Ontologia

Commune · TZA

Bigwa

Tanzania

AwTropical, savannah(100 %)

Species observed

348

Observations

730

Area

13,1km²

Ecological tissue

Sample of 13 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 Bigwa : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 3 types (connectance 14.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
11
Connectance
0.141
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

348 distinct species · 730 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

730 obs · 1 cellules
Obs. / cellule
≥ 730
730–729
730–729
730–729
< 730

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

Climate

Mean T°

23,4°C

Annual rain

952mm

Warmest m°

30,4°C

Coldest m°

16,4°C

Elevation: 585 m on average (min 479 m, max 1 063 m)

Bioclimatic detailsExpert
Annual mean temp.
23,4°C
Annual rain
952mm
Warmest month
30,4°C
Coldest month
16,4°C
Mean alt.
585m
Min
479m
Max
1 063m
Std. dev.
112m
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

17,7g/kg

Clay

40,2%

Sand

44,8%

Silt

15,0%

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

Dominant lithology: mtGLiMaggregated to Morogoro Urban

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
25,2g/kg
Clay
39,1%
Sand
45,7%
Silt
15,2%
5–15 cm
pH H₂O
6,1
Org. C
16,0g/kg
Clay
41,6%
Sand
43,8%
Silt
14,7%
15–30 cm
pH H₂O
6,1
Org. C
12,1g/kg
Clay
39,9%
Sand
45,0%
Silt
15,0%

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

Land cover

Forest19.9%
Crops26.3%
Built-up6.9%
Bare soil0.6%
Other (grassland, water…)46.3%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

817km²

Discharge in basins

0,0m³/s

Mean precip.

1 050mm/an

Mean T°

23,6°C

Moisture idx

-0,37

Mean runoff

127mm/an

Mean elev. (basins)

674m

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

Human pressure

Pop. density

9hab/km²

Night light

2,7nW

Built-up

685,9%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

Uluguru

IUCN Not Reported

Nature Forest Reserve · 2019

245 km²

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