Ontologia

HydroBASINS lev08 watershed · #4080580900

Bassin de 黄河

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 : Dingxi, Lanzhou, Linxia Hui

Pfafstetter: 43279050

Sub-basin area

1 346,5km²

Upstream area

225 314,5km²

Discharge

759,12m³/s

Mean elev.

1 961m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

3 dept-equivalent regions (GADM L2)

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

Species present

1 245 distinct species · 6 395 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 395 obs · 31 cellules
Obs. / cellule
≥ 1 314
793–1 313
107–792
8–106
< 8

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

Ecological tissue

Sample of 40 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 黄河 : 23 espèces reliées par 78 interactions GloBI sur 5 types (connectance 8.6%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
78
Connectance
0.086
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°

7,3°C

Annual rain

377mm

Moisture idx (CMI)

-0,61

Runoff

7mm/an

PET

993mm

AET

327mm

Mean slope

12,3°

Water table

568cm

Forest

11%

Crops

21%

Urban

24%

Protected

3%

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