Ontologia

Commune · TZA

Vidunda

Tanzania

AwTropical, savannah(65 %)

Species observed

178

Observations

295

Area

269,6km²

Ecological tissue

Sample of 24 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 Vidunda : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
21
Connectance
0.076
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

178 distinct species · 295 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

295 obs · 8 cellules
Obs. / cellule
≥ 116
116–115
28–115
26–27
< 26

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

Climate

Mean T°

20,8°C

Annual rain

1 454mm

Warmest m°

27,6°C

Coldest m°

13,3°C

Elevation: 949 m on average (min 346 m, max 1 487 m)

Bioclimatic detailsExpert
Annual mean temp.
20,8°C
Annual rain
1 454mm
Warmest month
27,6°C
Coldest month
13,3°C
Mean alt.
949m
Min
346m
Max
1 487m
Std. dev.
258m
Köppen-Geiger (dominant)
AwTropical, savannah(65 %)Tropical

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

Soil & lithology

pH H₂O

5,6

Org. C

24,4g/kg

Clay

34,5%

Sand

46,5%

Silt

19,0%

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

Dominant lithology: mtGLiMaggregated to Kilosa

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
36,1g/kg
Clay
32,6%
Sand
48,2%
Silt
19,2%
5–15 cm
pH H₂O
5,6
Org. C
22,6g/kg
Clay
34,8%
Sand
46,4%
Silt
18,8%
15–30 cm
pH H₂O
5,5
Org. C
14,6g/kg
Clay
36,2%
Sand
44,9%
Silt
18,9%

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

Land cover

Forest37.7%
Crops25.5%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)36.4%

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

Hydrology3 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

26,2km

Lake surface here

4,83km²

Basins crossed

3

Max stream order

7

Max drainage

81 699km²

Discharge in basins

22,7m³/s

Mean precip.

1 258mm/an

Mean T°

21,9°C

Moisture idx

-0,14

Mean runoff

215mm/an

Mean elev. (basins)

915m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

24,9%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN II · 1IUCN Not Assigned · 1

Msimba

IUCN Not Assigned

Village Land Forest Reserve · 2019

264 km²

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