Ontologia

Commune · IDN

Angkola Barat

Indonesia

AfTropical, rainforest(100 %)

Species observed

11

Observations

13

Area

262,8km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 2 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 Angkola Barat : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

11 distinct species · 13 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 obs · 4 cellules
Obs. / cellule
≥ 5
5–4
5–4
5–4
< 5

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

Climate

Mean T°

24,3°C

Annual rain

4 285mm

Warmest m°

28,6°C

Coldest m°

20,1°C

Elevation: 334 m on average (min 10 m, max 1 578 m)

Bioclimatic detailsExpert
Annual mean temp.
24,3°C
Annual rain
4 285mm
Warmest month
28,6°C
Coldest month
20,1°C
Mean alt.
334m
Min
10m
Max
1 578m
Std. dev.
291m
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

69,4g/kg

Clay

39,8%

Sand

32,1%

Silt

28,1%

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

Dominant lithology: smGLiMaggregated to Tapanuli Selatan

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
80,0g/kg
Clay
38,7%
Sand
33,0%
Silt
28,4%
5–15 cm
pH H₂O
4,8
Org. C
59,9g/kg
Clay
39,4%
Sand
32,2%
Silt
28,4%
15–30 cm
pH H₂O
4,9
Org. C
68,3g/kg
Clay
41,3%
Sand
31,1%
Silt
27,6%

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

Land cover

Forest85.6%
Crops1.4%
Built-up0.2%
Bare soil0.0%
Other (grassland, water…)12.8%

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

Hydrology4 basins · 2 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

21,1km

Lake surface here

3,95km²

Basins crossed

4

Max stream order

3

Max drainage

3 407km²

Discharge in basins

7,6m³/s

Mean precip.

3 082mm/an

Mean T°

24,2°C

Moisture idx

0,45

Mean runoff

1 653mm/an

Mean elev. (basins)

455m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

18,0%

Pesticides

0,7kg/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

Sub-administrations20