Ontologia

Commune · TZA

Lake Victoria

Tanzania

AwTropical, savannah(69 %)

Species observed

498

Observations

4 694

Area

9 478,9km²

Ecological tissue

Sample of 39 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 Lake Victoria : 34 espèces reliées par 41 interactions GloBI sur 4 types (connectance 5.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
41
Connectance
0.055
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

498 distinct species · 4 694 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 694 obs · 46 cellules
Obs. / cellule
≥ 3 133
56–3 132
14–55
6–13
< 6

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

Climate

Mean T°

23,4°C

Annual rain

1 359mm

Warmest m°

25,7°C

Coldest m°

20,8°C

Elevation: 1 133 m on average (min 1 133 m, max 1 308 m)

Bioclimatic detailsExpert
Annual mean temp.
23,4°C
Annual rain
1 359mm
Warmest month
25,7°C
Coldest month
20,8°C
Mean alt.
1 133m
Min
1 133m
Max
1 308m
Std. dev.
2m
Köppen-Geiger (dominant)
AwTropical, savannah(69 %)Tropical

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

Soil & lithology

pH H₂O

6,3

Org. C

22,2g/kg

Clay

37,2%

Sand

42,3%

Silt

20,5%

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

Dominant lithology: mtGLiMaggregated to Lake Victoria

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
30,2g/kg
Clay
36,7%
Sand
42,8%
Silt
20,5%
5–15 cm
pH H₂O
6,3
Org. C
20,7g/kg
Clay
36,4%
Sand
42,8%
Silt
20,8%
15–30 cm
pH H₂O
6,3
Org. C
15,8g/kg
Clay
38,5%
Sand
41,2%
Silt
20,3%

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

Land cover

Forest0.1%
Crops0.1%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)99.8%

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

Hydrology33 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

11,3km

Lake surface here

9 442,05km²

Basins crossed

33

Max stream order

3

Max drainage

85 724km²

Discharge in basins

619,5m³/s

Mean precip.

1 266mm/an

Mean T°

22,5°C

Moisture idx

-0,21

Mean runoff

169mm/an

Mean elev. (basins)

1 145m

Watersheds crossing here

24 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,6%

Pesticides

0,0kg/km²

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