Commune · CHN
Lu
China
Species observed
417
Observations
594
Area
2 208,9km²
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 Lu : 33 espèces reliées par 37 interactions GloBI sur 4 types (connectance 5.0%, 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
417 distinct species · 594 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,4°C
Annual rain
1 277mm
Warmest m°
30,8°C
Coldest m°
4,9°C
Elevation: 329 m on average (min 232 m, max 597 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
6,1
Org. C
20,0g/kg
Clay
28,0%
Sand
32,9%
Silt
39,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Luzhou
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)
Hydrology14 basins · 11 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
396,1km
Lake surface here
10,11km²
Basins crossed
14
Max stream order
8
Max drainage
647 930km²
Discharge in basins
7 729,8m³/s
Mean precip.
1 102mm/an
Mean T°
18,2°C
Moisture idx
0,02
Max snow
1%
Mean runoff
574mm/an
Mean elev. (basins)
335m
Watersheds crossing here
- Bassin de 龙溪河sub-area1 070 km²overlap717.70 km²32%
- Bassin de 沱江sub-area1 634,6 km²overlap281.41 km²13%
- Bassin de 马溪河sub-area292,9 km²overlap265.62 km²12%
- Bassin de 濑溪河sub-area211,2 km²overlap210.90 km²10%
- Bassin de 大河溪sub-area417,9 km²overlap205.10 km²9%
- Bassin de 九曲河sub-area867,9 km²overlap158.53 km²7%
- Bassin de 濑溪河sub-area527,8 km²overlap134.15 km²6%
- Bassin de 沱江sub-area114,5 km²overlap93.39 km²4%
- Bassin de 濑溪河sub-area52,6 km²overlap52.03 km²2%
Lakes (11, top by area)
- Sanxikou Shuikuarea7,6 km²avg depth3.3 m
- Lac 1380464area0,6 km²avg depth2.7 m
- Lac 1380413area0,6 km²avg depth3.6 m
- Lac 1380503area0,4 km²avg depth3.2 m
- Lac 1380300area0,3 km²avg depth5.6 m
- Lac 1380387area0,3 km²avg depth3.1 m
- Lac 1380377area0,3 km²avg depth3.0 m
- Lac 1380441area0,2 km²avg depth3.0 m
- Lac 1380390area0,1 km²avg depth3.9 m
Rivers / streams (17, ord ≥ 4)
- 龙溪河ord 7len here87.12 km16%total531 km
- 濑溪河ord 5len here83.25 km30%total281 km
- 马溪河ord 3len here44.02 km51%total86 km
- 沱江ord 6len here42.52 km4%total988 km
- 九曲河ord 4len here39.64 km23%total171 km
- 长江ord 9len here37.77 km1%total3801 km
- 怀安河ord 2len here18.04 km87%total21 km
- 丰光河ord 2len here10.33 km77%total13 km
- 大桥河沟ord 1len here10.02 km93%total11 km
- 龙涧溪ord 2len here7.08 km100%total7 km
- 大沙溪ord 1len here6.39 km100%total6 km
- 大桥河ord 2len here5.63 km13%total44 km
5 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,9nW
Built-up
157,4%
Pesticides
73,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)