Nakai-Nam Teun
IUCN IINational Park · 2019
4 233 km²
District · LAO
Nakai
Laos
CwaTemperate, dry winter, hot summer(59 %)
Species observed
1 414
Observations
6 008
Area
4 236km²
Ecological tissue
Sample of 44 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 Nakai : 40 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 2 types (connectance 4.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
40
Connectance
0.042
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 414 distinct species · 6 008 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,0°C
Annual rain
2 737mm
Warmest m°
27,9°C
Coldest m°
11,8°C
Elevation: 752 m on average (min 173 m, max 2 106 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,0°C
Annual rain
2 737mm
Warmest month
27,9°C
Coldest month
11,8°C
Mean alt.
752m
Min
173m
Max
2 106m
Std. dev.
298m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(59 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,3
Org. C
27,8g/kg
Clay
31,5%
Sand
34,6%
Silt
33,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,3
Org. C
37,0g/kg
Clay
30,2%
Sand
35,5%
Silt
34,3%
5–15 cm
pH H₂O
5,3
Org. C
27,7g/kg
Clay
30,7%
Sand
35,1%
Silt
34,3%
15–30 cm
pH H₂O
5,3
Org. C
18,6g/kg
Clay
33,6%
Sand
33,3%
Silt
33,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest88.2%
Crops1.4%
Built-up0.0%
Bare soil0.8%
Other (grassland, water…)9.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 1 lakes · 32 rivers
Hydrology metrics for this exact territory
Stream length here
909,1km
Lake surface here
1,34km²
Basins crossed
14
Max stream order
5
Max drainage
4 326km²
Discharge in basins
196,0m³/s
Mean precip.
2 331mm/an
Mean T°
21,8°C
Moisture idx
0,39
Mean runoff
1 074mm/an
Mean elev. (basins)
756m
Watersheds crossing here
- Bassin de ນຳ້ຊອດsub-area1 802,5 km²overlap1490.82 km²35%
- Bassin de ນຳ້ເທີນsub-area1 355,5 km²overlap1332.53 km²31%
- Bassin de ນຳ້ອູsub-area838,2 km²overlap718.38 km²17%
- Bassin de Nam Bout-Nuasub-area1 227,3 km²overlap593.55 km²14%
- Bassin de Xe Bangfaisub-area1 579,4 km²overlap48.54 km²1%
- Bassin de Sông Rào Cáisub-area1 012,6 km²overlap14.29 km²0%
- Bassin de Sông Ngàn Sâusub-area649,1 km²overlap9.76 km²0%
- Bassin de Houay Insub-area710,9 km²overlap8.64 km²0%
- Bassin de ນຳ້ພາວsub-area1 163,5 km²overlap7.80 km²0%
5 more basinssorted by overlap
Lakes (1, top by area)
Rivers / streams (32, ord ≥ 4)
- ນຳ້ເທີນord 6len here166.38 km65%total254 km
- ນຳ້ຊອດord 4len here118.72 km98%total121 km
- Nam Noyord 4len here114.15 km72%total159 km
- ນຳ້ອູord 4len here100.39 km73%total138 km
- ນຳ້ມອນord 3len here80.12 km100%total80 km
- Nam Theun Riverord 5len here55.12 km87%total64 km
- Nam Pheoord 3len here48.49 km59%total82 km
- Nam Bout-Nuaord 2len here33.55 km100%total34 km
- Nam Yangord 3len here29.12 km49%total60 km
- Nam Thonord 2len here26.24 km100%total26 km
- Houay Aoord 3len here12.14 km100%total12 km
- Nam Phaoord 3len here12.08 km46%total26 km
20 more river segmentssorted by Strahler order + length
- Nam Binord 1len here10.41 km100%total10 km
- Nam Bout-Taiord 2len here10.14 km100%total10 km
- Houay Maka Noyord 2len here8.70 km100%total9 km
- Nam Hin Bounord 3len here8.50 km52%total16 km
- Houay Thatord 1len here7.49 km100%total8 km
- Houay Rangord 1len here7.21 km100%total7 km
- Nam Sidaord 2len here5.90 km100%total6 km
- Houay Kaninord 2len here5.72 km100%total6 km
- Nam Koangord 2len here5.50 km100%total6 km
- Houay Vang Yiamord 1len here5.38 km100%total5 km
- Houay Nadanord 2len here5.27 km100%total5 km
- Nam Makiord 1len here4.98 km100%total5 km
- Nam Kathang-Gnaiord 2len here4.34 km18%total24 km
- Nam Sanord 3len here4.27 km11%total40 km
- Nam Maloord 1len here4.15 km100%total4 km
- Houay Heord 1len here4.10 km100%total4 km
- Houay Katangord 2len here4.02 km100%total4 km
- NT2 Downstream Channelord 3len here3.97 km13%total30 km
- NT2 Upstream Channelord 1len here1.61 km100%total2 km
- Nam Nianord 2len here0.96 km4%total23 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
2,1%
Pesticides
0,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN II · 2IUCN VI · 1
Phou Hin Poun
IUCN VINational Protected Area · 1993
2 370 km²
Vu Quang
IUCN IINational Park · 2002
588 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN