Ontologia

Regency · IDN

Biak Numfor

Indonesia

AfTropical, rainforest(100 %)

Species observed

879

Observations

14 618

Area

2 252,3km²

Ecological tissue

Sample of 27 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 Biak Numfor : 24 espèces reliées par 19 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
19
Connectance
0.054
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

879 distinct species · 14 618 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 618 obs · 36 cellules
Obs. / cellule
≥ 2 444
1 738–2 443
315–1 737
72–314
< 72

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

Climate

Mean T°

26,4°C

Annual rain

3 015mm

Warmest m°

28,2°C

Coldest m°

24,5°C

Elevation: 99 m on average (min -296 m, max 514 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
3 015mm
Warmest month
28,2°C
Coldest month
24,5°C
Mean alt.
99m
Min
-296m
Max
514m
Std. dev.
78m
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

5,0

Org. C

90,2g/kg

Clay

40,6%

Sand

29,0%

Silt

30,4%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
97,7g/kg
Clay
38,9%
Sand
30,2%
Silt
30,9%
5–15 cm
pH H₂O
5,0
Org. C
69,4g/kg
Clay
39,8%
Sand
29,4%
Silt
30,8%
15–30 cm
pH H₂O
5,0
Org. C
103,4g/kg
Clay
43,1%
Sand
27,4%
Silt
29,5%

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

Land cover

Forest93.6%
Crops0.1%
Built-up0.2%
Bare soil0.0%
Other (grassland, water…)6.0%

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

Hydrology3 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,12km²

Basins crossed

3

Max drainage

2 667km²

Discharge in basins

33,8m³/s

Mean precip.

2 579mm/an

Mean T°

26,3°C

Moisture idx

0,42

Mean runoff

1 536mm/an

Mean elev. (basins)

130m

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

Night light

0,2nW

Built-up

19,8%

Pesticides

0,6kg/km²

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

Protected areas3

IUCN VI · 2IUCN Ia · 1🌊 Marine · 2

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

Sub-administrations43