Ontologia

County · IRN

Zarandiyeh

Iran

BSkArid, steppe, cold(89 %)

Species observed

219

Observations

1 538

Area

4 513,1km²

Ecological tissue

Sample of 27 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 Zarandiyeh : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
37
Connectance
0.105
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

219 distinct species · 1 538 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 538 obs · 50 cellules
Obs. / cellule
≥ 499
111–498
6–110
3–5
< 3

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

Climate

Mean T°

13,4°C

Annual rain

301mm

Warmest m°

33,3°C

Coldest m°

-6,2°C

Elevation: 1 585 m on average (min 1 067 m, max 2 775 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
301mm
Warmest month
33,3°C
Coldest month
-6,2°C
Mean alt.
1 585m
Min
1 067m
Max
2 775m
Std. dev.
338m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(89 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

4,4g/kg

Clay

28,7%

Sand

33,0%

Silt

38,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
7,0g/kg
Clay
27,6%
Sand
33,6%
Silt
38,8%
5–15 cm
pH H₂O
7,8
Org. C
2,2g/kg
Clay
28,8%
Sand
32,8%
Silt
38,4%
15–30 cm
pH H₂O
7,8
Org. C
3,9g/kg
Clay
29,7%
Sand
32,5%
Silt
37,8%

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

Land cover

Forest0.2%
Crops28.9%
Built-up0.1%
Bare soil30.5%
Other (grassland, water…)40.2%

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

Hydrology19 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

463,7km

Basins crossed

19

Max stream order

5

Max drainage

38 632km²

Discharge in basins

89,3m³/s

Mean precip.

228mm/an

Mean T°

13,4°C

Moisture idx

-0,83

Max snow

15%

Mean runoff

85mm/an

Mean elev. (basins)

1 548m

Watersheds crossing here

10 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

12,2%

Pesticides

2,0kg/km²

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