Ontologia

City · IDN

Pekanbaru

Indonesia

AfTropical, rainforest(100 %)

Species observed

477

Observations

3 164

Area

625,6km²

Ecological tissue

Sample of 29 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 Pekanbaru : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
22
Connectance
0.054
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

477 distinct species · 3 164 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 164 obs · 15 cellules
Obs. / cellule
≥ 1 774
739–1 773
77–738
60–76
< 60

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

Climate

Mean T°

26,5°C

Annual rain

2 846mm

Warmest m°

30,5°C

Coldest m°

22,3°C

Elevation: 21 m on average (min 3 m, max 55 m)

Bioclimatic detailsExpert
Annual mean temp.
26,5°C
Annual rain
2 846mm
Warmest month
30,5°C
Coldest month
22,3°C
Mean alt.
21m
Min
3m
Max
55m
Std. dev.
13m
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

146,0g/kg

Clay

38,4%

Sand

34,8%

Silt

26,9%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
134,2g/kg
Clay
37,9%
Sand
35,0%
Silt
27,1%
5–15 cm
pH H₂O
4,8
Org. C
155,9g/kg
Clay
38,3%
Sand
34,9%
Silt
26,8%
15–30 cm
pH H₂O
4,9
Org. C
147,8g/kg
Clay
38,9%
Sand
34,3%
Silt
26,8%

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

Land cover

Forest45.8%
Crops5.0%
Built-up6.3%
Bare soil0.8%
Other (grassland, water…)42.2%

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

Hydrology2 basins · 1 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

184,7km

Lake surface here

1,05km²

Basins crossed

2

Max stream order

5

Max drainage

6 290km²

Discharge in basins

92,5m³/s

Mean precip.

2 656mm/an

Mean T°

26,9°C

Moisture idx

0,35

Mean runoff

1 188mm/an

Mean elev. (basins)

31m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

15hab/km²

Night light

6,1nW

Built-up

624,9%

Pesticides

0,6kg/km²

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

Protected areas1

IUCN VI · 1

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

Sub-administrations11