Ontologia

Commune · TZA

Ilonga

Tanzania

AwTropical, savannah(99 %)

Species observed

39

Observations

507

Area

3 832,6km²

Ecological tissue

Sample of 13 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 Ilonga : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
9
Connectance
0.115
Patrimoniales
1
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 · 507 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

507 obs · 19 cellules
Obs. / cellule
≥ 460
12–459
4–11
1–3
< 1

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

Climate

Mean T°

23,3°C

Annual rain

1 301mm

Warmest m°

31,0°C

Coldest m°

15,0°C

Elevation: 603 m on average (min 345 m, max 1 380 m)

Bioclimatic detailsExpert
Annual mean temp.
23,3°C
Annual rain
1 301mm
Warmest month
31,0°C
Coldest month
15,0°C
Mean alt.
603m
Min
345m
Max
1 380m
Std. dev.
145m
Köppen-Geiger (dominant)
AwTropical, savannah(99 %)Tropical

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

Soil & lithology

pH H₂O

5,4

Org. C

15,8g/kg

Clay

27,0%

Sand

61,0%

Silt

12,0%

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

Dominant lithology: suGLiMaggregated to Ulanga

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
24,0g/kg
Clay
25,8%
Sand
62,1%
Silt
12,1%
5–15 cm
pH H₂O
5,4
Org. C
14,8g/kg
Clay
26,2%
Sand
61,6%
Silt
12,2%
15–30 cm
pH H₂O
5,4
Org. C
8,6g/kg
Clay
28,9%
Sand
59,2%
Silt
11,8%

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

Land cover

Forest61.6%
Crops3.9%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)34.4%

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

Hydrology12 basins · 3 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

236,3km

Lake surface here

0,79km²

Basins crossed

12

Max stream order

5

Max drainage

13 447km²

Discharge in basins

273,2m³/s

Mean precip.

1 330mm/an

Mean T°

23,5°C

Moisture idx

-0,11

Mean runoff

540mm/an

Mean elev. (basins)

619m

Watersheds crossing here

3 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

0,7%

Pesticides

0,0kg/km²

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

Protected areas5

IUCN IV · 2IUCN Not Reported · 2IUCN Not Applicable · 1

Selous Game Reserve

IUCN Not Applicable

World Heritage Site (natural or mixed) · 1982

47 215 km²

Selous G.R

IUCN IV

Game Reserve · 1905

41 309 km²

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