Ontologia

Commune · CHN

Runan

China

CwaTemperate, dry winter, hot summer(87 %)

Species observed

43

Observations

66

Area

1 608,9km²

Ecological tissue

Sample of 17 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Runan : 15 espèces reliées par 17 interactions GloBI sur 4 types (connectance 12.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
17
Connectance
0.125
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

43 distinct species · 66 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

66 obs · 18 cellules
Obs. / cellule
≥ 15
12–14
3–11
2–2
< 2

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

15,5°C

Annual rain

1 027mm

Warmest m°

31,0°C

Coldest m°

-2,8°C

Elevation: 58 m on average (min 43 m, max 100 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
1 027mm
Warmest month
31,0°C
Coldest month
-2,8°C
Mean alt.
58m
Min
43m
Max
100m
Std. dev.
10m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(87 %)Temperate

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

12,1g/kg

Clay

33,3%

Sand

19,3%

Silt

47,4%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiMaggregated to Zhumadian

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
18,6g/kg
Clay
32,6%
Sand
19,7%
Silt
47,8%
5–15 cm
pH H₂O
7,3
Org. C
9,7g/kg
Clay
32,5%
Sand
19,5%
Silt
48,0%
15–30 cm
pH H₂O
7,4
Org. C
8,0g/kg
Clay
34,9%
Sand
18,8%
Silt
46,3%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest4.4%
Crops70.4%
Built-up2.3%
Bare soil1.1%
Other (grassland, water…)21.9%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology7 basins · 2 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

129,4km

Lake surface here

77,97km²

Basins crossed

7

Max stream order

5

Max drainage

6 558km²

Discharge in basins

51,3m³/s

Mean precip.

759mm/an

Mean T°

15,1°C

Moisture idx

-0,34

Max snow

5%

Mean runoff

297mm/an

Mean elev. (basins)

80m

Watersheds crossing here

Lakes (2, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

4hab/km²

Night light

0,9nW

Built-up

228,9%

Pesticides

74,5kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)