Ontologia

Province · irn

Tehran

Iran

BSkArid, steppe, cold(34 %)

Species observed

2 080

Observations

173 099

Area

13 788,5km²

Ecological tissue

Sample of 32 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 Tehran : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
64
Connectance
0.114
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

2 080 distinct species · 173 099 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

173 099 obs · 296 cellules
Obs. / cellule
≥ 12 934
704–12 933
118–703
36–117
< 36

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

Climate

Mean T°

12,6°C

Annual rain

442mm

Warmest m°

31,4°C

Coldest m°

-7,0°C

Elevation: 1 740 m on average (min 773 m, max 4 058 m)

Bioclimatic detailsExpert
Annual mean temp.
12,6°C
Annual rain
442mm
Warmest month
31,4°C
Coldest month
-7,0°C
Mean alt.
1 740m
Min
773m
Max
4 058m
Std. dev.
753m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(34 %)Arid

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

Soil & lithology

pH H₂O

7,7

Org. C

10,0g/kg

Clay

26,8%

Sand

36,6%

Silt

36,6%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
15,1g/kg
Clay
26,0%
Sand
37,3%
Silt
36,7%
5–15 cm
pH H₂O
7,7
Org. C
6,5g/kg
Clay
27,1%
Sand
36,3%
Silt
36,6%
15–30 cm
pH H₂O
7,7
Org. C
8,4g/kg
Clay
27,2%
Sand
36,2%
Silt
36,6%

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

Land cover

Forest0.9%
Crops14.6%
Built-up1.8%
Bare soil41.7%
Other (grassland, water…)40.9%

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

Hydrology35 basins · 8 lakes · 80 rivers

Hydrology metrics for this exact territory

Stream length here

1 734,0km

Lake surface here

3,65km²

Basins crossed

35

Max stream order

5

Max drainage

38 632km²

Discharge in basins

261,9m³/s

Mean precip.

164mm/an

Mean T°

13,6°C

Moisture idx

-0,88

Max snow

41%

Mean runoff

147mm/an

Mean elev. (basins)

1 668m

Watersheds crossing here

26 more basins

Lakes (8, top by area)

Rivers / streams (80, ord ≥ 4)

68 more river segments

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

Human pressure

Pop. density

5hab/km²

Night light

6,7nW

Built-up

182,7%

Pesticides

1,8kg/km²

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

Protected areas7

IUCN V · 3IUCN II · 3IUCN Not Applicable · 1

Kavir

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1976

6 816 km²

Kavir

IUCN V

Protected Area · 1982

2 441 km²

Jajrud

IUCN V

Protected Area · 1982

744 km²

Lar

IUCN II

National Park · 2001

312 km²

Vargin

IUCN V

Protected Area · 1982

278 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations9