Commune · CHN
Hanchuan
China
Species observed
77
Observations
423
Area
1 664,1km²
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 Hanchuan : 25 espèces reliées par 37 interactions GloBI sur 4 types (connectance 8.0%, 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
77 distinct species · 423 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,0°C
Annual rain
1 411mm
Warmest m°
31,6°C
Coldest m°
-0,3°C
Elevation: 24 m on average (min 20 m, max 95 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
19,4g/kg
Clay
30,8%
Sand
24,5%
Silt
44,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: pbGLiMaggregated to Xiaogan
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)
Hydrology20 basins · 23 lakes · 22 rivers
Hydrology metrics for this exact territory
Stream length here
277,1km
Lake surface here
21,64km²
Basins crossed
20
Max stream order
7
Max drainage
165 306km²
Discharge in basins
3 724,1m³/s
Mean precip.
1 158mm/an
Mean T°
16,7°C
Moisture idx
0,04
Max snow
2%
Mean runoff
489mm/an
Mean elev. (basins)
30m
Watersheds crossing here
- Bassin de 北灌渠sub-area873 km²overlap451.41 km²27%
- Bassin de 汉水sub-area384,9 km²overlap340.09 km²20%
- Bassin de 东环乡渠sub-area189,5 km²overlap156.84 km²9%
- Bassin de 汉北河sub-area249,2 km²overlap110.98 km²7%
- Bassin de 通顺河sub-area2 203,9 km²overlap102.24 km²6%
- Bassin de 汉水sub-area271,8 km²overlap95.87 km²6%
- Bassin de 北支河sub-area112,4 km²overlap80.43 km²5%
- Bassin de 汉北河sub-area126,6 km²overlap64.01 km²4%
- Bassin de 溾水sub-area1 312,9 km²overlap53.14 km²3%
11 more basinssorted by overlap
- Bassin de 府河故道sub-area238,8 km²overlap46.45 km²3%
- Bassin de 汉水sub-area46,2 km²overlap45.84 km²3%
- Bassin de 沉湖中干渠sub-area265,6 km²overlap40.87 km²2%
- Bassin de 府河故道sub-area36,1 km²overlap31.07 km²2%
- Bassin de 汉水sub-area1 670 km²overlap21.76 km²1%
- Bassin de 不水sub-area18,4 km²overlap9.23 km²1%
- Bassin de 汉北河sub-area33 km²overlap8.66 km²1%
- Bassin de 不水sub-area195,8 km²overlap3.07 km²0%
- Bassin de 大富水sub-area1 676,2 km²overlap1.61 km²0%
- Bassin de 汉北河sub-area508,5 km²overlap0.43 km²0%
- Bassin de 汉水sub-area508,2 km²overlap0.08 km²0%
Lakes (23, top by area)
- 东西汊湖area22,3 km²avg depth1.7 m
- 索子长河area16,4 km²avg depth2.3 m
- 老观湖area3,2 km²avg depth2.9 m
- 天屿湖area3 km²avg depth2.6 m
- 黄龙沄area2,7 km²avg depth2.6 m
- 许家赛湖area2,1 km²avg depth2.3 m
- 旧港长河area1,2 km²avg depth1.3 m
- Lac 1377729area0,8 km²avg depth1.3 m
- Lac 1377727area0,7 km²avg depth1.3 m
14 more lakes
- Lac 1377520area0,6 km²avg depth1.6 m
- Lac 1377917area0,6 km²avg depth2.7 m
- Lac 1378018area0,5 km²avg depth2.0 m
- Lac 1377584area0,5 km²avg depth1.6 m
- Lac 1377736area0,5 km²avg depth1.0 m
- Lac 1377738area0,4 km²avg depth0.7 m
- Lac 1377749area0,3 km²avg depth0.6 m
- Lac 1378041area0,2 km²avg depth1.8 m
- Lac 1377724area0,2 km²avg depth0.6 m
- Lac 1377723area0,2 km²avg depth1.0 m
- Lac 1377936area0,2 km²avg depth2.3 m
- Lac 1378054area0,2 km²avg depth1.5 m
- Lac 1378077area0,1 km²avg depth1.2 m
- Lac 1377529area0,1 km²avg depth1.2 m
Rivers / streams (22, ord ≥ 4)
- 汉水ord 9len here122.65 km26%total478 km
- 汉北河ord 5len here26.86 km12%total225 km
- 府河故道ord 5len here22.59 km76%total30 km
- 北支河ord 4len here22.07 km64%total35 km
- 南干渠ord 3len here9.30 km15%total61 km
- 东干渠ord 7len here8.73 km8%total106 km
- 才型沟渠ord 2len here5.83 km88%total7 km
- 沉湖南干渠ord 2len here5.79 km100%total6 km
- 南支河ord 1len here5.63 km100%total6 km
- 吴家长河ord 1len here5.54 km100%total6 km
- 汉阳河ord 3len here5.37 km47%total11 km
- 中洲北干渠ord 1len here4.98 km100%total5 km
10 more river segmentssorted by Strahler order + length
- 不水ord 4len here4.91 km16%total30 km
- 东环乡渠ord 2len here4.30 km54%total8 km
- 中横河ord 2len here4.26 km100%total4 km
- 庙五河ord 2len here4.23 km100%total4 km
- 和丰二渠ord 1len here3.99 km100%total4 km
- 沦水ord 5len here3.91 km100%total4 km
- 沉湖中干渠ord 2len here2.97 km10%total29 km
- 大富水ord 3len here2.00 km1%total226 km
- 改道河ord 1len here0.77 km16%total5 km
- 仙下河ord 1len here0.41 km4%total10 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
1,1nW
Built-up
222,9%
Pesticides
74,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)