Ontologia

District · TZA

Handeni

Tanzania

AwTropical, savannah(92 %)

Species observed

953

Observations

2 844

Area

6 528,7km²

Ecological tissue

Sample of 40 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 Handeni : 31 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 6.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
47
Connectance
0.060
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

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

Species present

953 distinct species · 2 844 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 844 obs · 95 cellules
Obs. / cellule
≥ 682
39–681
11–38
5–10
< 5

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

Climate

Mean T°

23,7°C

Annual rain

1 180mm

Warmest m°

31,6°C

Coldest m°

17,5°C

Elevation: 430 m on average (min 11 m, max 762 m)

Bioclimatic detailsExpert
Annual mean temp.
23,7°C
Annual rain
1 180mm
Warmest month
31,6°C
Coldest month
17,5°C
Mean alt.
430m
Min
11m
Max
762m
Std. dev.
160m
Köppen-Geiger (dominant)
AwTropical, savannah(92 %)Tropical

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

Soil & lithology

pH H₂O

6,2

Org. C

20,2g/kg

Clay

33,5%

Sand

46,4%

Silt

20,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
31,7g/kg
Clay
31,2%
Sand
48,2%
Silt
20,5%
5–15 cm
pH H₂O
6,2
Org. C
16,8g/kg
Clay
31,8%
Sand
47,5%
Silt
20,8%
15–30 cm
pH H₂O
6,2
Org. C
12,2g/kg
Clay
37,5%
Sand
43,5%
Silt
19,1%

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

Land cover

Forest27.7%
Crops16.1%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)55.8%

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

Hydrology16 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

17,2km

Lake surface here

0,10km²

Basins crossed

16

Max stream order

5

Max drainage

40 484km²

Discharge in basins

158,6m³/s

Mean precip.

988mm/an

Mean T°

23,7°C

Moisture idx

-0,42

Mean runoff

279mm/an

Mean elev. (basins)

452m

Watersheds crossing here

7 more basins

Lakes (1, top by area)

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

0,0nW

Built-up

21,6%

Pesticides

0,0kg/km²

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

Protected areas13

IUCN Not Reported · 13🌊 Marine · 1

Kitwai GCA

IUCN Not Reported

Game controlled area

4 389 km²

Handeni GCA

IUCN Not Reported

Game controlled area

2 049 km²

Uzigua

IUCN Not Reported

Nature Forest Reserve · 2021

251 km²

Msumbugwe

IUCN Not Reported

Forest Reserve · 1947

46 km²

Complete list

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

Sub-administrations20