Hyrcanian Forests
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2019
1 452 km²
County · IRN
Lahijan
Iran
CsaTemperate, dry summer, hot summer(61 %)
Species observed
446
Observations
3 027
Area
1 593,5km²
Ecological tissue
Sample of 53 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 Lahijan : 48 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 6 types (connectance 8.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
53
Interactions affichées
112
Connectance
0.081
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
446 distinct species · 3 027 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,3°C
Annual rain
1 167mm
Warmest m°
25,4°C
Coldest m°
-3,1°C
Elevation: 762 m on average (min -32 m, max 2 770 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,3°C
Annual rain
1 167mm
Warmest month
25,4°C
Coldest month
-3,1°C
Mean alt.
762m
Min
-32m
Max
2 770m
Std. dev.
762m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(61 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
32,3g/kg
Clay
34,8%
Sand
26,0%
Silt
39,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: viGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
54,1g/kg
Clay
34,2%
Sand
26,4%
Silt
39,5%
5–15 cm
pH H₂O
6,6
Org. C
22,2g/kg
Clay
34,5%
Sand
26,0%
Silt
39,5%
15–30 cm
pH H₂O
6,6
Org. C
20,6g/kg
Clay
35,7%
Sand
25,6%
Silt
38,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest45.0%
Crops21.1%
Built-up0.6%
Bare soil1.1%
Other (grassland, water…)32.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 3 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
31,4km
Lake surface here
5,60km²
Basins crossed
5
Max stream order
6
Max drainage
58 651km²
Discharge in basins
80,4m³/s
Mean precip.
789mm/an
Mean T°
13,7°C
Moisture idx
-0,31
Max snow
18%
Mean runoff
357mm/an
Mean elev. (basins)
803m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,6nW
Built-up
60,6%
Pesticides
3,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN IV · 1
Amirkelayeh Lake
IUCN IVWetland of International Importance (Ramsar Site) · 1975
11 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN