C
Annual rain
75mm
Warmest m°
35,1°C
Coldest m°
10,3°C
Elevation: 1 477 m on average (min 1 105 m, max 2 053 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
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
9,3g/kg
Clay
15,2%
Sand
57,3%
Silt
27,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
61,4km
Lake surface here
3,25km²
Basins crossed
5
Max stream order
5
Max drainage
21 497km²
Discharge in basins
0,0m³/s
Mean precip.
155mm/an
Mean T°
20,2°C
Moisture idx
-0,91
Mean runoff
27mm/an
Mean elev. (basins)
1 478m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
2,0%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)