Ontologia

County · IRN

Varamin

Iran

BWhArid, desert, hot(82 %)

Species observed

408

Observations

38 587

Area

1 980km²

Ecological tissue

Sample of 26 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 Varamin : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 3 types (connectance 14.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
46
Connectance
0.141
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

408 distinct species · 38 587 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 587 obs · 42 cellules
Obs. / cellule
≥ 16 765
436–16 764
64–435
24–63
< 24

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

Climate

Mean T°

19,1°C

Annual rain

207mm

Warmest m°

39,1°C

Coldest m°

-1,9°C

Elevation: 869 m on average (min 773 m, max 1 259 m)

Bioclimatic detailsExpert
Annual mean temp.
19,1°C
Annual rain
207mm
Warmest month
39,1°C
Coldest month
-1,9°C
Mean alt.
869m
Min
773m
Max
1 259m
Std. dev.
74m
Köppen-Geiger (dominant)
BWhArid, desert, hot(82 %)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

5,1g/kg

Clay

28,5%

Sand

33,3%

Silt

38,3%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
6,6g/kg
Clay
27,9%
Sand
33,9%
Silt
38,2%
5–15 cm
pH H₂O
7,6
Org. C
3,0g/kg
Clay
28,9%
Sand
32,8%
Silt
38,3%
15–30 cm
pH H₂O
7,6
Org. C
5,8g/kg
Clay
28,6%
Sand
33,1%
Silt
38,3%

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

Land cover

Forest1.4%
Crops35.7%
Built-up0.7%
Bare soil51.8%
Other (grassland, water…)10.3%

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

Hydrology10 basins · 3 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

344,9km

Lake surface here

0,87km²

Basins crossed

10

Max stream order

5

Max drainage

23 576km²

Discharge in basins

64,0m³/s

Mean precip.

149mm/an

Mean T°

16,6°C

Moisture idx

-0,90

Max snow

14%

Mean runoff

79mm/an

Mean elev. (basins)

1 082m

Watersheds crossing here

1 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

3,7nW

Built-up

71,2%

Pesticides

3,0kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN V · 1

Kavir

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1976

6 816 km²

Kavir

IUCN V

Protected Area · 1982

2 441 km²

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