Ontologia

HydroBASINS lev08 watershed · #4080708730

Bassin de 岷江

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 2 administrative regions : Mianyang, Ngawa Tibetan and Qiang

2% lakePfafstetter: 43496261

Sub-basin area

317,3km²

Upstream area

5 706,4km²

Discharge

74,77m³/s

Mean elev.

3 108m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

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

Species present

27 distinct species · 58 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

58 obs · 7 cellules
Obs. / cellule
≥ 32
32–31
8–31
4–7
< 4

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

Ecological tissue

Sample of 7 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 岷江 : 5 espèces reliées par 6 interactions GloBI sur 3 types (connectance 28.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
7
Interactions affichées
6
Connectance
0.286
Patrimoniales
0
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°

5,3°C

Annual rain

907mm

Moisture idx (CMI)

0,00

Runoff

513mm/an

PET

908mm

AET

720mm

Mean slope

32,1°

Water table

1 171cm

Forest

92%

Crops

6%

Urban

0%

Protected

3%

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