Ontologia

District · TZA

Ngara

Tanzania

AwTropical, savannah(99 %)

Species observed

486

Observations

1 591

Area

3 247,2km²

Ecological tissue

Sample of 37 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 Ngara : 32 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
38
Connectance
0.057
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

486 distinct species · 1 591 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 591 obs · 52 cellules
Obs. / cellule
≥ 293
94–292
27–93
6–26
< 6

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

Climate

Mean T°

20,7°C

Annual rain

1 066mm

Warmest m°

27,3°C

Coldest m°

15,0°C

Elevation: 1 481 m on average (min 1 294 m, max 1 796 m)

Bioclimatic detailsExpert
Annual mean temp.
20,7°C
Annual rain
1 066mm
Warmest month
27,3°C
Coldest month
15,0°C
Mean alt.
1 481m
Min
1 294m
Max
1 796m
Std. dev.
87m
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

5,7

Org. C

25,4g/kg

Clay

35,1%

Sand

41,9%

Silt

23,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
34,1g/kg
Clay
34,2%
Sand
42,6%
Silt
23,1%
5–15 cm
pH H₂O
5,7
Org. C
24,7g/kg
Clay
34,0%
Sand
42,7%
Silt
23,3%
15–30 cm
pH H₂O
5,6
Org. C
17,3g/kg
Clay
37,0%
Sand
40,5%
Silt
22,5%

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

Land cover

Forest14.2%
Crops30.4%
Built-up0.6%
Bare soil0.3%
Other (grassland, water…)54.5%

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

Hydrology16 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

229,8km

Basins crossed

16

Max stream order

6

Max drainage

31 253km²

Discharge in basins

428,5m³/s

Mean precip.

925mm/an

Mean T°

20,1°C

Moisture idx

-0,41

Mean runoff

164mm/an

Mean elev. (basins)

1 474m

Watersheds crossing here

7 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

60,8%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN II · 1

Ruvubu

IUCN II

National Park · 1980

533 km²

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

Sub-administrations18