Ontologia

Province · tha

Nan

Thailand

AwTropical, savannah(88 %)

Species observed

3 265

Observations

30 848

Area

12 235,8km²

Ecological tissue

Sample of 26 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 : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
27
Connectance
0.083
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

3 265 distinct species · 30 848 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 848 obs · 224 cellules
Obs. / cellule
≥ 2 592
187–2 591
46–186
11–45
< 11

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

Climate

Mean T°

24,4°C

Annual rain

1 568mm

Warmest m°

32,5°C

Coldest m°

14,3°C

Elevation: 585 m on average (min 160 m, max 1 868 m)

Bioclimatic detailsExpert
Annual mean temp.
24,4°C
Annual rain
1 568mm
Warmest month
32,5°C
Coldest month
14,3°C
Mean alt.
585m
Min
160m
Max
1 868m
Std. dev.
305m
Köppen-Geiger (dominant)
AwTropical, savannah(88 %)Tropical

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

Soil & lithology

pH H₂O

5,7

Org. C

21,2g/kg

Clay

29,5%

Sand

37,2%

Silt

33,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
30,5g/kg
Clay
26,7%
Sand
38,6%
Silt
34,7%
5–15 cm
pH H₂O
5,7
Org. C
20,6g/kg
Clay
29,6%
Sand
37,2%
Silt
33,2%
15–30 cm
pH H₂O
5,6
Org. C
12,5g/kg
Clay
32,2%
Sand
35,7%
Silt
32,0%

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

Land cover

Forest77.7%
Crops6.3%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)15.7%

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

Hydrology35 basins · 7 lakes · 23 rivers

Hydrology metrics for this exact territory

Stream length here

1 077,1km

Lake surface here

30,25km²

Basins crossed

35

Max stream order

5

Max drainage

12 293km²

Discharge in basins

697,1m³/s

Mean precip.

1 298mm/an

Mean T°

24,0°C

Moisture idx

-0,22

Mean runoff

366mm/an

Mean elev. (basins)

590m

Watersheds crossing here

26 more basins

Lakes (7, top by area)

Rivers / streams (23, ord ≥ 4)

11 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

24,2%

Pesticides

8,0kg/km²

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

Protected areas8

IUCN II · 6IUCN VI · 1IUCN Ia · 1

Doi Phukha

IUCN II

National Park · 1999

1 901 km²

Nam Poui

IUCN VI

National Protected Area · 1993

1 771 km²

Mae Charim

IUCN II

National Park · 1994

1 103 km²

Si Nan

IUCN II

National Park · 2007

998 km²

Phu Zang

IUCN II

National Park · 2000

729 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations44