Dong Phou Vieng
IUCN VINational Protected Area · 1993
2 049 km²
Province · lao
Saravan
Laos
AwTropical, savannah(57 %)
Species observed
620
Observations
2 575
Area
10 180,8km²
Ecological tissue
Sample of 33 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 Saravan : 27 espèces reliées par 37 interactions GloBI sur 3 types (connectance 7.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
37
Connectance
0.070
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
620 distinct species · 2 575 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,2°C
Annual rain
2 282mm
Warmest m°
31,7°C
Coldest m°
15,8°C
Elevation: 427 m on average (min 120 m, max 1 715 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
24,2°C
Annual rain
2 282mm
Warmest month
31,7°C
Coldest month
15,8°C
Mean alt.
427m
Min
120m
Max
1 715m
Std. dev.
297m
Köppen-Geiger (dominant)
AwTropical, savannah(57 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,6
Org. C
24,8g/kg
Clay
26,3%
Sand
39,7%
Silt
34,0%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
33,6g/kg
Clay
25,1%
Sand
40,5%
Silt
34,4%
5–15 cm
pH H₂O
5,6
Org. C
25,4g/kg
Clay
25,8%
Sand
40,0%
Silt
34,2%
15–30 cm
pH H₂O
5,6
Org. C
15,4g/kg
Clay
28,0%
Sand
38,6%
Silt
33,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest70.1%
Crops14.3%
Built-up0.2%
Bare soil0.3%
Other (grassland, water…)15.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology26 basins · 2 lakes · 41 rivers
Hydrology metrics for this exact territory
Stream length here
1 519,5km
Lake surface here
0,34km²
Basins crossed
26
Max stream order
8
Max drainage
420 815km²
Discharge in basins
6 696,2m³/s
Mean precip.
2 033mm/an
Mean T°
24,5°C
Moisture idx
0,20
Mean runoff
1 138mm/an
Mean elev. (basins)
426m
Watersheds crossing here
- Bassin de Xe Donsub-area1 826,7 km²overlap1717.73 km²17%
- Bassin de ເຊໂດນsub-area1 361,1 km²overlap1142.03 km²11%
- Bassin de ເຊລໍມານາsub-area979,1 km²overlap951.37 km²9%
- Bassin de Xe Bangnouansub-area1 351,5 km²overlap807.11 km²8%
- Bassin de ເຊລານົງsub-area806,8 km²overlap782.88 km²8%
- Bassin de ເຊໂປນsub-area1 948 km²overlap701.95 km²7%
- Bassin de Xe Lanongsub-area575,6 km²overlap553.46 km²5%
- Bassin de แม่น้ำโขง / ແມ່ນ້ຳຂອງsub-area1 138 km²overlap544.70 km²5%
- Bassin de ເຊເັຊດsub-area804,6 km²overlap467.06 km²5%
17 more basinssorted by overlap
- Bassin de Nam Sungsub-area424 km²overlap419.38 km²4%
- Bassin de Houay Lamphongsub-area341,3 km²overlap340.15 km²3%
- Bassin de Xe Tanouansub-area806,8 km²overlap329.87 km²3%
- Bassin de ເຊກອງsub-area1 663,5 km²overlap325.03 km²3%
- Bassin de ຕາປຸງsub-area379,5 km²overlap323.88 km²3%
- Bassin de Sông A Sápsub-area839,5 km²overlap283.65 km²3%
- Bassin de Houay Ka Pheusub-area391,9 km²overlap166.59 km²2%
- Bassin de แม่น้ำโขง / ແມ່ນ້ຳຂອງsub-area685 km²overlap100.11 km²1%
- Bassin de Xe Banghiangsub-area2 110,7 km²overlap80.75 km²1%
- Bassin de ເຊໂດນsub-area62,2 km²overlap61.98 km²1%
