Ontologia

Commune · CHN

Longhua

China

DwaCold, dry winter, hot summer(50 %)

Species observed

195

Observations

388

Area

5 444km²

Ecological tissue

Sample of 29 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 Longhua : 26 espèces reliées par 27 interactions GloBI sur 4 types (connectance 6.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
27
Connectance
0.067
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

195 distinct species · 388 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

388 obs · 20 cellules
Obs. / cellule
≥ 259
78–258
4–77
1–3
< 1

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

Climate

Mean T°

5,9°C

Annual rain

508mm

Warmest m°

25,6°C

Coldest m°

-17,8°C

Elevation: 923 m on average (min 429 m, max 1 629 m)

Bioclimatic detailsExpert
Annual mean temp.
5,9°C
Annual rain
508mm
Warmest month
25,6°C
Coldest month
-17,8°C
Mean alt.
923m
Min
429m
Max
1 629m
Std. dev.
194m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(50 %)Cold

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

25,7g/kg

Clay

17,4%

Sand

43,1%

Silt

39,5%

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

Dominant lithology: paGLiMaggregated to Chengde

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
38,5g/kg
Clay
16,3%
Sand
44,0%
Silt
39,8%
5–15 cm
pH H₂O
7,3
Org. C
22,4g/kg
Clay
17,4%
Sand
43,2%
Silt
39,5%
15–30 cm
pH H₂O
7,3
Org. C
16,2g/kg
Clay
18,5%
Sand
42,2%
Silt
39,3%

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

Land cover

Forest42.8%
Crops16.2%
Built-up0.4%
Bare soil0.6%
Other (grassland, water…)40.0%

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

Hydrology19 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

501,3km

Basins crossed

19

Max stream order

5

Max drainage

25 970km²

Discharge in basins

82,1m³/s

Mean precip.

488mm/an

Mean T°

5,0°C

Moisture idx

-0,46

Max snow

11%

Mean runoff

56mm/an

Mean elev. (basins)

948m

Watersheds crossing here

10 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

41,5%

Pesticides

78,5kg/km²

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