Dolok Sipirok
IUCN IaNature Reserve
72 km²
Commune · IDN
Simangumban
Indonesia
AfTropical, rainforest(100 %)
Species observed
174
Observations
306
Area
160,5km²
Ecological tissue
Sample of 9 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 Simangumban : 7 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
9
Interactions affichées
9
Connectance
0.250
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
174 distinct species · 306 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,1°C
Annual rain
3 748mm
Warmest m°
26,7°C
Coldest m°
17,7°C
Elevation: 791 m on average (min 447 m, max 1 206 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,1°C
Annual rain
3 748mm
Warmest month
26,7°C
Coldest month
17,7°C
Mean alt.
791m
Min
447m
Max
1 206m
Std. dev.
156m
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
4,9
Org. C
41,5g/kg
Clay
39,1%
Sand
33,7%
Silt
27,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: viGLiMaggregated to Tapanuli Utara
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,8
Org. C
56,6g/kg
Clay
37,8%
Sand
34,4%
Silt
27,8%
5–15 cm
pH H₂O
4,9
Org. C
45,5g/kg
Clay
38,2%
Sand
34,2%
Silt
27,5%
15–30 cm
pH H₂O
4,9
Org. C
22,3g/kg
Clay
41,2%
Sand
32,3%
Silt
26,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest94.1%
Crops2.1%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)3.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
29,8km
Basins crossed
1
Max stream order
5
Max drainage
3 407km²
Discharge in basins
8,3m³/s
Mean precip.
2 541mm/an
Mean T°
21,8°C
Moisture idx
0,37
Mean runoff
1 539mm/an
Mean elev. (basins)
899m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
6,3%
Pesticides
0,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ia · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN