Ontologia

Commune · TZA

Majengo

Tanzania

AwTropical, savannah(100 %)

Species observed

668

Observations

10 223

Area

26,6km²

Ecological tissue

Sample of 22 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 Majengo : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
17
Connectance
0.074
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

668 distinct species · 10 223 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 223 obs · 1 cellules
Obs. / cellule
≥ 10 223
10 223–10 222
10 223–10 222
10 223–10 222
< 10 223

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

Climate

Mean T°

22,5°C

Annual rain

835mm

Warmest m°

30,5°C

Coldest m°

14,2°C

Elevation: 1 086 m on average (min 965 m, max 1 422 m)

Bioclimatic detailsExpert
Annual mean temp.
22,5°C
Annual rain
835mm
Warmest month
30,5°C
Coldest month
14,2°C
Mean alt.
1 086m
Min
965m
Max
1 422m
Std. dev.
126m
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

7,0

Org. C

17,5g/kg

Clay

47,4%

Sand

23,3%

Silt

29,3%

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

Dominant lithology: suGLiMaggregated to Monduli

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
21,3g/kg
Clay
44,9%
Sand
23,8%
Silt
31,3%
5–15 cm
pH H₂O
7,0
Org. C
17,8g/kg
Clay
46,0%
Sand
24,4%
Silt
29,6%
15–30 cm
pH H₂O
7,0
Org. C
13,5g/kg
Clay
51,2%
Sand
21,7%
Silt
27,1%

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

Land cover

Forest24.0%
Crops29.5%
Built-up1.9%
Bare soil0.3%
Other (grassland, water…)44.2%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

10,5km

Basins crossed

1

Max stream order

3

Max drainage

1 231km²

Discharge in basins

0,1m³/s

Mean precip.

848mm/an

Mean T°

18,6°C

Moisture idx

-0,40

Mean runoff

91mm/an

Mean elev. (basins)

1 600m

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

Human pressure

Pop. density

4hab/km²

Night light

0,3nW

Built-up

192,5%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN II · 1

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