Ontologia

Province · irn

Mazandaran

Iran

CsaTemperate, dry summer, hot summer(44 %)

Species observed

3 277

Observations

55 051

Area

24 417,9km²

Ecological tissue

Sample of 31 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 Mazandaran : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
66
Connectance
0.133
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

3 277 distinct species · 55 051 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

55 051 obs · 546 cellules
Obs. / cellule
≥ 1 767
203–1 766
50–202
22–49
< 22

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

Climate

Mean T°

10,4°C

Annual rain

946mm

Warmest m°

24,3°C

Coldest m°

-5,2°C

Elevation: 1 366 m on average (min -43 m, max 5 152 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
946mm
Warmest month
24,3°C
Coldest month
-5,2°C
Mean alt.
1 366m
Min
-43m
Max
5 152m
Std. dev.
1 113m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(44 %)Temperate

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

Soil & lithology

pH H₂O

7,2

Org. C

24,5g/kg

Clay

31,9%

Sand

25,4%

Silt

42,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
43,3g/kg
Clay
30,3%
Sand
26,2%
Silt
43,5%
5–15 cm
pH H₂O
7,2
Org. C
15,9g/kg
Clay
31,7%
Sand
25,4%
Silt
42,9%
15–30 cm
pH H₂O
7,2
Org. C
14,2g/kg
Clay
33,8%
Sand
24,5%
Silt
41,7%

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

Land cover

Forest37.6%
Crops11.3%
Built-up0.8%
Bare soil7.7%
Other (grassland, water…)42.6%

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

Hydrology45 basins · 37 lakes · 90 rivers

Hydrology metrics for this exact territory

Stream length here

2 408,9km

Lake surface here

273,48km²

Basins crossed

45

Max stream order

4

Max drainage

4 264km²

Discharge in basins

208,1m³/s

Mean precip.

414mm/an

Mean T°

12,4°C

Moisture idx

-0,64

Max snow

48%

Mean runoff

213mm/an

Mean elev. (basins)

1 401m

Watersheds crossing here

36 more basins

Lakes (37, top by area)

28 more lakes

Rivers / streams (90, ord ≥ 4)

78 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

1,8nW

Built-up

81,8%

Pesticides

3,7kg/km²

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

Protected areas6

IUCN Not Applicable · 2IUCN IV · 2IUCN II · 1IUCN Not Reported · 1🌊 Marine · 2📍 Point sites · 2

Hyrcanian Forests

IUCN Not Applicable

World Heritage Site (natural or mixed) · 2019

1 452 km²

Miankaleh

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1976

709 km²

Lar

IUCN II

National Park · 2001

312 km²

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

Sub-administrations12