Commune · CHN
Biru
China
Species observed
340
Observations
655
Area
11 223,9km²
Ecological tissue
Sample of 13 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 Biru : 12 espèces reliées par 10 interactions GloBI sur 2 types (connectance 12.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
340 distinct species · 655 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-6,1°C
Annual rain
1 086mm
Warmest m°
11,4°C
Coldest m°
-27,5°C
Elevation: 4 856 m on average (min 3 938 m, max 6 366 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
6,6
Org. C
49,3g/kg
Clay
14,0%
Sand
48,1%
Silt
37,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Nagchu
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)
Hydrology34 basins · 10 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
969,1km
Lake surface here
5,77km²
Basins crossed
34
Max stream order
6
Max drainage
44 140km²
Discharge in basins
953,4m³/s
Mean precip.
463mm/an
Mean T°
-2,1°C
Moisture idx
-0,29
Max snow
46%
Mean runoff
361mm/an
Mean elev. (basins)
4 846m
Watersheds crossing here
- Bassin de 江曲sub-area2 158,1 km²overlap1450.81 km²13%
- Bassin de 怒江sub-area1 075 km²overlap1066.24 km²9%
- Bassin de 七曲sub-area1 054,4 km²overlap1046.37 km²9%
- Bassin de 姐曲sub-area1 138,3 km²overlap974.06 km²9%
- Bassin de 索曲sub-area1 269,6 km²overlap910.22 km²8%
- Bassin de 莫弄sub-area1 289,6 km²overlap853.24 km²8%
- Basin #27760sub-area807 km²overlap796.25 km²7%
- Bassin de 怒江sub-area620,6 km²overlap620.08 km²6%
- Basin #17880sub-area525,6 km²overlap525.17 km²5%
25 more basinssorted by overlap
- Bassin de 怒江sub-area473,8 km²overlap473.43 km²4%
- Bassin de 那曲sub-area397,9 km²overlap382.23 km²3%
- Basin #27440sub-area333,3 km²overlap332.96 km²3%
- Bassin de 七曲sub-area323,1 km²overlap322.78 km²3%
- Bassin de 卡曲sub-area980,5 km²overlap300.74 km²3%
- Bassin de 那曲sub-area249,7 km²overlap246.60 km²2%
- Bassin de 怒江sub-area230,1 km²overlap229.93 km²2%
- Bassin de 怒江sub-area229,5 km²overlap225.29 km²2%
- Bassin de 怒江sub-area249,2 km²overlap153.11 km²1%
- Bassin de 卡曲sub-area594,1 km²overlap93.28 km²1%
- Bassin de 卡曲sub-area119,7 km²overlap87.49 km²1%
- Bassin de 那曲sub-area57,1 km²overlap55.64 km²0%
- Bassin de 那曲sub-area17,8 km²overlap17.76 km²0%
- Bassin de 罗曲sub-area1 468,1 km²overlap13.93 km²0%
- Bassin de 则不弄sub-area509,6 km²overlap12.11 km²0%
- Bassin de 德曲sub-area2 272,2 km²overlap6.17 km²0%
- Bassin de 本曲sub-area2 398 km²overlap5.76 km²0%
- Bassin de 甲贡弄巴sub-area545,5 km²overlap5.20 km²0%
- Bassin de 索曲sub-area609,6 km²overlap4.43 km²0%
- Bassin de 杜鲁弄巴sub-area1 600,2 km²overlap3.76 km²0%
- Bassin de 怒江sub-area509,8 km²overlap3.31 km²0%
- Bassin de 那曲sub-area1 070,5 km²overlap2.28 km²0%
- Bassin de 甲浦弄巴sub-area273,5 km²overlap2.21 km²0%
- Bassin de 热他曲sub-area205,2 km²overlap0.78 km²0%
- Bassin de 卡曲sub-area423,9 km²overlap0.21 km²0%
Lakes (10, top by area)
- 萨木措area2 km²avg depth18.3 m
- Lac 1376692area0,9 km²avg depth2.4 m
- Lac 1377273area0,8 km²avg depth10.0 m
- Lac 1377293area0,5 km²avg depth9.2 m
- Lac 1377004area0,4 km²avg depth3.8 m
- Lac 1376521area0,3 km²avg depth3.4 m
- Lac 1377190area0,3 km²avg depth6.5 m
- Lac 1376489area0,3 km²avg depth5.0 m
- Lac 1376712area0,2 km²avg depth1.7 m
1 more lakes
Rivers / streams (20, ord ≥ 4)
- 怒江ord 6len here151.79 km4%total3437 km
- 七曲ord 3len here135.51 km100%total136 km
- 莫弄ord 3len here117.78 km86%total137 km
- 那曲ord 6len here95.66 km15%total656 km
- 卡曲ord 5len here93.05 km25%total376 km
- 江曲ord 4len here78.65 km100%total79 km
- 姐曲ord 5len here60.75 km48%total126 km
- 嘎弄ord 3len here27.19 km100%total27 km
- 靶曲ord 3len here27.08 km100%total27 km
- 沙弄巴ord 3len here24.73 km100%total25 km
- 德吉弄ord 4len here23.50 km100%total24 km
- 多色曲ord 3len here21.61 km100%total22 km
8 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
0,3%
Pesticides
1,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)