Ontologia

HydroBASINS lev08 watershed · #3080093930

Bassin de Сеяха

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 1 administrative regions : Yamal'skiy rayon

20% lakePfafstetter: 31106007

Sub-basin area

245,7km²

Upstream area

2 632,4km²

Discharge

25,86m³/s

Mean elev.

34m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • YAmal`skij

    IUCN IV

    State Natural Zakaznik

    240.88 km² overlap

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

Species present

20 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 5 cellules
Obs. / cellule
≥ 16
16–15
3–15
3–2
< 3

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

Ecological tissue

Sample of 5 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 Сеяха : 4 espèces reliées par 4 interactions GloBI sur 1 type (connectance 40.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
5
Interactions affichées
4
Connectance
0.400
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°

-9,2°C

Annual rain

277mm

Moisture idx (CMI)

0,10

Runoff

298mm/an

PET

250mm

AET

208mm

Mean slope

2,1°

Water table

63cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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