County · IRN
Zanjan
Iran
Species observed
252
Observations
831
Area
5 026,2km²
Ecological tissue
Sample of 37 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).
Indicateurs du tissu écologique
Tissu écologique de Zanjan : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 5 types (connectance 13.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
252 distinct species · 831 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,0°C
Annual rain
361mm
Warmest m°
28,3°C
Coldest m°
-10,2°C
Elevation: 1 800 m on average (min 687 m, max 2 769 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,6
Org. C
11,3g/kg
Clay
28,9%
Sand
32,7%
Silt
38,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology20 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
494,9km
Basins crossed
20
Max stream order
6
Max drainage
48 931km²
Discharge in basins
275,5m³/s
Mean precip.
390mm/an
Mean T°
10,8°C
Moisture idx
-0,68
Max snow
17%
Mean runoff
123mm/an
Mean elev. (basins)
1 742m
Watersheds crossing here
- Bassin de زنجان چایsub-area1 005,6 km²overlap959.24 km²19%
- Bassin de زنجان چایsub-area1 909,9 km²overlap943.02 km²19%
- Bassin de زنجان چایsub-area699,3 km²overlap514.74 km²10%
- Bassin de سجاس رودsub-area2 437,1 km²overlap244.17 km²5%
- Bassin de رودخانه سارمساقلوsub-area219,8 km²overlap219.92 km²4%
- Bassin de زنجان چایsub-area208,7 km²overlap208.73 km²4%
- Basin #07440sub-area201 km²overlap201.12 km²4%
- Bassin de سفیدرود - قزل اوزنsub-area952,6 km²overlap197.22 km²4%
- Bassin de رودخانه سفیدرود -- قزل اوزنsub-area2 573,2 km²overlap181.31 km²4%
11 more basinssorted by overlap
- Bassin de زنجان چایsub-area250,2 km²overlap173.73 km²3%
- Bassin de رودخانه سفیدرود -- قزل اوزنsub-area1 434,2 km²overlap169.74 km²3%
- Bassin de سفیدرود - قزل اوزنsub-area431,6 km²overlap169.37 km²3%
- Bassin de سفیدرود - قزل اوزنsub-area194,7 km²overlap155.23 km²3%
- Bassin de سفیدرود - قزل اوزنsub-area651,5 km²overlap128.33 km²3%
- Bassin de سفیدرود - قزل اوزنsub-area1 264,4 km²overlap122.28 km²2%
- Bassin de سفیدرود - قزل اوزنsub-area217,8 km²overlap109.53 km²2%
- Bassin de زنجان چایsub-area108,9 km²overlap108.96 km²2%
- Bassin de قزل اوزنsub-area1 552,1 km²overlap101.41 km²2%
- Bassin de زنجان چایsub-area101,3 km²overlap100.72 km²2%
- Bassin de سفیدرود - قزل اوزنsub-area304,1 km²overlap17.41 km²0%
Rivers / streams (6, ord ≥ 4)
- زنجان چایord 6len here380.15 km94%total404 km
- سفیدرود - قزل اوزنord 6len here48.97 km10%total476 km
- رودخانه سفیدرود -- قزل اوزنord 6len here22.90 km10%total222 km
- رودخانه سارمساقلوord 3len here21.33 km100%total21 km
- رود حسن ابدالord 1len here16.05 km100%total16 km
- رودخانه سفیدرود -- قزل اوزنord 6len here5.54 km3%total160 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,2nW
Built-up
28,9%
Pesticides
3,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)