Nemrut Caldera
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2013
48 km²
District · TUR
Tatvan
Turkey
DsaCold, dry summer, hot summer(64 %)
Species observed
601
Observations
4 548
Area
2 279,1km²
Ecological tissue
Sample of 33 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 Tatvan : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 5 types (connectance 11.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
62
Connectance
0.117
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
601 distinct species · 4 548 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,0°C
Annual rain
876mm
Warmest m°
25,8°C
Coldest m°
-5,9°C
Elevation: 1 854 m on average (min 1 425 m, max 2 791 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,0°C
Annual rain
876mm
Warmest month
25,8°C
Coldest month
-5,9°C
Mean alt.
1 854m
Min
1 425m
Max
2 791m
Std. dev.
278m
Köppen-Geiger (dominant)
DsaCold, dry summer, hot summer(64 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
49,7g/kg
Clay
21,0%
Sand
40,5%
Silt
38,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
71,7g/kg
Clay
20,0%
Sand
41,0%
Silt
38,9%
5–15 cm
pH H₂O
6,8
Org. C
41,9g/kg
Clay
20,5%
Sand
40,7%
Silt
38,7%
15–30 cm
pH H₂O
6,9
Org. C
35,6g/kg
Clay
22,6%
Sand
39,6%
Silt
37,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.5%
Crops7.2%
Built-up0.1%
Bare soil2.6%
Other (grassland, water…)85.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 3 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
83,5km
Lake surface here
1 077,23km²
Basins crossed
6
Max stream order
4
Max drainage
3 632km²
Discharge in basins
20,7m³/s
Mean precip.
699mm/an
Mean T°
8,5°C
Moisture idx
-0,26
Max snow
39%
Mean runoff
297mm/an
Mean elev. (basins)
1 850m
Watersheds crossing here
- Bassin de Yeniköprü Çayısub-area3 125,1 km²overlap1655.67 km²73%
- Bassin de Büyük Çaysub-area1 854,1 km²overlap429.79 km²19%
- Bassin de Kezer Çayısub-area2 475,9 km²overlap82.98 km²4%
- Bassin de Karasu Irmağısub-area2 236,2 km²overlap45.93 km²2%
- Basin #02770sub-area54,7 km²overlap42.59 km²2%
- Bassin de Güzelsu Çayısub-area3 631,9 km²overlap22.16 km²1%
Lakes (3, top by area)
Rivers / streams (7, ord ≥ 4)
- Keşan Deresiord 4len here21.67 km100%total22 km
- Oranis Deresiord 2len here16.63 km100%total17 km
- Darabi Deresiord 3len here16.60 km100%total17 km
- Güzel Dereord 2len here12.29 km99%total12 km
- Büyükdere Çayıord 4len here10.06 km43%total24 km
- Ahkis Deresiord 2len here5.51 km18%total30 km
- Yeniköprü Çayıord 4len here0.71 km3%total21 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,8nW
Built-up
6,5%
Pesticides
18,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN