Ontologia

Commune · TZA

Ngana

Tanzania

AwTropical, savannah(100 %)

Species observed

48

Observations

86

Area

65,7km²

Ecological tissue

Sample of 6 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 Ngana : 5 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

48 distinct species · 86 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

86 obs · 2 cellules
Obs. / cellule
≥ 83
83–82
83–82
83–82
< 83

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

Climate

Mean T°

23,0°C

Annual rain

1 863mm

Warmest m°

30,8°C

Coldest m°

14,9°C

Elevation: 575 m on average (min 527 m, max 747 m)

Bioclimatic detailsExpert
Annual mean temp.
23,0°C
Annual rain
1 863mm
Warmest month
30,8°C
Coldest month
14,9°C
Mean alt.
575m
Min
527m
Max
747m
Std. dev.
60m
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

5,5

Org. C

27,3g/kg

Clay

31,2%

Sand

48,6%

Silt

20,2%

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

Dominant lithology: ssGLiMaggregated to Kyela

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
38,4g/kg
Clay
30,8%
Sand
49,0%
Silt
20,2%
5–15 cm
pH H₂O
5,5
Org. C
25,3g/kg
Clay
30,9%
Sand
48,7%
Silt
20,4%
15–30 cm
pH H₂O
5,5
Org. C
18,1g/kg
Clay
32,0%
Sand
48,1%
Silt
20,0%

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

Land cover

Forest27.7%
Crops26.0%
Built-up0.7%
Bare soil0.8%
Other (grassland, water…)44.9%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

16,8km

Basins crossed

2

Max stream order

4

Max drainage

4 216km²

Discharge in basins

3,2m³/s

Mean precip.

1 940mm/an

Mean T°

22,8°C

Moisture idx

0,17

Mean runoff

347mm/an

Mean elev. (basins)

901m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

70,4%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

Mamboto

IUCN Not Reported

Forest Reserve · 1962

31 km²

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