Ontologia

HydroBASINS lev08 watershed · #4080998520

Bassin de Nậm Sì Lường

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 3 administrative regions across 2 countries : Honghe Hani and Yi, Mường Tè, Nậm Nhùn

Pfafstetter: 43687040

Sub-basin area

633,8km²

Upstream area

634,1km²

Discharge

23,28m³/s

Mean elev.

1 307m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Sông Đà400 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

121 distinct species · 225 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

225 obs · 13 cellules
Obs. / cellule
≥ 97
65–96
20–64
2–19
< 2

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

Ecological tissue

Sample of 16 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 Bassin de Nậm Sì Lường : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
14
Connectance
0.117
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

18,5°C

Annual rain

1 571mm

Moisture idx (CMI)

0,17

Runoff

1 152mm/an

PET

1 301mm

AET

982mm

Mean slope

23,4°

Water table

771cm

Forest

13%

Crops

5%

Urban

1%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)