Ontologia

Province · irn

Alborz

Iran

BSkArid, steppe, cold(49 %)

Species observed

1 395

Observations

21 064

Area

5 401,5km²

Ecological tissue

Sample of 24 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 Alborz : 15 espèces reliées par 65 interactions GloBI sur 4 types (connectance 21.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
65
Connectance
0.217
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 395 distinct species · 21 064 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 064 obs · 137 cellules
Obs. / cellule
≥ 2 406
359–2 405
73–358
29–72
< 29

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

Climate

Mean T°

10,8°C

Annual rain

614mm

Warmest m°

30,5°C

Coldest m°

-8,8°C

Elevation: 1 853 m on average (min 1 090 m, max 3 821 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
614mm
Warmest month
30,5°C
Coldest month
-8,8°C
Mean alt.
1 853m
Min
1 090m
Max
3 821m
Std. dev.
708m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(49 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,6

Org. C

14,2g/kg

Clay

26,7%

Sand

32,6%

Silt

40,7%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
21,7g/kg
Clay
25,9%
Sand
33,2%
Silt
40,9%
5–15 cm
pH H₂O
7,7
Org. C
10,3g/kg
Clay
26,8%
Sand
32,5%
Silt
40,6%
15–30 cm
pH H₂O
7,7
Org. C
10,7g/kg
Clay
27,4%
Sand
32,0%
Silt
40,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest1.5%
Crops16.8%
Built-up1.9%
Bare soil28.1%
Other (grassland, water…)51.7%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology18 basins · 1 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

547,0km

Lake surface here

3,50km²

Basins crossed

18

Max stream order

3

Max drainage

18 945km²

Discharge in basins

177,7m³/s

Mean precip.

245mm/an

Mean T°

11,6°C

Moisture idx

-0,80

Max snow

28%

Mean runoff

213mm/an

Mean elev. (basins)

1 857m

Watersheds crossing here

9 more basins

Lakes (1, top by area)

Rivers / streams (26, ord ≥ 4)

14 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

7hab/km²

Night light

6,8nW

Built-up

193,1%

Pesticides

3,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Sub-administrations4