Ontologia

Subdivision · IDN

Alahan Nan Tigo

Indonesia

AfTropical, rainforest(100 %)

Species observed

33

Observations

63

Area

120,8km²

Ecological tissue

Sample of 14 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 Alahan Nan Tigo : 11 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 2 types (connectance 18.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
17
Connectance
0.187
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

33 distinct species · 63 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

63 obs · 2 cellules
Obs. / cellule
≥ 62
62–61
62–61
62–61
< 62

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

Climate

Mean T°

24,9°C

Annual rain

2 079mm

Warmest m°

28,6°C

Coldest m°

20,4°C

Elevation: 293 m on average (min 181 m, max 417 m)

Bioclimatic detailsExpert
Annual mean temp.
24,9°C
Annual rain
2 079mm
Warmest month
28,6°C
Coldest month
20,4°C
Mean alt.
293m
Min
181m
Max
417m
Std. dev.
38m
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

4,4

Org. C

35,7g/kg

Clay

52,2%

Sand

24,0%

Silt

23,9%

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

Dominant lithology: smGLiMaggregated to Dharmasraya

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,3
Org. C
49,8g/kg
Clay
49,5%
Sand
25,4%
Silt
25,1%
5–15 cm
pH H₂O
4,4
Org. C
32,6g/kg
Clay
51,6%
Sand
24,2%
Silt
24,2%
15–30 cm
pH H₂O
4,5
Org. C
24,7g/kg
Clay
55,4%
Sand
22,3%
Silt
22,3%

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

Land cover

Forest88.8%
Crops0.9%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)10.1%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

27,5km

Basins crossed

2

Max stream order

3

Max drainage

1 481km²

Discharge in basins

6,0m³/s

Mean precip.

2 623mm/an

Mean T°

25,1°C

Moisture idx

0,40

Mean runoff

1 520mm/an

Mean elev. (basins)

349m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

7,4%

Pesticides

0,5kg/km²

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