Ontologia

HydroBASINS lev08 watershed · #2080704990

Bassin de رودخانه سفیدرود -- قزل اوزن

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 4 administrative regions : Hashtrud, Mahneshan, Takab, Zanjan

Pfafstetter: 28480710

Sub-basin area

2 573,2km²

Upstream area

26 924,6km²

Discharge

113,5m³/s

Mean elev.

1 770m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de قزل اوزن1552 km²

4 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Angoran

    IUCN V

    Protected Area

    390.23 km² overlap

  • Angoran

    IUCN IV

    Wildlife Refuge

    25.76 km² overlap

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

Species present

65 distinct species · 91 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

91 obs · 20 cellules
Obs. / cellule
≥ 19
16–18
4–15
2–3
< 2

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

Ecological tissue

Sample of 28 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 رودخانه سفیدرود -- قزل اوزن : 25 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
36
Connectance
0.095
Patrimoniales
3
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°

10,3°C

Annual rain

387mm

Moisture idx (CMI)

-0,67

Runoff

115mm/an

PET

1 186mm

AET

331mm

Mean slope

9,2°

Water table

553cm

Forest

0%

Crops

16%

Urban

0%

Protected

16%

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