Ontologia

Commune · TZA

Olorieni

Tanzania

CwbTemperate, dry winter, warm summer(75 %)

Species observed

757

Observations

63 274

Area

24,8km²

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 Olorieni : 12 espèces reliées par 13 interactions GloBI sur 3 types (connectance 14.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
13
Connectance
0.143
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

757 distinct species · 63 274 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

63 274 obs · 1 cellules
Obs. / cellule
≥ 63 274
63 274–63 273
63 274–63 273
63 274–63 273
< 63 274

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

Climate

Mean T°

18,8°C

Annual rain

921mm

Warmest m°

27,0°C

Coldest m°

10,6°C

Elevation: 1 482 m on average (min 1 405 m, max 1 602 m)

Bioclimatic detailsExpert
Annual mean temp.
18,8°C
Annual rain
921mm
Warmest month
27,0°C
Coldest month
10,6°C
Mean alt.
1 482m
Min
1 405m
Max
1 602m
Std. dev.
56m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(75 %)Temperate

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

Soil & lithology

pH H₂O

7,2

Org. C

19,9g/kg

Clay

24,1%

Sand

45,0%

Silt

30,9%

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

Dominant lithology: ssGLiMaggregated to Arusha

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
23,7g/kg
Clay
23,2%
Sand
45,9%
Silt
31,0%
5–15 cm
pH H₂O
7,2
Org. C
20,3g/kg
Clay
22,8%
Sand
46,0%
Silt
31,2%
15–30 cm
pH H₂O
7,2
Org. C
15,8g/kg
Clay
26,3%
Sand
43,3%
Silt
30,4%

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

Land cover

Forest17.9%
Crops14.6%
Built-up9.1%
Bare soil0.3%
Other (grassland, water…)58.3%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,7km

Basins crossed

2

Max stream order

3

Max drainage

4 710km²

Discharge in basins

0,2m³/s

Mean precip.

936mm/an

Mean T°

19,8°C

Moisture idx

-0,39

Mean runoff

180mm/an

Mean elev. (basins)

1 305m

Watersheds crossing here

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

Human pressure

Pop. density

10hab/km²

Night light

2,8nW

Built-up

908,2%

Pesticides

0,0kg/km²

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