Ontologia

Commune · CHN

Long

China

DwbCold, dry winter, warm summer(52 %)

Species observed

490

Observations

1 134

Area

2 298,6km²

Ecological tissue

Sample of 5 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 Long : 4 espèces reliées par 3 interactions GloBI sur 2 types (connectance 30.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
5
Interactions affichées
3
Connectance
0.300
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

490 distinct species · 1 134 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 134 obs · 18 cellules
Obs. / cellule
≥ 909
176–908
4–175
2–3
< 2

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

Climate

Mean T°

9,7°C

Annual rain

750mm

Warmest m°

25,7°C

Coldest m°

-8,8°C

Elevation: 1 446 m on average (min 802 m, max 2 342 m)

Bioclimatic detailsExpert
Annual mean temp.
9,7°C
Annual rain
750mm
Warmest month
25,7°C
Coldest month
-8,8°C
Mean alt.
1 446m
Min
802m
Max
2 342m
Std. dev.
376m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(52 %)Cold

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

Soil & lithology

pH H₂O

7,5

Org. C

22,9g/kg

Clay

23,5%

Sand

28,6%

Silt

48,0%

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

Dominant lithology: ssGLiMaggregated to Baoji

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
39,4g/kg
Clay
22,9%
Sand
29,1%
Silt
48,0%
5–15 cm
pH H₂O
7,5
Org. C
17,8g/kg
Clay
23,2%
Sand
28,6%
Silt
48,2%
15–30 cm
pH H₂O
7,5
Org. C
11,6g/kg
Clay
24,3%
Sand
28,0%
Silt
47,7%

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

Land cover

Forest45.5%
Crops12.7%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)40.8%

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

Hydrology11 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

282,1km

Lake surface here

0,80km²

Basins crossed

11

Max stream order

4

Max drainage

31 112km²

Discharge in basins

15,8m³/s

Mean precip.

634mm/an

Mean T°

9,5°C

Moisture idx

-0,34

Max snow

1%

Mean runoff

101mm/an

Mean elev. (basins)

1 473m

Watersheds crossing here

2 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

38,1%

Pesticides

69,3kg/km²

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