Ontologia

Commune · CHN

Ouhai

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

353

Observations

763

Area

656km²

Ecological tissue

Sample of 33 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 Ouhai : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 6.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
38
Connectance
0.068
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

353 distinct species · 763 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

763 obs · 17 cellules
Obs. / cellule
≥ 231
145–230
35–144
25–34
< 25

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

Climate

Mean T°

17,7°C

Annual rain

2 082mm

Warmest m°

30,1°C

Coldest m°

2,7°C

Elevation: 216 m on average (min -45 m, max 858 m)

Bioclimatic detailsExpert
Annual mean temp.
17,7°C
Annual rain
2 082mm
Warmest month
30,1°C
Coldest month
2,7°C
Mean alt.
216m
Min
-45m
Max
858m
Std. dev.
216m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,6

Org. C

28,6g/kg

Clay

28,7%

Sand

26,7%

Silt

44,5%

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

Dominant lithology: paGLiMaggregated to Wenzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
45,3g/kg
Clay
28,3%
Sand
27,2%
Silt
44,5%
5–15 cm
pH H₂O
5,6
Org. C
24,8g/kg
Clay
28,6%
Sand
26,5%
Silt
44,9%
15–30 cm
pH H₂O
5,6
Org. C
15,8g/kg
Clay
29,4%
Sand
26,4%
Silt
44,2%

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

Land cover

Forest48.9%
Crops8.7%
Built-up4.5%
Bare soil1.3%
Other (grassland, water…)36.6%

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

Hydrology4 basins · 4 lakes · 23 rivers

Hydrology metrics for this exact territory

Stream length here

97,2km

Lake surface here

1,32km²

Basins crossed

4

Max stream order

6

Max drainage

14 754km²

Discharge in basins

95,3m³/s

Mean precip.

1 696mm/an

Mean T°

17,4°C

Moisture idx

0,38

Mean runoff

847mm/an

Mean elev. (basins)

221m

Watersheds crossing here

Lakes (4, top by area)

Rivers / streams (23, ord ≥ 4)

11 more river segments

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

Human pressure

Pop. density

13hab/km²

Night light

8,7nW

Built-up

450,5%

Pesticides

70,3kg/km²

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