Ontologia

Subdivision · IDN

Bojakan

Indonesia

AfTropical, rainforest(100 %)

Species observed

31

Observations

44

Area

301,9km²

Ecological tissue

Sample of 7 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 Bojakan : 7 espèces reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
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

31 distinct species · 44 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

44 obs · 7 cellules
Obs. / cellule
≥ 22
22–21
5–21
4–4
< 4

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

Climate

Mean T°

25,9°C

Annual rain

5 184mm

Warmest m°

29,2°C

Coldest m°

23,4°C

Elevation: 85 m on average (min 17 m, max 180 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
5 184mm
Warmest month
29,2°C
Coldest month
23,4°C
Mean alt.
85m
Min
17m
Max
180m
Std. dev.
35m
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

84,9g/kg

Clay

41,4%

Sand

29,7%

Silt

28,9%

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

Dominant lithology: scGLiMaggregated to Kepulauan Mentawai

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
86,5g/kg
Clay
39,6%
Sand
30,6%
Silt
29,7%
5–15 cm
pH H₂O
4,8
Org. C
66,6g/kg
Clay
41,1%
Sand
29,8%
Silt
29,1%
15–30 cm
pH H₂O
4,8
Org. C
101,7g/kg
Clay
43,5%
Sand
28,7%
Silt
27,9%

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

Land cover

Forest99.9%
Crops0.0%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)0.1%

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

Hydrology5 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

5

Max drainage

803km²

Discharge in basins

28,5m³/s

Mean precip.

3 494mm/an

Mean T°

26,5°C

Moisture idx

0,53

Mean runoff

2 621mm/an

Mean elev. (basins)

98m

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

Human pressure

Pop. density

0hab/km²

Built-up

0,6%

Pesticides

0,7kg/km²

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

Protected areas1

IUCN II · 1🌊 Marine · 1

Siberut

IUCN II

National Park

1 775 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN