Ontologia

Commune · TZA

Kerege

Tanzania

AwTropical, savannah(100 %)

Species observed

174

Observations

355

Area

91,6km²

Ecological tissue

Sample of 35 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 Kerege : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 5.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
32
Connectance
0.054
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

174 distinct species · 355 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

355 obs · 2 cellules
Obs. / cellule
≥ 261
261–260
261–260
261–260
< 261

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 237mm

Warmest m°

30,6°C

Coldest m°

21,3°C

Elevation: 37 m on average (min -14 m, max 84 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
1 237mm
Warmest month
30,6°C
Coldest month
21,3°C
Mean alt.
37m
Min
-14m
Max
84m
Std. dev.
23m
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

13,6g/kg

Clay

23,5%

Sand

64,9%

Silt

11,6%

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
19,3g/kg
Clay
23,0%
Sand
65,3%
Silt
11,7%
5–15 cm
pH H₂O
6,1
Org. C
11,6g/kg
Clay
23,7%
Sand
64,9%
Silt
11,4%
15–30 cm
pH H₂O
6,1
Org. C
9,9g/kg
Clay
23,8%
Sand
64,6%
Silt
11,5%

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

Land cover

Forest23.0%
Crops19.3%
Built-up3.2%
Bare soil1.8%
Other (grassland, water…)52.7%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

1 153km²

Discharge in basins

0,2m³/s

Mean precip.

1 012mm/an

Mean T°

25,4°C

Moisture idx

-0,38

Mean runoff

204mm/an

Mean elev. (basins)

139m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

2,9nW

Built-up

322,0%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Reported · 2

Mangrove

IUCN Not Reported

Forest Reserve

1 km²

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