- Bassin de ห้วยกะจันsub-area523,8 km²overlap49.34 km²0%
- Bassin de Sông Thạch Hãnsub-area2 695,4 km²overlap13.95 km²0%
- Bassin de ເຊກອງsub-area1 096,6 km²overlap6.06 km²0%
- Bassin de Xe Lanongsub-area377,6 km²overlap5.29 km²0%
- Bassin de ຫ້ອຍຈໍປີsub-area1 118,5 km²overlap4.04 km²0%
- Bassin de ເຊກອງsub-area8,5 km²overlap1.40 km²0%
- Bassin de แม่น้ำโขง / ແມ່ນ້ຳຂອງsub-area149,4 km²overlap1.06 km²0%
Lakes (2, top by area)
Rivers / streams (41, ord ≥ 4)
- ເຊໂດນord 5len here201.34 km69%total293 km
- Xe Bangnouanord 4len here148.86 km69%total215 km
- ເຊໂປນord 4len here118.86 km48%total245 km
- Xe Donord 5len here100.71 km88%total115 km
- แม่น้ำโขง / ແມ່ນ້ຳຂອງord 8len here96.67 km6%total1522 km
- ຕາປຸງord 3len here73.32 km85%total86 km
- Xe Don basin (Mekong)ord 5len here67.47 km100%total68 km
- Houay Xuakord 3len here67.26 km100%total67 km
- ເຊເັຊດord 4len here63.77 km66%total96 km
- Nam Sungord 3len here56.35 km100%total56 km
- Houay Lamphongord 3len here55.17 km100%total55 km
- ເຊສາບord 4len here46.51 km75%total62 km
29 more river segmentssorted by Strahler order + length
- ເຊລໍມານາord 3len here45.16 km100%total45 km
- ເຊລານົງord 4len here44.10 km100%total44 km
- ເຊກອນord 4len here43.65 km100%total44 km
- Houay Chunphunord 2len here38.97 km96%total40 km
- Xe Tanouanord 4len here34.50 km36%total96 km
- Se Setord 4len here30.04 km100%total30 km
- ນຳ້ໄສord 3len here28.47 km100%total29 km
- Houay Ka Pheuord 3len here24.68 km30%total81 km
- Houay Phanord 3len here16.08 km100%total16 km
- Houay Takkayord 3len here14.20 km100%total14 km
- Houay Saphatord 2len here13.89 km100%total14 km
- Houay Kotord 2len here12.04 km100%total12 km
- Houay Kongord 2len here11.96 km100%total12 km
- ຫວ້ຍຫລວງord 8len here11.36 km36%total32 km
- Houay Gnangord 2len here8.58 km100%total9 km
- Houay Thoneord 3len here7.25 km100%total7 km
- ເຊບັ້ງນວນord 4len here6.88 km100%total7 km
- Houay Naord 2len here5.75 km100%total6 km
- Xe Lanongord 5len here5.57 km3%total184 km
- Houay Somord 2len here4.70 km28%total17 km
- Houay Khiaoord 1len here4.45 km100%total4 km
- Sông Xê Pônord 4len here4.41 km5%total97 km
- Houay Ngouaord 4len here2.78 km5%total54 km
- Sông A Sápord 4len here1.49 km2%total82 km
- Houay Tatouangord 1len here1.14 km100%total1 km
- ເຊກອງord 6len here0.68 km0%total586 km
- ห้วยคันธุงord 2len here0.36 km1%total26 km
- ห้วยกะจันord 8len here0.05 km0%total62 km
- ห้วยแคน 2ord 1len here≈ tangenttotal7 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
19,5%
Pesticides
0,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN VI · 4IUCN IV · 1IUCN II · 1
Xe Xap
IUCN VINational Protected Area · 1996
1 530 km²
Eld' Deer Sanctuary
IUCN IVNational Protected Area · 2020
1 308 km²
Xe Bang Nouan
IUCN VINational Protected Area · 1993
1 298 km²
Phou Xieng Thong
IUCN VINational Protected Area · 1993
1 061 km²
Pha Tam
IUCN IINational Park · 1991
354 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN