Ontologia

District · LAO

Nan

Laos

AwTropical, savannah(60 %)

Species observed

219

Observations

1 342

Area

1 376,1km²

Ecological tissue

Sample of 19 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 Nan : 17 espèces reliées par 17 interactions GloBI sur 3 types (connectance 9.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
17
Connectance
0.099
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

219 distinct species · 1 342 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 342 obs · 15 cellules
Obs. / cellule
≥ 569
566–568
24–565
3–23
< 3

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

Climate

Mean T°

22,1°C

Annual rain

2 047mm

Warmest m°

29,2°C

Coldest m°

11,7°C

Elevation: 842 m on average (min 296 m, max 1 850 m)

Bioclimatic detailsExpert
Annual mean temp.
22,1°C
Annual rain
2 047mm
Warmest month
29,2°C
Coldest month
11,7°C
Mean alt.
842m
Min
296m
Max
1 850m
Std. dev.
347m
Köppen-Geiger (dominant)
AwTropical, savannah(60 %)Tropical

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

Soil & lithology

pH H₂O

5,4

Org. C

26,1g/kg

Clay

32,6%

Sand

34,2%

Silt

33,3%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
37,3g/kg
Clay
31,0%
Sand
35,3%
Silt
33,8%
5–15 cm
pH H₂O
5,4
Org. C
24,8g/kg
Clay
32,1%
Sand
34,4%
Silt
33,5%
15–30 cm
pH H₂O
5,4
Org. C
16,3g/kg
Clay
34,6%
Sand
32,9%
Silt
32,5%

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

Land cover

Forest82.1%
Crops3.3%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)14.4%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

54,4km

Basins crossed

4

Max stream order

7

Max drainage

277 933km²

Discharge in basins

2 188,3m³/s

Mean precip.

1 498mm/an

Mean T°

23,0°C

Moisture idx

-0,07

Mean runoff

666mm/an

Mean elev. (basins)

755m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

6,7%

Pesticides

0,0kg/km²

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