Commune · CHN
Nan'an
China
Species observed
235
Observations
370
Area
1 961,7km²
Ecological tissue
Sample of 37 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 Nan'an : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 4 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
235 distinct species · 370 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
20,5°C
Annual rain
1 557mm
Warmest m°
30,9°C
Coldest m°
7,1°C
Elevation: 204 m on average (min -27 m, max 945 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
5,7
Org. C
21,1g/kg
Clay
25,4%
Sand
37,0%
Silt
37,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Quanzhou
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)
Hydrology11 basins · 19 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
248,8km
Lake surface here
20,95km²
Basins crossed
11
Max stream order
5
Max drainage
5 256km²
Discharge in basins
136,5m³/s
Mean precip.
1 319mm/an
Mean T°
20,2°C
Moisture idx
0,13
Mean runoff
630mm/an
Mean elev. (basins)
255m
Watersheds crossing here
- Bassin de 东溪sub-area1 918,2 km²overlap855.54 km²44%
- Bassin de 西溪sub-area663,2 km²overlap533.76 km²27%
- Bassin de 九十九溪sub-area331,1 km²overlap177.58 km²9%
- Bassin de 九溪sub-area180,2 km²overlap120.89 km²6%
- Bassin de 九溪sub-area586,3 km²overlap119.21 km²6%
- Bassin de 晋江sub-area194,6 km²overlap97.03 km²5%
- Bassin de 西溪sub-area258,6 km²overlap41.95 km²2%
- Bassin de 小蓝溪sub-area589,7 km²overlap10.95 km²1%
- Bassin de 汀溪sub-area517,9 km²overlap2.62 km²0%
2 more basinssorted by overlap
Lakes (19, top by area)
- Shanmei Shuikuarea12,8 km²avg depth51.4 m
- Wutan Shuikuarea4,1 km²avg depth30.5 m
- Houqiao Shuikuarea2,4 km²avg depth16.9 m
- Shibi Shuikuarea2 km²avg depth29.9 m
- Xin’an Shuikuarea1,1 km²avg depth3.7 m
- Lac 1384938area0,4 km²avg depth8.6 m
- Lac 1385102area0,4 km²avg depth4.8 m
- Lac 1386066area0,4 km²avg depth5.7 m
- Lac 1386143area0,3 km²avg depth4.2 m
10 more lakes
- Lac 1385349area0,3 km²avg depth4.6 m
- Lac 1385247area0,3 km²avg depth3.1 m
- Lac 1386192area0,2 km²avg depth3.7 m
- Lac 1385484area0,2 km²avg depth7.3 m
- Lac 1385220area0,2 km²avg depth4.1 m
- Lac 1385057area0,2 km²avg depth4.9 m
- Lac 1385303area0,2 km²avg depth4.6 m
- Lac 1385077area0,2 km²avg depth4.1 m
- Lac 1386012area0,1 km²avg depth7.6 m
- Lac 1385162area0,1 km²avg depth4.3 m
Rivers / streams (9, ord ≥ 4)
- 东溪ord 4len here89.80 km57%total157 km
- 西溪ord 4len here49.81 km21%total236 km
- 九溪ord 2len here19.99 km74%total27 km
- 晋江ord 5len here19.38 km46%total43 km
- 梅溪ord 2len here17.29 km100%total17 km
- 蘭溪ord 3len here15.83 km100%total16 km
- 罗东溪ord 3len here14.17 km100%total14 km
- 九十九溪ord 3len here11.62 km38%total31 km
- 大盈溪ord 2len here10.94 km85%total13 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
4,5nW
Built-up
410,6%
Pesticides
68,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)