Ontologia

Subdivision · IDN

Olak Alen

Indonesia

AmTropical, monsoon(100 %)

Species observed

39

Observations

120

Area

3,7km²

Ecological tissue

Sample of 11 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 Olak Alen : 11 espèces reliées par 8 interactions GloBI sur 3 types (connectance 14.5%, filtre Serrano α=0.2).

Espèces affichées
11
Interactions affichées
8
Connectance
0.145
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

39 distinct species · 120 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

120 obs · 1 cellules
Obs. / cellule
≥ 120
120–119
120–119
120–119
< 120

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

Climate

Mean T°

24,6°C

Annual rain

2 729mm

Warmest m°

29,1°C

Coldest m°

19,0°C

Elevation: 303 m on average (min 273 m, max 348 m)

Bioclimatic detailsExpert
Annual mean temp.
24,6°C
Annual rain
2 729mm
Warmest month
29,1°C
Coldest month
19,0°C
Mean alt.
303m
Min
273m
Max
348m
Std. dev.
26m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

43,6g/kg

Clay

33,4%

Sand

33,2%

Silt

33,4%

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

Dominant lithology: viGLiMaggregated to Blitar

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
49,4g/kg
Clay
33,7%
Sand
32,8%
Silt
33,4%
5–15 cm
pH H₂O
5,5
Org. C
44,4g/kg
Clay
33,8%
Sand
33,0%
Silt
33,1%
15–30 cm
pH H₂O
5,5
Org. C
36,9g/kg
Clay
32,6%
Sand
33,7%
Silt
33,7%

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

Land cover

Forest51.5%
Crops14.6%
Built-up3.5%
Bare soil0.0%
Other (grassland, water…)30.4%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Basins crossed

1

Max stream order

2

Max drainage

3 548km²

Discharge in basins

0,3m³/s

Mean precip.

2 384mm/an

Mean T°

23,2°C

Moisture idx

0,30

Mean runoff

1 415mm/an

Mean elev. (basins)

421m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

1,9nW

Built-up

354,0%

Pesticides

0,6kg/km²

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