Dolok Surungan
IUCN IVWildlife Reserve
215 km²
Commune · IDN
Pintu Pohan Merant
Indonesia
AfTropical, rainforest(100 %)
Species observed
71
Observations
88
Area
201,4km²
Ecological tissue
Sample of 5 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 Pintu Pohan Merant : 4 espèces reliées par 3 interactions GloBI sur 2 types (connectance 30.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
5
Interactions affichées
3
Connectance
0.300
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
71 distinct species · 88 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,2°C
Annual rain
3 375mm
Warmest m°
27,5°C
Coldest m°
18,8°C
Elevation: 612 m on average (min 99 m, max 1 382 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
23,2°C
Annual rain
3 375mm
Warmest month
27,5°C
Coldest month
18,8°C
Mean alt.
612m
Min
99m
Max
1 382m
Std. dev.
309m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,8
Org. C
47,0g/kg
Clay
36,1%
Sand
36,9%
Silt
27,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Toba Samosir
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,8
Org. C
64,1g/kg
Clay
35,4%
Sand
37,3%
Silt
27,4%
5–15 cm
pH H₂O
4,8
Org. C
47,7g/kg
Clay
35,9%
Sand
37,0%
Silt
27,1%
15–30 cm
pH H₂O
4,9
Org. C
29,2g/kg
Clay
36,9%
Sand
36,4%
Silt
26,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest96.0%
Crops0.7%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)3.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
44,6km
Lake surface here
0,15km²
Basins crossed
4
Max stream order
5
Max drainage
4 302km²
Discharge in basins
20,7m³/s
Mean precip.
2 261mm/an
Mean T°
22,8°C
Moisture idx
0,30
Mean runoff
1 200mm/an
Mean elev. (basins)
727m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
12,6%
Pesticides
0,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN