Ontologia

Commune · TZA

Viwandani

Tanzania

BShArid, steppe, hot(100 %)

Species observed

333

Observations

1 301

Area

1,3km²

Ecological tissue

Sample of 43 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 Viwandani : 37 espèces reliées par 44 interactions GloBI sur 3 types (connectance 4.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
44
Connectance
0.046
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

333 distinct species · 1 301 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 301 obs · 1 cellules
Obs. / cellule
≥ 1 301
1 301–1 300
1 301–1 300
1 301–1 300
< 1 301

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

Climate

Mean T°

22,8°C

Annual rain

678mm

Warmest m°

30,7°C

Coldest m°

14,4°C

Elevation: 1 121 m on average (min 1 118 m, max 1 124 m)

Bioclimatic detailsExpert
Annual mean temp.
22,8°C
Annual rain
678mm
Warmest month
30,7°C
Coldest month
14,4°C
Mean alt.
1 121m
Min
1 118m
Max
1 124m
Std. dev.
3m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Land cover

Forest0.3%
Crops1.6%
Built-up31.3%
Bare soil0.1%
Other (grassland, water…)66.8%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,6km

Basins crossed

1

Max stream order

1

Max drainage

501km²

Discharge in basins

0,0m³/s

Mean precip.

611mm/an

Mean T°

22,5°C

Moisture idx

-0,66

Mean runoff

44mm/an

Mean elev. (basins)

1 109m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

41hab/km²

Night light

30,8nW

Built-up

3 124,7%

Pesticides

0,0kg/km²

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