Ontologia

Commune · TZA

Zanka

Tanzania

BShArid, steppe, hot(53 %)

Species observed

84

Observations

734

Area

330,6km²

Ecological tissue

Sample of 32 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 Zanka : 25 espèces reliées par 42 interactions GloBI sur 4 types (connectance 8.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
42
Connectance
0.080
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

84 distinct species · 734 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

734 obs · 4 cellules
Obs. / cellule
≥ 621
621–620
55–620
55–54
< 55

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

Climate

Mean T°

21,7°C

Annual rain

811mm

Warmest m°

30,0°C

Coldest m°

13,1°C

Elevation: 1 208 m on average (min 1 090 m, max 1 714 m)

Bioclimatic detailsExpert
Annual mean temp.
21,7°C
Annual rain
811mm
Warmest month
30,0°C
Coldest month
13,1°C
Mean alt.
1 208m
Min
1 090m
Max
1 714m
Std. dev.
106m
Köppen-Geiger (dominant)
BShArid, steppe, hot(53 %)Arid

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

Soil & lithology

pH H₂O

6,0

Org. C

11,3g/kg

Clay

26,8%

Sand

60,5%

Silt

12,8%

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

Dominant lithology: suGLiMaggregated to Bahi

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
15,7g/kg
Clay
26,7%
Sand
60,6%
Silt
12,8%
5–15 cm
pH H₂O
6,0
Org. C
10,9g/kg
Clay
26,1%
Sand
60,9%
Silt
13,0%
15–30 cm
pH H₂O
6,0
Org. C
7,3g/kg
Clay
27,5%
Sand
60,0%
Silt
12,5%

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

Land cover

Forest12.2%
Crops38.7%
Built-up0.3%
Bare soil1.1%
Other (grassland, water…)47.6%

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

Hydrology6 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

6

Max drainage

1 827km²

Discharge in basins

0,5m³/s

Mean precip.

662mm/an

Mean T°

21,5°C

Moisture idx

-0,62

Mean runoff

44mm/an

Mean elev. (basins)

1 257m

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

32,0%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Reported · 2

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