Ontologia

Subdivision · IDN

Simbolon Purba

Indonesia

AfTropical, rainforest(100 %)

Species observed

233

Observations

332

Area

16,9km²

Ecological tissue

Sample of 21 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 Simbolon Purba : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
17
Connectance
0.081
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

233 distinct species · 332 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

332 obs · 2 cellules
Obs. / cellule
≥ 330
330–329
330–329
330–329
< 330

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

Climate

Mean T°

20,8°C

Annual rain

2 308mm

Warmest m°

24,2°C

Coldest m°

17,0°C

Elevation: 1 280 m on average (min 911 m, max 1 582 m)

Bioclimatic detailsExpert
Annual mean temp.
20,8°C
Annual rain
2 308mm
Warmest month
24,2°C
Coldest month
17,0°C
Mean alt.
1 280m
Min
911m
Max
1 582m
Std. dev.
240m
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

5,2

Org. C

58,2g/kg

Clay

36,4%

Sand

35,2%

Silt

28,5%

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

Dominant lithology: viGLiMaggregated to Samosir

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
76,3g/kg
Clay
37,1%
Sand
34,4%
Silt
28,4%
5–15 cm
pH H₂O
5,2
Org. C
65,0g/kg
Clay
36,2%
Sand
35,1%
Silt
28,7%
15–30 cm
pH H₂O
5,3
Org. C
33,3g/kg
Clay
35,8%
Sand
35,9%
Silt
28,3%

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

Land cover

Forest46.5%
Crops20.3%
Built-up0.7%
Bare soil0.3%
Other (grassland, water…)32.2%

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

Hydrology1 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,02km²

Basins crossed

1

Max drainage

1 416km²

Discharge in basins

0,7m³/s

Mean precip.

2 162mm/an

Mean T°

19,8°C

Moisture idx

0,32

Mean runoff

1 213mm/an

Mean elev. (basins)

1 285m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Built-up

74,2%

Pesticides

0,6kg/km²

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