Ontologia

Commune · TZA

Biriri

Tanzania

AwTropical, savannah(52 %)

Species observed

15

Observations

20

Area

39km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 7 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 Biriri : 7 espèces reliées par 4 interactions GloBI sur 2 types (connectance 19.0%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
4
Connectance
0.191
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

15 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 1 cellules
Obs. / cellule
≥ 20
20–19
20–19
20–19
< 20

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

Climate

Mean T°

20,1°C

Annual rain

1 167mm

Warmest m°

27,0°C

Coldest m°

12,2°C

Elevation: 1 255 m on average (min 1 108 m, max 1 393 m)

Bioclimatic detailsExpert
Annual mean temp.
20,1°C
Annual rain
1 167mm
Warmest month
27,0°C
Coldest month
12,2°C
Mean alt.
1 255m
Min
1 108m
Max
1 393m
Std. dev.
76m
Köppen-Geiger (dominant)
AwTropical, savannah(52 %)Tropical

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

Soil & lithology

pH H₂O

6,6

Org. C

24,6g/kg

Clay

36,2%

Sand

40,2%

Silt

23,6%

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

Dominant lithology: suGLiMaggregated to Siha

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
30,8g/kg
Clay
36,1%
Sand
40,1%
Silt
23,8%
5–15 cm
pH H₂O
6,6
Org. C
23,9g/kg
Clay
36,1%
Sand
40,4%
Silt
23,5%
15–30 cm
pH H₂O
6,6
Org. C
19,1g/kg
Clay
36,3%
Sand
40,2%
Silt
23,5%

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

Land cover

Forest24.4%
Crops20.5%
Built-up1.9%
Bare soil0.8%
Other (grassland, water…)52.5%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,9km

Basins crossed

1

Max stream order

3

Max drainage

590km²

Discharge in basins

0,4m³/s

Mean precip.

1 100mm/an

Mean T°

18,9°C

Moisture idx

-0,27

Mean runoff

275mm/an

Mean elev. (basins)

1 443m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

187,7%

Pesticides

0,0kg/km²

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