Ontologia

Commune · TZA

Vigwaza

Tanzania

AwTropical, savannah(100 %)

Species observed

140

Observations

471

Area

424,1km²

Ecological tissue

Sample of 43 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 Vigwaza : 36 espèces reliées par 43 interactions GloBI sur 3 types (connectance 4.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
43
Connectance
0.048
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

140 distinct species · 471 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

471 obs · 4 cellules
Obs. / cellule
≥ 402
402–401
40–401
40–39
< 40

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

Climate

Mean T°

25,9°C

Annual rain

1 018mm

Warmest m°

32,8°C

Coldest m°

19,7°C

Elevation: 50 m on average (min 9 m, max 100 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
1 018mm
Warmest month
32,8°C
Coldest month
19,7°C
Mean alt.
50m
Min
9m
Max
100m
Std. dev.
21m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

6,1

Org. C

11,2g/kg

Clay

22,0%

Sand

65,5%

Silt

12,4%

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

Dominant lithology: scGLiMaggregated to Bagamoyo

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
17,1g/kg
Clay
21,4%
Sand
66,1%
Silt
12,5%
5–15 cm
pH H₂O
6,2
Org. C
9,5g/kg
Clay
21,1%
Sand
66,4%
Silt
12,5%
15–30 cm
pH H₂O
6,1
Org. C
7,0g/kg
Clay
23,6%
Sand
64,1%
Silt
12,3%

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

Land cover

Forest21.4%
Crops24.7%
Built-up0.3%
Bare soil0.4%
Other (grassland, water…)53.3%

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

Hydrology8 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

47,2km

Basins crossed

8

Max stream order

5

Max drainage

16 324km²

Discharge in basins

69,8m³/s

Mean precip.

984mm/an

Mean T°

26,1°C

Moisture idx

-0,43

Mean runoff

118mm/an

Mean elev. (basins)

141m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

25,5%

Pesticides

0,0kg/km²

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