Ontologia

Commune · TZA

Oldonyosambu

Tanzania

CwbTemperate, dry winter, warm summer(68 %)

Species observed

428

Observations

9 633

Area

216,3km²

Ecological tissue

Sample of 23 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 Oldonyosambu : 20 espèces reliées par 19 interactions GloBI sur 3 types (connectance 7.5%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
19
Connectance
0.075
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

428 distinct species · 9 633 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 633 obs · 4 cellules
Obs. / cellule
≥ 7 631
7 631–7 630
1 136–7 630
1 136–1 135
< 1 136

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

Climate

Mean T°

18,4°C

Annual rain

1 153mm

Warmest m°

26,0°C

Coldest m°

10,3°C

Elevation: 1 649 m on average (min 1 255 m, max 2 575 m)

Bioclimatic detailsExpert
Annual mean temp.
18,4°C
Annual rain
1 153mm
Warmest month
26,0°C
Coldest month
10,3°C
Mean alt.
1 649m
Min
1 255m
Max
2 575m
Std. dev.
250m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(68 %)Temperate

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

Soil & lithology

pH H₂O

7,4

Org. C

21,1g/kg

Clay

36,5%

Sand

43,0%

Silt

20,5%

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
7,4
Org. C
27,0g/kg
Clay
35,7%
Sand
43,6%
Silt
20,6%
5–15 cm
pH H₂O
7,4
Org. C
19,7g/kg
Clay
35,5%
Sand
43,7%
Silt
20,8%
15–30 cm
pH H₂O
7,5
Org. C
16,7g/kg
Clay
38,3%
Sand
41,8%
Silt
20,0%

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

Land cover

Forest9.8%
Crops32.9%
Built-up0.7%
Bare soil2.0%
Other (grassland, water…)54.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,8km

Basins crossed

2

Max stream order

1

Max drainage

4 552km²

Discharge in basins

0,9m³/s

Mean precip.

732mm/an

Mean T°

19,5°C

Moisture idx

-0,52

Mean runoff

134mm/an

Mean elev. (basins)

1 458m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

71,2%

Pesticides

0,0kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN II · 1

Enduimet WMA

IUCN Not Reported

Wildlife Management Area · 2007

1 388 km²

Meru

IUCN Not Reported

Forest Plantation · 1967

77 km²

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