Commune · CHN
Longjiang
China
Species observed
219
Observations
378
Area
5 951km²
Ecological tissue
Sample of 22 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 Longjiang : 19 espèces reliées par 18 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 3 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
219 distinct species · 378 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,3°C
Annual rain
468mm
Warmest m°
27,1°C
Coldest m°
-23,0°C
Elevation: 213 m on average (min 139 m, max 469 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
7,3
Org. C
20,9g/kg
Clay
24,7%
Sand
40,9%
Silt
34,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Qiqihar
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)
Hydrology25 basins · 37 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
523,6km
Lake surface here
74,57km²
Basins crossed
25
Max stream order
7
Max drainage
124 920km²
Discharge in basins
433,6m³/s
Mean precip.
424mm/an
Mean T°
3,3°C
Moisture idx
-0,47
Max snow
23%
Mean runoff
70mm/an
Mean elev. (basins)
222m
Watersheds crossing here
- Bassin de 雅鲁河sub-area1 337,2 km²overlap1251.74 km²21%
- Basin #93850sub-area1 276,9 km²overlap1090.71 km²18%
- Bassin de 嫩江sub-area1 172,2 km²overlap676.49 km²11%
- Bassin de 绰尔河sub-area791,9 km²overlap599.79 km²10%
- Bassin de 罕达罕河sub-area564,3 km²overlap425.92 km²7%
- Bassin de 雅鲁河sub-area372,8 km²overlap308.75 km²5%
- Bassin de 济沁河sub-area841,3 km²overlap266.07 km²4%
- Bassin de 力根河sub-area183,1 km²overlap183.65 km²3%
- Bassin de 库提河sub-area872,5 km²overlap170.89 km²3%
16 more basinssorted by overlap
- Bassin de 济沁河sub-area153,4 km²overlap153.87 km²3%
- Bassin de 力根河sub-area235,1 km²overlap134.92 km²2%
- Bassin de 绰尔河sub-area506,1 km²overlap114.28 km²2%
- Bassin de 力根河sub-area178,7 km²overlap112.60 km²2%
- Basin #90400sub-area540,5 km²overlap109.60 km²2%
- Bassin de 雅鲁河sub-area2 528,1 km²overlap103.96 km²2%
- Basin #92470sub-area74,6 km²overlap74.45 km²1%
- Basin #90410sub-area469,7 km²overlap59.26 km²1%
- Bassin de 绰尔河sub-area121,6 km²overlap48.62 km²1%
- Basin #92590sub-area226,4 km²overlap44.93 km²1%
- Basin #93840sub-area31,4 km²overlap18.06 km²0%
- Bassin de 绰尔河sub-area1 022,1 km²overlap1.37 km²0%
- Bassin de 力根河sub-area592,6 km²overlap0.66 km²0%
- Basin #95070sub-area218 km²overlap0.22 km²0%
- Basin #97950sub-area282,3 km²overlap0.20 km²0%
- Basin #99090sub-area236,9 km²overlap0.01 km²0%
Lakes (37, top by area)
- Lake #13994area16,2 km²avg depth1.0 m
- Longjiang Huarea13,3 km²avg depth1.9 m
- 鸿雁泡area11,4 km²avg depth1.7 m
- Wengquan Shuikuarea7,1 km²avg depth2.9 m
- Goukou Shuikuarea3,8 km²avg depth2.3 m
- Lake #68940area2,3 km²avg depth1.2 m
- Lake #68911area1,9 km²avg depth1.1 m
- Xiaowengquan Shuikuarea1,9 km²avg depth2.2 m
- Lake #69295area1,7 km²avg depth1.8 m
28 more lakes
- Lake #68964area1,4 km²avg depth1.9 m
- Lake #68907area1,4 km²avg depth0.9 m
- Lake #68954area1,3 km²avg depth1.3 m
- Lake #69121area1 km²avg depth0.7 m
- Lac 1350296area0,9 km²avg depth2.1 m
- Lac 1351761area0,8 km²avg depth2.6 m
- Lac 1350110area0,8 km²avg depth2.0 m
- Lac 1350574area0,6 km²avg depth3.0 m
- Lac 1350206area0,6 km²avg depth4.0 m
- Lac 1350182area0,5 km²avg depth1.9 m
- Lac 1351955area0,5 km²avg depth2.2 m
- Lac 1351778area0,5 km²avg depth3.0 m
- Lac 1350505area0,5 km²avg depth1.2 m
- Lac 1350424area0,4 km²avg depth1.8 m
- Lac 1349966area0,4 km²avg depth1.5 m
- Lac 1349941area0,4 km²avg depth1.6 m
- Lac 1350212area0,3 km²avg depth1.6 m
- Lac 1350188area0,3 km²avg depth1.6 m
- Lac 1349901area0,3 km²avg depth1.4 m
- Lac 1350268area0,3 km²avg depth1.3 m
- Lac 1350379area0,2 km²avg depth2.1 m
- Lac 1350532area0,2 km²avg depth0.5 m
- Lac 1350394area0,2 km²avg depth1.1 m
- Lac 1349992area0,2 km²avg depth1.4 m
- Lac 1350551area0,2 km²avg depth0.8 m
- Lac 1349913area0,2 km²avg depth1.6 m
- Lac 1350315area0,2 km²avg depth1.3 m
- Lac 1349446area0,2 km²avg depth1.7 m
Rivers / streams (9, ord ≥ 4)
- 雅鲁河ord 5len here197.70 km33%total593 km
- 济沁河ord 5len here98.52 km77%total128 km
- 力根河ord 4len here65.01 km57%total115 km
- 罕达罕河ord 4len here54.58 km40%total138 km
- 嫩江ord 7len here44.86 km2%total2399 km
- 绰尔河ord 5len here44.05 km4%total1007 km
- 库提河ord 3len here8.47 km12%total70 km
- 工农兵灌区干渠ord 2len here7.22 km60%total12 km
- 库勒河ord 1len here3.20 km72%total4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,2nW
Built-up
67,0%
Pesticides
77,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)