Ontologia

Province · irn

Razavi Khorasan

Iran

BSkArid, steppe, cold(53 %)

Species observed

2 020

Observations

62 869

Area

137 189,8km²

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 Razavi Khorasan : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 17.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
65
Connectance
0.172
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

2 020 distinct species · 62 869 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

62 869 obs · 67 cellules
Obs. / cellule
≥ 14 042
2 220–14 041
309–2 219
131–308
< 131

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

15,0°C

Annual rain

254mm

Warmest m°

33,3°C

Coldest m°

-3,6°C

Elevation: 1 238 m on average (min 237 m, max 3 106 m)

Bioclimatic detailsExpert
Annual mean temp.
15,0°C
Annual rain
254mm
Warmest month
33,3°C
Coldest month
-3,6°C
Mean alt.
1 238m
Min
237m
Max
3 106m
Std. dev.
418m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(53 %)Arid

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

Soil & lithology

pH H₂O

7,9

Org. C

3,9g/kg

Clay

22,0%

Sand

43,1%

Silt

34,9%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
7,0g/kg
Clay
21,3%
Sand
43,5%
Silt
35,2%
5–15 cm
pH H₂O
8,0
Org. C
2,0g/kg
Clay
21,8%
Sand
43,1%
Silt
35,1%
15–30 cm
pH H₂O
8,0
Org. C
2,8g/kg
Clay
23,0%
Sand
42,6%
Silt
34,4%

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

Land cover

Forest0.3%
Crops13.4%
Built-up0.2%
Bare soil61.7%
Other (grassland, water…)24.4%

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

Hydrology215 basins · 12 lakes · 60 rivers

Hydrology metrics for this exact territory

Stream length here

12 377,2km

Lake surface here

8,59km²

Basins crossed

215

Max stream order

6

Max drainage

93 374km²

Discharge in basins

1 786,4m³/s

Mean precip.

207mm/an

Mean T°

14,5°C

Moisture idx

-0,85

Max snow

12%

Mean runoff

42mm/an

Mean elev. (basins)

1 209m

Watersheds crossing here

206 more basins

Lakes (12, top by area)

3 more lakes

Rivers / streams (60, ord ≥ 4)

48 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

16,6%

Pesticides

1,8kg/km²

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

Protected areas14

IUCN IV · 6IUCN V · 4IUCN Ia · 2IUCN Not Applicable · 1IUCN II · 1

Touran

IUCN V

Protected Area · 1976

14 932 km²

Touran

IUCN IV

Wildlife Refuge · 1976

2 764 km²

Touran

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1976

2 728 km²

Badkhyz

IUCN Ia

State Nature Reserve · 1941

869 km²

Meana-Chaacha

IUCN IV

Nature Sanctuary or Partial Reserve · 1976

840 km²

Miandasht

IUCN IV

Wildlife Refuge · 1975

802 km²

Complete list

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

Sub-administrations18