Commune · CHN
Tongwei
China
Species observed
1 261
Observations
2 369
Area
2 910,6km²
Ecological tissue
Sample of 30 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 Tongwei : 25 espèces reliées par 40 interactions GloBI sur 3 types (connectance 8.6%, filtre Serrano α=0.2). 6 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
1 261 distinct species · 2 369 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,5°C
Annual rain
469mm
Warmest m°
23,7°C
Coldest m°
-11,9°C
Elevation: 1 958 m on average (min 1 510 m, max 2 399 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
7,9
Org. C
26,9g/kg
Clay
23,1%
Sand
27,7%
Silt
49,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Dingxi
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)
Hydrology8 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
324,6km
Lake surface here
0,31km²
Basins crossed
8
Max stream order
4
Max drainage
10 714km²
Discharge in basins
11,3m³/s
Mean precip.
523mm/an
Mean T°
7,8°C
Moisture idx
-0,43
Max snow
1%
Mean runoff
92mm/an
Mean elev. (basins)
1 874m
Watersheds crossing here
- Bassin de 牛谷河sub-area2 480,3 km²overlap1751.09 km²60%
- Bassin de 南河sub-area1 247,3 km²overlap664.32 km²23%
- Bassin de 葫芦河sub-area1 815,3 km²overlap200.54 km²7%
- Bassin de 咸河sub-area1 162,6 km²overlap170.80 km²6%
- Bassin de 东河sub-area794,2 km²overlap43.69 km²2%
- Bassin de 厉河sub-area572,3 km²overlap43.54 km²1%
- Bassin de 渭河sub-area474,8 km²overlap34.92 km²1%
- Bassin de 高界河sub-area896,6 km²overlap1.69 km²0%
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- 牛谷河ord 4len here91.06 km98%total93 km
- 常家河ord 3len here65.45 km89%total74 km
- 南河ord 5len here58.71 km28%total210 km
- 苦水河ord 5len here50.38 km13%total374 km
- 中林河ord 1len here18.03 km100%total18 km
- 散渡河ord 5len here16.66 km18%total92 km
- 西河ord 4len here11.83 km8%total146 km
- 杜家河ord 2len here5.98 km14%total43 km
- 孟家河ord 1len here5.35 km100%total5 km
- 厉河ord 3len here1.11 km3%total33 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
19,0%
Pesticides
68,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)