Ontologia

Commune · TZA

Rau

Tanzania

AwTropical, savannah(100 %)

Species observed

639

Observations

8 091

Area

3,8km²

Ecological tissue

Sample of 29 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 Rau : 27 espèces reliées par 26 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
26
Connectance
0.064
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

639 distinct species · 8 091 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 091 obs · 1 cellules
Obs. / cellule
≥ 8 091
8 091–8 090
8 091–8 090
8 091–8 090
< 8 091

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

1 203mm

Warmest m°

29,9°C

Coldest m°

14,7°C

Elevation: 885 m on average (min 823 m, max 991 m)

Bioclimatic detailsExpert
Annual mean temp.
22,8°C
Annual rain
1 203mm
Warmest month
29,9°C
Coldest month
14,7°C
Mean alt.
885m
Min
823m
Max
991m
Std. dev.
25m
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

6,4

Org. C

21,2g/kg

Clay

39,3%

Sand

37,4%

Silt

23,3%

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

Dominant lithology: suGLiMaggregated to Moshi Urban

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
26,8g/kg
Clay
37,8%
Sand
38,7%
Silt
23,4%
5–15 cm
pH H₂O
6,4
Org. C
22,1g/kg
Clay
38,3%
Sand
38,0%
Silt
23,7%
15–30 cm
pH H₂O
6,4
Org. C
14,7g/kg
Clay
41,8%
Sand
35,5%
Silt
22,7%

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

Land cover

Forest4.2%
Crops12.4%
Built-up20.1%
Bare soil0.0%
Other (grassland, water…)63.3%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

3,8km

Basins crossed

1

Max stream order

3

Max drainage

504km²

Discharge in basins

0,0m³/s

Mean precip.

1 185mm/an

Mean T°

17,8°C

Moisture idx

-0,17

Max snow

1%

Mean runoff

283mm/an

Mean elev. (basins)

1 704m

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

Human pressure

Pop. density

28hab/km²

Night light

3,7nW

Built-up

2 006,1%

Pesticides

0,0kg/km²

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