Ontologia

Commune · TZA

Segera

Tanzania

AwTropical, savannah(86 %)

Species observed

107

Observations

263

Area

203,6km²

Ecological tissue

Sample of 28 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 Segera : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 5 types (connectance 6.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
25
Connectance
0.066
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

107 distinct species · 263 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

263 obs · 4 cellules
Obs. / cellule
≥ 135
135–134
112–134
112–111
< 112

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

Climate

Mean T°

24,2°C

Annual rain

1 443mm

Warmest m°

32,5°C

Coldest m°

17,7°C

Elevation: 312 m on average (min 280 m, max 365 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
1 443mm
Warmest month
32,5°C
Coldest month
17,7°C
Mean alt.
312m
Min
280m
Max
365m
Std. dev.
20m
Köppen-Geiger (dominant)
AwTropical, savannah(86 %)Tropical

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

Soil & lithology

pH H₂O

5,9

Org. C

23,4g/kg

Clay

43,8%

Sand

36,0%

Silt

20,2%

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

Dominant lithology: ssGLiMaggregated to Handeni

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
36,9g/kg
Clay
41,6%
Sand
37,6%
Silt
20,8%
5–15 cm
pH H₂O
5,9
Org. C
19,4g/kg
Clay
42,4%
Sand
36,8%
Silt
20,8%
15–30 cm
pH H₂O
5,8
Org. C
14,0g/kg
Clay
47,5%
Sand
33,5%
Silt
19,0%

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

Land cover

Forest18.8%
Crops19.5%
Built-up0.6%
Bare soil0.3%
Other (grassland, water…)60.8%

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

Hydrology6 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

11,1km

Basins crossed

6

Max stream order

5

Max drainage

38 921km²

Discharge in basins

53,6m³/s

Mean precip.

1 076mm/an

Mean T°

24,1°C

Moisture idx

-0,36

Mean runoff

408mm/an

Mean elev. (basins)

366m

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

0,1nW

Built-up

57,4%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

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