Ontologia

Commune · CHN

Longnan

China

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

Species observed

1 008

Observations

3 105

Area

1 638,4km²

Ecological tissue

Sample of 32 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 Longnan : 29 espèces reliées par 29 interactions GloBI sur 3 types (connectance 5.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
29
Connectance
0.052
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

1 008 distinct species · 3 105 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 105 obs · 24 cellules
Obs. / cellule
≥ 1 718
115–1 717
15–114
4–14
< 4

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

Climate

Mean T°

19,1°C

Annual rain

1 957mm

Warmest m°

30,4°C

Coldest m°

4,0°C

Elevation: 441 m on average (min 204 m, max 1 130 m)

Bioclimatic detailsExpert
Annual mean temp.
19,1°C
Annual rain
1 957mm
Warmest month
30,4°C
Coldest month
4,0°C
Mean alt.
441m
Min
204m
Max
1 130m
Std. dev.
152m
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

5,5

Org. C

26,1g/kg

Clay

28,4%

Sand

40,9%

Silt

30,7%

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

Dominant lithology: ssGLiMaggregated to Ganzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
39,6g/kg
Clay
27,3%
Sand
41,7%
Silt
31,0%
5–15 cm
pH H₂O
5,5
Org. C
23,0g/kg
Clay
27,4%
Sand
41,6%
Silt
31,0%
15–30 cm
pH H₂O
5,5
Org. C
15,6g/kg
Clay
30,5%
Sand
39,4%
Silt
30,1%

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

Land cover

Forest69.8%
Crops7.4%
Built-up0.7%
Bare soil0.6%
Other (grassland, water…)21.5%

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

Hydrology10 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

129,6km

Basins crossed

10

Max stream order

5

Max drainage

2 753km²

Discharge in basins

82,1m³/s

Mean precip.

1 739mm/an

Mean T°

19,1°C

Moisture idx

0,29

Mean runoff

948mm/an

Mean elev. (basins)

434m

Watersheds crossing here

1 more basins

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

Human pressure

Pop. density

2hab/km²

Night light

0,6nW

Built-up

74,5%

Pesticides

65,2kg/km²

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