Ontologia

County · IRN

Bojnurd

Iran

BSkArid, steppe, cold(81 %)

Species observed

147

Observations

437

Area

2 196,7km²

Ecological tissue

Sample of 39 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 Bojnurd : 26 espèces reliées par 75 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
75
Connectance
0.101
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

147 distinct species · 437 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

437 obs · 25 cellules
Obs. / cellule
≥ 112
38–111
22–37
6–21
< 6

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

Climate

Mean T°

10,8°C

Annual rain

326mm

Warmest m°

28,9°C

Coldest m°

-8,1°C

Elevation: 1 387 m on average (min 1 022 m, max 2 386 m)

Bioclimatic detailsExpert
Annual mean temp.
10,8°C
Annual rain
326mm
Warmest month
28,9°C
Coldest month
-8,1°C
Mean alt.
1 387m
Min
1 022m
Max
2 386m
Std. dev.
249m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(81 %)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

11,5g/kg

Clay

26,0%

Sand

26,5%

Silt

47,6%

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
18,5g/kg
Clay
25,0%
Sand
27,1%
Silt
47,9%
5–15 cm
pH H₂O
7,8
Org. C
8,4g/kg
Clay
25,8%
Sand
26,5%
Silt
47,7%
15–30 cm
pH H₂O
7,9
Org. C
7,7g/kg
Clay
27,0%
Sand
25,9%
Silt
47,1%

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

Land cover

Forest0.3%
Crops31.8%
Built-up0.2%
Bare soil25.8%
Other (grassland, water…)41.8%

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

Hydrology8 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

190,7km

Basins crossed

8

Max stream order

4

Max drainage

7 236km²

Discharge in basins

29,6m³/s

Mean precip.

290mm/an

Mean T°

10,5°C

Moisture idx

-0,76

Max snow

12%

Mean runoff

85mm/an

Mean elev. (basins)

1 531m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,8nW

Built-up

23,7%

Pesticides

3,2kg/km²

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