Ontologia

County · IRN

Gorgan

Iran

BShArid, steppe, hot(49 %)

Species observed

863

Observations

4 793

Area

2 540,6km²

Ecological tissue

Sample of 24 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 Gorgan : 17 espèces reliées par 56 interactions GloBI sur 4 types (connectance 18.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
56
Connectance
0.187
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

863 distinct species · 4 793 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 793 obs · 52 cellules
Obs. / cellule
≥ 692
272–691
85–271
28–84
< 28

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

Climate

Mean T°

13,7°C

Annual rain

534mm

Warmest m°

28,1°C

Coldest m°

-1,4°C

Elevation: 857 m on average (min -25 m, max 3 552 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
534mm
Warmest month
28,1°C
Coldest month
-1,4°C
Mean alt.
857m
Min
-25m
Max
3 552m
Std. dev.
1 078m
Köppen-Geiger (dominant)
BShArid, steppe, hot(49 %)Arid

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

Soil & lithology

pH H₂O

7,5

Org. C

19,3g/kg

Clay

27,6%

Sand

19,5%

Silt

52,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
31,9g/kg
Clay
26,6%
Sand
20,0%
Silt
53,4%
5–15 cm
pH H₂O
7,5
Org. C
13,6g/kg
Clay
27,7%
Sand
19,5%
Silt
52,7%
15–30 cm
pH H₂O
7,5
Org. C
12,3g/kg
Clay
28,6%
Sand
18,9%
Silt
52,5%

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

Land cover

Forest17.2%
Crops46.2%
Built-up0.9%
Bare soil6.6%
Other (grassland, water…)29.1%

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

Hydrology10 basins · 4 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

244,1km

Lake surface here

1,70km²

Basins crossed

10

Max stream order

5

Max drainage

11 589km²

Discharge in basins

16,1m³/s

Mean precip.

353mm/an

Mean T°

15,1°C

Moisture idx

-0,71

Max snow

17%

Mean runoff

52mm/an

Mean elev. (basins)

805m

Watersheds crossing here

1 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,9nW

Built-up

93,1%

Pesticides

4,1kg/km²

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

Protected areas1

IUCN Not Applicable · 1

Hyrcanian Forests

IUCN Not Applicable

World Heritage Site (natural or mixed) · 2019

1 452 km²

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