Ontologia

Commune · CHN

Longchang

China

CwaTemperate, dry winter, hot summer(82 %)

Species observed

190

Observations

602

Area

782,8km²

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 Longchang : 21 espèces reliées par 46 interactions GloBI sur 3 types (connectance 9.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
46
Connectance
0.093
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

190 distinct species · 602 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

602 obs · 7 cellules
Obs. / cellule
≥ 413
413–412
56–412
33–55
< 33

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

Climate

Mean T°

18,1°C

Annual rain

1 254mm

Warmest m°

30,4°C

Coldest m°

4,3°C

Elevation: 362 m on average (min 295 m, max 483 m)

Bioclimatic detailsExpert
Annual mean temp.
18,1°C
Annual rain
1 254mm
Warmest month
30,4°C
Coldest month
4,3°C
Mean alt.
362m
Min
295m
Max
483m
Std. dev.
28m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(82 %)Temperate

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

Soil & lithology

pH H₂O

6,6

Org. C

17,9g/kg

Clay

28,0%

Sand

29,4%

Silt

42,6%

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

Dominant lithology: smGLiMaggregated to Neijiang]]

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
31,0g/kg
Clay
27,7%
Sand
29,4%
Silt
42,8%
5–15 cm
pH H₂O
6,6
Org. C
12,3g/kg
Clay
27,7%
Sand
29,4%
Silt
42,9%
15–30 cm
pH H₂O
6,6
Org. C
10,3g/kg
Clay
28,7%
Sand
29,2%
Silt
42,1%

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

Land cover

Forest23.3%
Crops51.5%
Built-up1.7%
Bare soil1.3%
Other (grassland, water…)22.2%

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

Hydrology4 basins · 5 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

36,4km

Lake surface here

7,07km²

Basins crossed

4

Max stream order

4

Max drainage

19 764km²

Discharge in basins

74,3m³/s

Mean precip.

1 074mm/an

Mean T°

18,0°C

Moisture idx

-0,01

Max snow

1%

Mean runoff

553mm/an

Mean elev. (basins)

352m

Watersheds crossing here

Lakes (5, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

0,8nW

Built-up

172,8%

Pesticides

72,2kg/km²

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