Ontologia

NA · IDN

Bulungan

Indonesia

AfTropical, rainforest(99 %)

Species observed

666

Observations

1 157

Area

13 069,9km²

Ecological tissue

Sample of 24 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 Bulungan : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
17
Connectance
0.062
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

666 distinct species · 1 157 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 157 obs · 49 cellules
Obs. / cellule
≥ 300
51–299
8–50
2–7
< 2

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

Climate

Mean T°

25,3°C

Annual rain

3 455mm

Warmest m°

29,4°C

Coldest m°

21,8°C

Elevation: 223 m on average (min -31 m, max 1 806 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
3 455mm
Warmest month
29,4°C
Coldest month
21,8°C
Mean alt.
223m
Min
-31m
Max
1 806m
Std. dev.
308m
Köppen-Geiger (dominant)
AfTropical, rainforest(99 %)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

101,1g/kg

Clay

38,1%

Sand

30,7%

Silt

31,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
117,8g/kg
Clay
36,8%
Sand
31,6%
Silt
31,6%
5–15 cm
pH H₂O
4,9
Org. C
74,8g/kg
Clay
37,5%
Sand
31,0%
Silt
31,5%
15–30 cm
pH H₂O
4,9
Org. C
110,9g/kg
Clay
40,1%
Sand
29,6%
Silt
30,3%

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

Land cover

Forest86.6%
Crops1.0%
Built-up0.1%
Bare soil0.5%
Other (grassland, water…)12.0%

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

Hydrology42 basins · 50 lakes · 16 rivers

Hydrology metrics for this exact territory

Stream length here

942,9km

Lake surface here

19,41km²

Basins crossed

42

Max stream order

7

Max drainage

29 917km²

Discharge in basins

9 647,3m³/s

Mean precip.

2 951mm/an

Mean T°

25,6°C

Moisture idx

0,50

Mean runoff

1 421mm/an

Mean elev. (basins)

249m

Watersheds crossing here

33 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (16, ord ≥ 4)

4 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

5,6%

Pesticides

0,5kg/km²

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

Sub-administrations10