Ontologia

HydroBASINS lev08 watershed · #8080215150

Bassin de Shismona River

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 : Denali, Yukon-Koyukuk

12% lakePfafstetter: 81189080

Sub-basin area

335,1km²

Upstream area

335,1km²

Discharge

3,77m³/s

Mean elev.

314m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Swift Fork734 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Denali

    IUCN V

    National Preserve

    211.97 km² overlap

  • Denali

    IUCN II

    National Park

    25.80 km² overlap

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

Species present

6 distinct species · 6 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 obs · 4 cellules
Obs. / cellule
≥ 3
3–2
1–2
1–0
< 1

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°

-3,4°C

Annual rain

370mm

Moisture idx (CMI)

-0,23

Runoff

400mm/an

PET

483mm

AET

319mm

Mean slope

3,0°

Water table

13cm

Forest

1%

Crops

0%

Urban

0%

Protected

73%

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