Ontologia

County · IRN

Lanjan

Iran

BSkArid, steppe, cold(79 %)

Species observed

84

Observations

207

Area

1 320,8km²

Ecological tissue

Sample of 29 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 Lanjan : 26 espèces reliées par 34 interactions GloBI sur 5 types (connectance 8.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
34
Connectance
0.084
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

84 distinct species · 207 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

207 obs · 18 cellules
Obs. / cellule
≥ 54
31–53
15–30
5–14
< 5

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

Climate

Mean T°

13,1°C

Annual rain

313mm

Warmest m°

33,3°C

Coldest m°

-9,4°C

Elevation: 1 971 m on average (min 1 650 m, max 2 786 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
313mm
Warmest month
33,3°C
Coldest month
-9,4°C
Mean alt.
1 971m
Min
1 650m
Max
2 786m
Std. dev.
225m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(79 %)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

3,4g/kg

Clay

31,2%

Sand

26,5%

Silt

42,3%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
4,8g/kg
Clay
29,6%
Sand
27,5%
Silt
43,0%
5–15 cm
pH H₂O
7,9
Org. C
1,7g/kg
Clay
31,1%
Sand
26,3%
Silt
42,6%
15–30 cm
pH H₂O
7,9
Org. C
3,7g/kg
Clay
32,9%
Sand
25,7%
Silt
41,4%

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

Land cover

Forest0.6%
Crops7.6%
Built-up1.0%
Bare soil68.3%
Other (grassland, water…)22.6%

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

Hydrology4 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

186,3km

Lake surface here

0,51km²

Basins crossed

4

Max stream order

5

Max drainage

6 628km²

Discharge in basins

11,2m³/s

Mean precip.

217mm/an

Mean T°

12,1°C

Moisture idx

-0,85

Max snow

10%

Mean runoff

134mm/an

Mean elev. (basins)

2 110m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

3,6nW

Built-up

95,6%

Pesticides

2,8kg/km²

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