Ontologia

County · IRN

Zarand

Iran

BWhArid, desert, hot(64 %)

Species observed

96

Observations

540

Area

7 824,8km²

Ecological tissue

Sample of 31 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 Zarand : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
36
Connectance
0.077
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

96 distinct species · 540 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

540 obs · 46 cellules
Obs. / cellule
≥ 343
17–342
4–16
2–3
< 2

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

Climate

Mean T°

17,7°C

Annual rain

157mm

Warmest m°

35,2°C

Coldest m°

-1,2°C

Elevation: 1 735 m on average (min 1 305 m, max 3 173 m)

Bioclimatic detailsExpert
Annual mean temp.
17,7°C
Annual rain
157mm
Warmest month
35,2°C
Coldest month
-1,2°C
Mean alt.
1 735m
Min
1 305m
Max
3 173m
Std. dev.
354m
Köppen-Geiger (dominant)
BWhArid, desert, hot(64 %)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

2,0g/kg

Clay

23,1%

Sand

50,0%

Silt

26,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
2,6g/kg
Clay
21,9%
Sand
50,8%
Silt
27,3%
5–15 cm
pH H₂O
7,8
Org. C
1,2g/kg
Clay
23,4%
Sand
49,8%
Silt
26,8%
15–30 cm
pH H₂O
7,8
Org. C
2,2g/kg
Clay
24,0%
Sand
49,5%
Silt
26,6%

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

Land cover

Forest0.6%
Crops5.1%
Built-up0.3%
Bare soil85.3%
Other (grassland, water…)8.7%

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

Hydrology16 basins · 2 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

1 184,8km

Lake surface here

0,49km²

Basins crossed

16

Max stream order

5

Max drainage

21 792km²

Discharge in basins

65,4m³/s

Mean precip.

139mm/an

Mean T°

15,7°C

Moisture idx

-0,91

Max snow

1%

Mean runoff

67mm/an

Mean elev. (basins)

1 853m

Watersheds crossing here

7 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

29,2%

Pesticides

1,7kg/km²

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

Protected areas1

IUCN V · 1

Bidoyeh

IUCN V

Protected Area · 1996

1 720 km²

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