Ontologia

HydroBASINS lev08 watershed · #4080402810

Bassin de 大凌河

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 2 administrative regions : Chaoyang, Chifeng

Pfafstetter: 42490258

Sub-basin area

249km²

Upstream area

249km²

Discharge

0,3m³/s

Mean elev.

457m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

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

Species present

4 distinct species · 9 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 obs · 5 cellules
Obs. / cellule
≥ 3
3–2
2–2
2–1
< 2

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

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

7,2°C

Annual rain

510mm

Moisture idx (CMI)

-0,48

Runoff

39mm/an

PET

981mm

AET

439mm

Mean slope

7,5°

Water table

368cm

Forest

9%

Crops

37%

Urban

2%

Protected

10%

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