Commune · CHN
Weichang Manchu and Mongol
China
Species observed
875
Observations
2 957
Area
8 952,5km²
Ecological tissue
Sample of 39 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 Weichang Manchu and Mongol : 29 espèces reliées par 55 interactions GloBI sur 5 types (connectance 7.1%, filtre Serrano α=0.2). 11 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
875 distinct species · 2 957 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,1°C
Annual rain
492mm
Warmest m°
23,4°C
Coldest m°
-21,2°C
Elevation: 1 293 m on average (min 725 m, max 1 864 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
7,4
Org. C
28,2g/kg
Clay
16,9%
Sand
49,7%
Silt
33,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Chengde
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)
Hydrology23 basins · 7 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
532,5km
Lake surface here
3,42km²
Basins crossed
23
Max stream order
4
Max drainage
12 680km²
Discharge in basins
12,8m³/s
Mean precip.
457mm/an
Mean T°
2,9°C
Moisture idx
-0,45
Max snow
21%
Mean runoff
33mm/an
Mean elev. (basins)
1 246m
Watersheds crossing here
- Bassin de 小滦河sub-area2 052,7 km²overlap1771.81 km²20%
- Bassin de 蚁蚂吐河sub-area2 446,7 km²overlap1407.35 km²16%
- Bassin de 舍路嘎河sub-area2 323,8 km²overlap1222.98 km²14%
- Bassin de 阴河sub-area602,8 km²overlap603.81 km²7%
- Bassin de 伊逊河sub-area608,5 km²overlap603.59 km²7%
- Bassin de 伊逊河sub-area594,8 km²overlap595.72 km²7%
- Bassin de 伊逊河sub-area572,5 km²overlap573.42 km²6%
- Bassin de 英金河sub-area522 km²overlap519.09 km²6%
- Bassin de 伊逊河sub-area1 298,8 km²overlap405.68 km²5%
14 more basinssorted by overlap
- Bassin de 吐力根河sub-area1 258,4 km²overlap389.51 km²4%
- Bassin de 伊逊河sub-area295,9 km²overlap296.34 km²3%
- Bassin de 阴河sub-area258,6 km²overlap248.82 km²3%
- Bassin de 阴河sub-area95,2 km²overlap95.37 km²1%
- Bassin de 滦河sub-area745,3 km²overlap87.34 km²1%
- Bassin de 武烈河sub-area2 578,8 km²overlap50.65 km²1%
- Bassin de 阴河sub-area242,8 km²overlap42.16 km²0%
- Bassin de 滦河sub-area173,9 km²overlap24.14 km²0%
- Bassin de 百岔河sub-area1 616,8 km²overlap9.15 km²0%
- Bassin de 憋龙沟sub-area682,8 km²overlap4.74 km²0%
- Bassin de 锡泊河sub-area540 km²overlap0.36 km²0%
- Bassin de 滦河sub-area400,5 km²overlap0.32 km²0%
- Bassin de 滦河sub-area231,7 km²overlap0.14 km²0%
- Bassin de 锡泊河sub-area133,5 km²overlap0.03 km²0%
Lakes (7, top by area)
Rivers / streams (8, ord ≥ 4)
- 小滦河ord 4len here162.71 km80%total203 km
- 伊逊河ord 5len here143.29 km40%total354 km
- 伊玛图河ord 4len here61.30 km100%total61 km
- 英金河ord 5len here50.36 km30%total168 km
- 舍路嘎河ord 4len here44.27 km38%total116 km
- 阴河ord 5len here35.87 km21%total167 km
- 燕格柏河ord 3len here34.75 km100%total35 km
- 蚁蚂吐河ord 4len here0.00 km0%total125 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
25,5%
Pesticides
72,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)